/* * GLSL pixel and vertex shader implementation * * Copyright 2006 Jason Green * Copyright 2006-2007 Henri Verbeet * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ /* * D3D shader asm has swizzles on source parameters, and write masks for * destination parameters. GLSL uses swizzles for both. The result of this is * that for example "mov dst.xw, src.zyxw" becomes "dst.xw = src.zw" in GLSL. * Ie, to generate a proper GLSL source swizzle, we need to take the D3D write * mask for the destination parameter into account. */ #include "config.h" #include #include "wined3d_private.h" WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader); WINE_DECLARE_DEBUG_CHANNEL(d3d_constants); #define GLINFO_LOCATION (*gl_info) typedef struct { char reg_name[50]; char mask_str[6]; } glsl_dst_param_t; typedef struct { char reg_name[50]; char param_str[100]; } glsl_src_param_t; typedef struct { const char *name; DWORD coord_mask; } glsl_sample_function_t; /** Prints the GLSL info log which will contain error messages if they exist */ void print_glsl_info_log(WineD3D_GL_Info *gl_info, GLhandleARB obj) { int infologLength = 0; char *infoLog; GL_EXTCALL(glGetObjectParameterivARB(obj, GL_OBJECT_INFO_LOG_LENGTH_ARB, &infologLength)); /* A size of 1 is just a null-terminated string, so the log should be bigger than * that if there are errors. */ if (infologLength > 1) { infoLog = (char *)HeapAlloc(GetProcessHeap(), 0, infologLength); GL_EXTCALL(glGetInfoLogARB(obj, infologLength, NULL, infoLog)); FIXME("Error received from GLSL shader #%u: %s\n", obj, debugstr_a(infoLog)); HeapFree(GetProcessHeap(), 0, infoLog); } } /** * Loads (pixel shader) samplers */ static void shader_glsl_load_psamplers( WineD3D_GL_Info *gl_info, IWineD3DStateBlock* iface) { IWineD3DStateBlockImpl* stateBlock = (IWineD3DStateBlockImpl*) iface; GLhandleARB programId = stateBlock->glsl_program->programId; GLhandleARB name_loc; int i; char sampler_name[20]; for (i=0; i< GL_LIMITS(samplers); ++i) { if (stateBlock->textures[i] != NULL) { snprintf(sampler_name, sizeof(sampler_name), "Psampler%d", i); name_loc = GL_EXTCALL(glGetUniformLocationARB(programId, sampler_name)); if (name_loc != -1) { TRACE("Loading %s for texture %d\n", sampler_name, i); GL_EXTCALL(glUniform1iARB(name_loc, i)); checkGLcall("glUniform1iARB"); } } } } /** * Loads floating point constants (aka uniforms) into the currently set GLSL program. * When constant_list == NULL, it will load all the constants. */ static void shader_glsl_load_constantsF(IWineD3DBaseShaderImpl* This, WineD3D_GL_Info *gl_info, unsigned int max_constants, float* constants, GLhandleARB *constant_locations, struct list *constant_list) { constants_entry *constant; local_constant* lconst; GLhandleARB tmp_loc; DWORD i, j; DWORD *idx; if (TRACE_ON(d3d_shader)) { LIST_FOR_EACH_ENTRY(constant, constant_list, constants_entry, entry) { idx = constant->idx; j = constant->count; while (j--) { i = *idx++; tmp_loc = constant_locations[i]; if (tmp_loc != -1) { TRACE_(d3d_constants)("Loading constants %i: %f, %f, %f, %f\n", i, constants[i * 4 + 0], constants[i * 4 + 1], constants[i * 4 + 2], constants[i * 4 + 3]); } } } } LIST_FOR_EACH_ENTRY(constant, constant_list, constants_entry, entry) { idx = constant->idx; j = constant->count; while (j--) { i = *idx++; tmp_loc = constant_locations[i]; if (tmp_loc != -1) { /* We found this uniform name in the program - go ahead and send the data */ GL_EXTCALL(glUniform4fvARB(tmp_loc, 1, constants + (i * 4))); } } } checkGLcall("glUniform4fvARB()"); /* Load immediate constants */ if (TRACE_ON(d3d_shader)) { LIST_FOR_EACH_ENTRY(lconst, &This->baseShader.constantsF, local_constant, entry) { tmp_loc = constant_locations[lconst->idx]; if (tmp_loc != -1) { GLfloat* values = (GLfloat*)lconst->value; TRACE_(d3d_constants)("Loading local constants %i: %f, %f, %f, %f\n", lconst->idx, values[0], values[1], values[2], values[3]); } } } LIST_FOR_EACH_ENTRY(lconst, &This->baseShader.constantsF, local_constant, entry) { tmp_loc = constant_locations[lconst->idx]; if (tmp_loc != -1) { /* We found this uniform name in the program - go ahead and send the data */ GL_EXTCALL(glUniform4fvARB(tmp_loc, 1, (GLfloat*)lconst->value)); } } checkGLcall("glUniform4fvARB()"); } /** * Loads integer constants (aka uniforms) into the currently set GLSL program. * When @constants_set == NULL, it will load all the constants. */ static void shader_glsl_load_constantsI( IWineD3DBaseShaderImpl* This, WineD3D_GL_Info *gl_info, GLhandleARB programId, unsigned max_constants, int* constants, BOOL* constants_set) { GLhandleARB tmp_loc; int i; char tmp_name[8]; char is_pshader = shader_is_pshader_version(This->baseShader.hex_version); const char* prefix = is_pshader? "PI":"VI"; struct list* ptr; for (i=0; ibaseShader.constantsI); while (ptr) { local_constant* lconst = LIST_ENTRY(ptr, struct local_constant, entry); unsigned int idx = lconst->idx; GLint* values = (GLint*) lconst->value; TRACE_(d3d_constants)("Loading local constants %i: %i, %i, %i, %i\n", idx, values[0], values[1], values[2], values[3]); snprintf(tmp_name, sizeof(tmp_name), "%s[%i]", prefix, idx); tmp_loc = GL_EXTCALL(glGetUniformLocationARB(programId, tmp_name)); if (tmp_loc != -1) { /* We found this uniform name in the program - go ahead and send the data */ GL_EXTCALL(glUniform4ivARB(tmp_loc, 1, values)); checkGLcall("glUniform4ivARB"); } ptr = list_next(&This->baseShader.constantsI, ptr); } } /** * Loads boolean constants (aka uniforms) into the currently set GLSL program. * When @constants_set == NULL, it will load all the constants. */ static void shader_glsl_load_constantsB( IWineD3DBaseShaderImpl* This, WineD3D_GL_Info *gl_info, GLhandleARB programId, unsigned max_constants, BOOL* constants, BOOL* constants_set) { GLhandleARB tmp_loc; int i; char tmp_name[8]; char is_pshader = shader_is_pshader_version(This->baseShader.hex_version); const char* prefix = is_pshader? "PB":"VB"; struct list* ptr; for (i=0; ibaseShader.constantsB); while (ptr) { local_constant* lconst = LIST_ENTRY(ptr, struct local_constant, entry); unsigned int idx = lconst->idx; GLint* values = (GLint*) lconst->value; TRACE_(d3d_constants)("Loading local constants %i: %i\n", idx, values[0]); snprintf(tmp_name, sizeof(tmp_name), "%s[%i]", prefix, idx); tmp_loc = GL_EXTCALL(glGetUniformLocationARB(programId, tmp_name)); if (tmp_loc != -1) { /* We found this uniform name in the program - go ahead and send the data */ GL_EXTCALL(glUniform1ivARB(tmp_loc, 1, values)); checkGLcall("glUniform1ivARB"); } ptr = list_next(&This->baseShader.constantsB, ptr); } } /** * Loads the app-supplied constants into the currently set GLSL program. */ void shader_glsl_load_constants( IWineD3DDevice* device, char usePixelShader, char useVertexShader) { IWineD3DDeviceImpl* deviceImpl = (IWineD3DDeviceImpl*) device; IWineD3DStateBlockImpl* stateBlock = deviceImpl->stateBlock; WineD3D_GL_Info *gl_info = &((IWineD3DImpl*) deviceImpl->wineD3D)->gl_info; GLhandleARB *constant_locations; struct list *constant_list; GLhandleARB programId; GLint pos; if (!stateBlock->glsl_program) { /* No GLSL program set - nothing to do. */ return; } programId = stateBlock->glsl_program->programId; if (useVertexShader) { IWineD3DBaseShaderImpl* vshader = (IWineD3DBaseShaderImpl*) stateBlock->vertexShader; GLint pos; constant_locations = stateBlock->glsl_program->vuniformF_locations; constant_list = &stateBlock->set_vconstantsF; /* Load DirectX 9 float constants/uniforms for vertex shader */ shader_glsl_load_constantsF(vshader, gl_info, GL_LIMITS(vshader_constantsF), stateBlock->vertexShaderConstantF, constant_locations, constant_list); /* Load DirectX 9 integer constants/uniforms for vertex shader */ shader_glsl_load_constantsI(vshader, gl_info, programId, MAX_CONST_I, stateBlock->vertexShaderConstantI, stateBlock->set.vertexShaderConstantsI); /* Load DirectX 9 boolean constants/uniforms for vertex shader */ shader_glsl_load_constantsB(vshader, gl_info, programId, MAX_CONST_B, stateBlock->vertexShaderConstantB, stateBlock->set.vertexShaderConstantsB); /* Upload the position fixup params */ pos = GL_EXTCALL(glGetUniformLocationARB(programId, "posFixup")); checkGLcall("glGetUniformLocationARB"); GL_EXTCALL(glUniform4fvARB(pos, 1, &deviceImpl->posFixup[0])); checkGLcall("glUniform4fvARB"); } if (usePixelShader) { IWineD3DBaseShaderImpl* pshader = (IWineD3DBaseShaderImpl*) stateBlock->pixelShader; constant_locations = stateBlock->glsl_program->puniformF_locations; constant_list = &stateBlock->set_pconstantsF; /* Load pixel shader samplers */ shader_glsl_load_psamplers(gl_info, (IWineD3DStateBlock*) stateBlock); /* Load DirectX 9 float constants/uniforms for pixel shader */ shader_glsl_load_constantsF(pshader, gl_info, GL_LIMITS(pshader_constantsF), stateBlock->pixelShaderConstantF, constant_locations, constant_list); /* Load DirectX 9 integer constants/uniforms for pixel shader */ shader_glsl_load_constantsI(pshader, gl_info, programId, MAX_CONST_I, stateBlock->pixelShaderConstantI, stateBlock->set.pixelShaderConstantsI); /* Load DirectX 9 boolean constants/uniforms for pixel shader */ shader_glsl_load_constantsB(pshader, gl_info, programId, MAX_CONST_B, stateBlock->pixelShaderConstantB, stateBlock->set.pixelShaderConstantsB); /* Upload the environment bump map matrix if needed. The needsbumpmat member specifies the texture stage to load the matrix from. * It can't be 0 for a valid texbem instruction. */ if(((IWineD3DPixelShaderImpl *) pshader)->needsbumpmat != -1) { float *data = (float *) &stateBlock->textureState[(int) ((IWineD3DPixelShaderImpl *) pshader)->needsbumpmat][WINED3DTSS_BUMPENVMAT00]; pos = GL_EXTCALL(glGetUniformLocationARB(programId, "bumpenvmat")); checkGLcall("glGetUniformLocationARB"); GL_EXTCALL(glUniformMatrix2fvARB(pos, 1, 0, data)); checkGLcall("glUniform4fvARB"); } } } /** Generate the variable & register declarations for the GLSL output target */ void shader_generate_glsl_declarations( IWineD3DBaseShader *iface, shader_reg_maps* reg_maps, SHADER_BUFFER* buffer, WineD3D_GL_Info* gl_info) { IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface; int i; /* There are some minor differences between pixel and vertex shaders */ char pshader = shader_is_pshader_version(This->baseShader.hex_version); char prefix = pshader ? 'P' : 'V'; /* Prototype the subroutines */ for (i = 0; i < This->baseShader.limits.label; i++) { if (reg_maps->labels[i]) shader_addline(buffer, "void subroutine%lu();\n", i); } /* Declare the constants (aka uniforms) */ if (This->baseShader.limits.constant_float > 0) { unsigned max_constantsF = min(This->baseShader.limits.constant_float, (pshader ? GL_LIMITS(pshader_constantsF) : GL_LIMITS(vshader_constantsF))); shader_addline(buffer, "uniform vec4 %cC[%u];\n", prefix, max_constantsF); } if (This->baseShader.limits.constant_int > 0) shader_addline(buffer, "uniform ivec4 %cI[%u];\n", prefix, This->baseShader.limits.constant_int); if (This->baseShader.limits.constant_bool > 0) shader_addline(buffer, "uniform bool %cB[%u];\n", prefix, This->baseShader.limits.constant_bool); if(!pshader) shader_addline(buffer, "uniform vec4 posFixup;\n"); else if(reg_maps->bumpmat != -1) shader_addline(buffer, "uniform mat2 bumpenvmat;\n"); /* Declare texture samplers */ for (i = 0; i < This->baseShader.limits.sampler; i++) { if (reg_maps->samplers[i]) { DWORD stype = reg_maps->samplers[i] & WINED3DSP_TEXTURETYPE_MASK; switch (stype) { case WINED3DSTT_1D: shader_addline(buffer, "uniform sampler1D %csampler%lu;\n", prefix, i); break; case WINED3DSTT_2D: shader_addline(buffer, "uniform sampler2D %csampler%lu;\n", prefix, i); break; case WINED3DSTT_CUBE: shader_addline(buffer, "uniform samplerCube %csampler%lu;\n", prefix, i); break; case WINED3DSTT_VOLUME: shader_addline(buffer, "uniform sampler3D %csampler%lu;\n", prefix, i); break; default: shader_addline(buffer, "uniform unsupported_sampler %csampler%lu;\n", prefix, i); FIXME("Unrecognized sampler type: %#x\n", stype); break; } } } /* Declare address variables */ for (i = 0; i < This->baseShader.limits.address; i++) { if (reg_maps->address[i]) shader_addline(buffer, "ivec4 A%d;\n", i); } /* Declare texture coordinate temporaries and initialize them */ for (i = 0; i < This->baseShader.limits.texcoord; i++) { if (reg_maps->texcoord[i]) shader_addline(buffer, "vec4 T%lu = gl_TexCoord[%lu];\n", i, i); } /* Declare input register temporaries */ for (i=0; i < This->baseShader.limits.packed_input; i++) { if (reg_maps->packed_input[i]) shader_addline(buffer, "vec4 IN%lu;\n", i); } /* Declare output register temporaries */ for (i = 0; i < This->baseShader.limits.packed_output; i++) { if (reg_maps->packed_output[i]) shader_addline(buffer, "vec4 OUT%lu;\n", i); } /* Declare temporary variables */ for(i = 0; i < This->baseShader.limits.temporary; i++) { if (reg_maps->temporary[i]) shader_addline(buffer, "vec4 R%lu;\n", i); } /* Declare attributes */ for (i = 0; i < This->baseShader.limits.attributes; i++) { if (reg_maps->attributes[i]) shader_addline(buffer, "attribute vec4 attrib%i;\n", i); } /* Declare loop register aL */ if (reg_maps->loop) { shader_addline(buffer, "int aL;\n"); shader_addline(buffer, "int tmpInt;\n"); } /* Temporary variables for matrix operations */ shader_addline(buffer, "vec4 tmp0;\n"); shader_addline(buffer, "vec4 tmp1;\n"); /* Start the main program */ shader_addline(buffer, "void main() {\n"); } /***************************************************************************** * Functions to generate GLSL strings from DirectX Shader bytecode begin here. * * For more information, see http://wiki.winehq.org/DirectX-Shaders ****************************************************************************/ /* Prototypes */ static void shader_glsl_add_src_param(SHADER_OPCODE_ARG* arg, const DWORD param, const DWORD addr_token, DWORD mask, glsl_src_param_t *src_param); /** Used for opcode modifiers - They multiply the result by the specified amount */ static const char * const shift_glsl_tab[] = { "", /* 0 (none) */ "2.0 * ", /* 1 (x2) */ "4.0 * ", /* 2 (x4) */ "8.0 * ", /* 3 (x8) */ "16.0 * ", /* 4 (x16) */ "32.0 * ", /* 5 (x32) */ "", /* 6 (x64) */ "", /* 7 (x128) */ "", /* 8 (d256) */ "", /* 9 (d128) */ "", /* 10 (d64) */ "", /* 11 (d32) */ "0.0625 * ", /* 12 (d16) */ "0.125 * ", /* 13 (d8) */ "0.25 * ", /* 14 (d4) */ "0.5 * " /* 15 (d2) */ }; /* Generate a GLSL parameter that does the input modifier computation and return the input register/mask to use */ static void shader_glsl_gen_modifier ( const DWORD instr, const char *in_reg, const char *in_regswizzle, char *out_str) { out_str[0] = 0; if (instr == WINED3DSIO_TEXKILL) return; switch (instr & WINED3DSP_SRCMOD_MASK) { case WINED3DSPSM_DZ: /* Need to handle this in the instructions itself (texld & texcrd). */ case WINED3DSPSM_DW: case WINED3DSPSM_NONE: sprintf(out_str, "%s%s", in_reg, in_regswizzle); break; case WINED3DSPSM_NEG: sprintf(out_str, "-%s%s", in_reg, in_regswizzle); break; case WINED3DSPSM_NOT: sprintf(out_str, "!%s%s", in_reg, in_regswizzle); break; case WINED3DSPSM_BIAS: sprintf(out_str, "(%s%s - vec4(0.5)%s)", in_reg, in_regswizzle, in_regswizzle); break; case WINED3DSPSM_BIASNEG: sprintf(out_str, "-(%s%s - vec4(0.5)%s)", in_reg, in_regswizzle, in_regswizzle); break; case WINED3DSPSM_SIGN: sprintf(out_str, "(2.0 * (%s%s - 0.5))", in_reg, in_regswizzle); break; case WINED3DSPSM_SIGNNEG: sprintf(out_str, "-(2.0 * (%s%s - 0.5))", in_reg, in_regswizzle); break; case WINED3DSPSM_COMP: sprintf(out_str, "(1.0 - %s%s)", in_reg, in_regswizzle); break; case WINED3DSPSM_X2: sprintf(out_str, "(2.0 * %s%s)", in_reg, in_regswizzle); break; case WINED3DSPSM_X2NEG: sprintf(out_str, "-(2.0 * %s%s)", in_reg, in_regswizzle); break; case WINED3DSPSM_ABS: sprintf(out_str, "abs(%s%s)", in_reg, in_regswizzle); break; case WINED3DSPSM_ABSNEG: sprintf(out_str, "-abs(%s%s)", in_reg, in_regswizzle); break; default: FIXME("Unhandled modifier %u\n", (instr & WINED3DSP_SRCMOD_MASK)); sprintf(out_str, "%s%s", in_reg, in_regswizzle); } } /** Writes the GLSL variable name that corresponds to the register that the * DX opcode parameter is trying to access */ static void shader_glsl_get_register_name( const DWORD param, const DWORD addr_token, char* regstr, BOOL* is_color, SHADER_OPCODE_ARG* arg) { /* oPos, oFog and oPts in D3D */ static const char * const hwrastout_reg_names[] = { "gl_Position", "gl_FogFragCoord", "gl_PointSize" }; DWORD reg = param & WINED3DSP_REGNUM_MASK; DWORD regtype = shader_get_regtype(param); IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) arg->shader; IWineD3DDeviceImpl* deviceImpl = (IWineD3DDeviceImpl*) This->baseShader.device; WineD3D_GL_Info* gl_info = &((IWineD3DImpl*)deviceImpl->wineD3D)->gl_info; char pshader = shader_is_pshader_version(This->baseShader.hex_version); char tmpStr[50]; *is_color = FALSE; switch (regtype) { case WINED3DSPR_TEMP: sprintf(tmpStr, "R%u", reg); break; case WINED3DSPR_INPUT: if (pshader) { /* Pixel shaders >= 3.0 */ if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3) sprintf(tmpStr, "IN%u", reg); else { if (reg==0) strcpy(tmpStr, "gl_Color"); else strcpy(tmpStr, "gl_SecondaryColor"); } } else { if (vshader_input_is_color((IWineD3DVertexShader*) This, reg)) *is_color = TRUE; sprintf(tmpStr, "attrib%u", reg); } break; case WINED3DSPR_CONST: { const char* prefix = pshader? "PC":"VC"; /* Relative addressing */ if (param & WINED3DSHADER_ADDRMODE_RELATIVE) { /* Relative addressing on shaders 2.0+ have a relative address token, * prior to that, it was hard-coded as "A0.x" because there's only 1 register */ if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2) { glsl_src_param_t rel_param; shader_glsl_add_src_param(arg, addr_token, 0, WINED3DSP_WRITEMASK_0, &rel_param); sprintf(tmpStr, "%s[%s + %u]", prefix, rel_param.param_str, reg); } else sprintf(tmpStr, "%s[A0.x + %u]", prefix, reg); } else sprintf(tmpStr, "%s[%u]", prefix, reg); break; } case WINED3DSPR_CONSTINT: if (pshader) sprintf(tmpStr, "PI[%u]", reg); else sprintf(tmpStr, "VI[%u]", reg); break; case WINED3DSPR_CONSTBOOL: if (pshader) sprintf(tmpStr, "PB[%u]", reg); else sprintf(tmpStr, "VB[%u]", reg); break; case WINED3DSPR_TEXTURE: /* case WINED3DSPR_ADDR: */ if (pshader) { sprintf(tmpStr, "T%u", reg); } else { sprintf(tmpStr, "A%u", reg); } break; case WINED3DSPR_LOOP: sprintf(tmpStr, "aL"); break; case WINED3DSPR_SAMPLER: if (pshader) sprintf(tmpStr, "Psampler%u", reg); else sprintf(tmpStr, "Vsampler%u", reg); break; case WINED3DSPR_COLOROUT: if (reg >= GL_LIMITS(buffers)) { WARN("Write to render target %u, only %d supported\n", reg, 4); } if (GL_SUPPORT(ARB_DRAW_BUFFERS)) { sprintf(tmpStr, "gl_FragData[%u]", reg); } else { /* On older cards with GLSL support like the GeforceFX there's only one buffer. */ sprintf(tmpStr, "gl_FragColor"); } break; case WINED3DSPR_RASTOUT: sprintf(tmpStr, "%s", hwrastout_reg_names[reg]); break; case WINED3DSPR_DEPTHOUT: sprintf(tmpStr, "gl_FragDepth"); break; case WINED3DSPR_ATTROUT: if (reg == 0) { sprintf(tmpStr, "gl_FrontColor"); } else { sprintf(tmpStr, "gl_FrontSecondaryColor"); } break; case WINED3DSPR_TEXCRDOUT: /* Vertex shaders >= 3.0: WINED3DSPR_OUTPUT */ if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3) sprintf(tmpStr, "OUT%u", reg); else sprintf(tmpStr, "gl_TexCoord[%u]", reg); break; case WINED3DSPR_MISCTYPE: if (reg == 0) { /* vPos */ sprintf(tmpStr, "gl_FragCoord"); } else { /* gl_FrontFacing could be used for vFace, but note that * gl_FrontFacing is a bool, while vFace is a float for * which the sign determines front/back */ FIXME("Unhandled misctype register %d\n", reg); sprintf(tmpStr, "unrecognized_register"); } break; default: FIXME("Unhandled register name Type(%d)\n", regtype); sprintf(tmpStr, "unrecognized_register"); break; } strcat(regstr, tmpStr); } /* Get the GLSL write mask for the destination register */ static DWORD shader_glsl_get_write_mask(const DWORD param, char *write_mask) { char *ptr = write_mask; DWORD mask = param & WINED3DSP_WRITEMASK_ALL; if (shader_is_scalar(param)) { mask = WINED3DSP_WRITEMASK_0; } else { *ptr++ = '.'; if (param & WINED3DSP_WRITEMASK_0) *ptr++ = 'x'; if (param & WINED3DSP_WRITEMASK_1) *ptr++ = 'y'; if (param & WINED3DSP_WRITEMASK_2) *ptr++ = 'z'; if (param & WINED3DSP_WRITEMASK_3) *ptr++ = 'w'; } *ptr = '\0'; return mask; } static size_t shader_glsl_get_write_mask_size(DWORD write_mask) { size_t size = 0; if (write_mask & WINED3DSP_WRITEMASK_0) ++size; if (write_mask & WINED3DSP_WRITEMASK_1) ++size; if (write_mask & WINED3DSP_WRITEMASK_2) ++size; if (write_mask & WINED3DSP_WRITEMASK_3) ++size; return size; } static void shader_glsl_get_swizzle(const DWORD param, BOOL fixup, DWORD mask, char *swizzle_str) { /* For registers of type WINED3DDECLTYPE_D3DCOLOR, data is stored as "bgra", * but addressed as "rgba". To fix this we need to swap the register's x * and z components. */ DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT; const char *swizzle_chars = fixup ? "zyxw" : "xyzw"; char *ptr = swizzle_str; if (!shader_is_scalar(param)) { *ptr++ = '.'; /* swizzle bits fields: wwzzyyxx */ if (mask & WINED3DSP_WRITEMASK_0) *ptr++ = swizzle_chars[swizzle & 0x03]; if (mask & WINED3DSP_WRITEMASK_1) *ptr++ = swizzle_chars[(swizzle >> 2) & 0x03]; if (mask & WINED3DSP_WRITEMASK_2) *ptr++ = swizzle_chars[(swizzle >> 4) & 0x03]; if (mask & WINED3DSP_WRITEMASK_3) *ptr++ = swizzle_chars[(swizzle >> 6) & 0x03]; } *ptr = '\0'; } /* From a given parameter token, generate the corresponding GLSL string. * Also, return the actual register name and swizzle in case the * caller needs this information as well. */ static void shader_glsl_add_src_param(SHADER_OPCODE_ARG* arg, const DWORD param, const DWORD addr_token, DWORD mask, glsl_src_param_t *src_param) { BOOL is_color = FALSE; char swizzle_str[6]; src_param->reg_name[0] = '\0'; src_param->param_str[0] = '\0'; swizzle_str[0] = '\0'; shader_glsl_get_register_name(param, addr_token, src_param->reg_name, &is_color, arg); shader_glsl_get_swizzle(param, is_color, mask, swizzle_str); shader_glsl_gen_modifier(param, src_param->reg_name, swizzle_str, src_param->param_str); } /* From a given parameter token, generate the corresponding GLSL string. * Also, return the actual register name and swizzle in case the * caller needs this information as well. */ static DWORD shader_glsl_add_dst_param(SHADER_OPCODE_ARG* arg, const DWORD param, const DWORD addr_token, glsl_dst_param_t *dst_param) { BOOL is_color = FALSE; dst_param->mask_str[0] = '\0'; dst_param->reg_name[0] = '\0'; shader_glsl_get_register_name(param, addr_token, dst_param->reg_name, &is_color, arg); return shader_glsl_get_write_mask(param, dst_param->mask_str); } /* Append the destination part of the instruction to the buffer, return the effective write mask */ static DWORD shader_glsl_append_dst_ext(SHADER_BUFFER *buffer, SHADER_OPCODE_ARG *arg, const DWORD param) { glsl_dst_param_t dst_param; DWORD mask; int shift; mask = shader_glsl_add_dst_param(arg, param, arg->dst_addr, &dst_param); if(mask) { shift = (param & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT; shader_addline(buffer, "%s%s = %s(", dst_param.reg_name, dst_param.mask_str, shift_glsl_tab[shift]); } return mask; } /* Append the destination part of the instruction to the buffer, return the effective write mask */ static DWORD shader_glsl_append_dst(SHADER_BUFFER *buffer, SHADER_OPCODE_ARG *arg) { return shader_glsl_append_dst_ext(buffer, arg, arg->dst); } /** Process GLSL instruction modifiers */ void shader_glsl_add_instruction_modifiers(SHADER_OPCODE_ARG* arg) { DWORD mask = arg->dst & WINED3DSP_DSTMOD_MASK; if (arg->opcode->dst_token && mask != 0) { glsl_dst_param_t dst_param; shader_glsl_add_dst_param(arg, arg->dst, 0, &dst_param); if (mask & WINED3DSPDM_SATURATE) { /* _SAT means to clamp the value of the register to between 0 and 1 */ shader_addline(arg->buffer, "%s%s = clamp(%s%s, 0.0, 1.0);\n", dst_param.reg_name, dst_param.mask_str, dst_param.reg_name, dst_param.mask_str); } if (mask & WINED3DSPDM_MSAMPCENTROID) { FIXME("_centroid modifier not handled\n"); } if (mask & WINED3DSPDM_PARTIALPRECISION) { /* MSDN says this modifier can be safely ignored, so that's what we'll do. */ } } } static inline const char* shader_get_comp_op( const DWORD opcode) { DWORD op = (opcode & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT; switch (op) { case COMPARISON_GT: return ">"; case COMPARISON_EQ: return "=="; case COMPARISON_GE: return ">="; case COMPARISON_LT: return "<"; case COMPARISON_NE: return "!="; case COMPARISON_LE: return "<="; default: FIXME("Unrecognized comparison value: %u\n", op); return "(\?\?)"; } } static void shader_glsl_get_sample_function(DWORD sampler_type, BOOL projected, glsl_sample_function_t *sample_function) { /* Note that there's no such thing as a projected cube texture. */ switch(sampler_type) { case WINED3DSTT_1D: sample_function->name = projected ? "texture1DProj" : "texture1D"; sample_function->coord_mask = WINED3DSP_WRITEMASK_0; break; case WINED3DSTT_2D: sample_function->name = projected ? "texture2DProj" : "texture2D"; sample_function->coord_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1; break; case WINED3DSTT_CUBE: sample_function->name = "textureCube"; sample_function->coord_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; break; case WINED3DSTT_VOLUME: sample_function->name = projected ? "texture3DProj" : "texture3D"; sample_function->coord_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; break; default: sample_function->name = ""; FIXME("Unrecognized sampler type: %#x;\n", sampler_type); break; } } /***************************************************************************** * * Begin processing individual instruction opcodes * ****************************************************************************/ /* Generate GLSL arithmetic functions (dst = src1 + src2) */ void shader_glsl_arith(SHADER_OPCODE_ARG* arg) { CONST SHADER_OPCODE* curOpcode = arg->opcode; SHADER_BUFFER* buffer = arg->buffer; glsl_src_param_t src0_param; glsl_src_param_t src1_param; DWORD write_mask; char op; /* Determine the GLSL operator to use based on the opcode */ switch (curOpcode->opcode) { case WINED3DSIO_MUL: op = '*'; break; case WINED3DSIO_ADD: op = '+'; break; case WINED3DSIO_SUB: op = '-'; break; default: op = ' '; FIXME("Opcode %s not yet handled in GLSL\n", curOpcode->name); break; } write_mask = shader_glsl_append_dst(buffer, arg); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], write_mask, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], write_mask, &src1_param); shader_addline(buffer, "%s %c %s);\n", src0_param.param_str, op, src1_param.param_str); } /* Process the WINED3DSIO_MOV opcode using GLSL (dst = src) */ void shader_glsl_mov(SHADER_OPCODE_ARG* arg) { IWineD3DBaseShaderImpl* shader = (IWineD3DBaseShaderImpl*) arg->shader; SHADER_BUFFER* buffer = arg->buffer; glsl_src_param_t src0_param; DWORD write_mask; write_mask = shader_glsl_append_dst(buffer, arg); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], write_mask, &src0_param); /* In vs_1_1 WINED3DSIO_MOV can write to the address register. In later * shader versions WINED3DSIO_MOVA is used for this. */ if ((WINED3DSHADER_VERSION_MAJOR(shader->baseShader.hex_version) == 1 && !shader_is_pshader_version(shader->baseShader.hex_version) && shader_get_regtype(arg->dst) == WINED3DSPR_ADDR) || arg->opcode->opcode == WINED3DSIO_MOVA) { /* We need to *round* to the nearest int here. */ size_t mask_size = shader_glsl_get_write_mask_size(write_mask); if (mask_size > 1) { shader_addline(buffer, "ivec%d(floor(abs(%s) + vec%d(0.5)) * sign(%s)));\n", mask_size, src0_param.param_str, mask_size, src0_param.param_str); } else { shader_addline(buffer, "int(floor(abs(%s) + 0.5) * sign(%s)));\n", src0_param.param_str, src0_param.param_str); } } else { shader_addline(buffer, "%s);\n", src0_param.param_str); } } /* Process the dot product operators DP3 and DP4 in GLSL (dst = dot(src0, src1)) */ void shader_glsl_dot(SHADER_OPCODE_ARG* arg) { CONST SHADER_OPCODE* curOpcode = arg->opcode; SHADER_BUFFER* buffer = arg->buffer; glsl_src_param_t src0_param; glsl_src_param_t src1_param; DWORD dst_write_mask, src_write_mask; size_t dst_size = 0; dst_write_mask = shader_glsl_append_dst(buffer, arg); dst_size = shader_glsl_get_write_mask_size(dst_write_mask); /* dp3 works on vec3, dp4 on vec4 */ if (curOpcode->opcode == WINED3DSIO_DP4) { src_write_mask = WINED3DSP_WRITEMASK_ALL; } else { src_write_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; } shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], src_write_mask, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], src_write_mask, &src1_param); if (dst_size > 1) { shader_addline(buffer, "vec%d(dot(%s, %s)));\n", dst_size, src0_param.param_str, src1_param.param_str); } else { shader_addline(buffer, "dot(%s, %s));\n", src0_param.param_str, src1_param.param_str); } } /* Note that this instruction has some restrictions. The destination write mask * can't contain the w component, and the source swizzles have to be .xyzw */ void shader_glsl_cross(SHADER_OPCODE_ARG *arg) { DWORD src_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; glsl_src_param_t src0_param; glsl_src_param_t src1_param; char dst_mask[6]; shader_glsl_get_write_mask(arg->dst, dst_mask); shader_glsl_append_dst(arg->buffer, arg); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], src_mask, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], src_mask, &src1_param); shader_addline(arg->buffer, "cross(%s, %s).%s);\n", src0_param.param_str, src1_param.param_str, dst_mask); } /* Process the WINED3DSIO_POW instruction in GLSL (dst = |src0|^src1) * Src0 and src1 are scalars. Note that D3D uses the absolute of src0, while * GLSL uses the value as-is. */ void shader_glsl_pow(SHADER_OPCODE_ARG *arg) { SHADER_BUFFER *buffer = arg->buffer; glsl_src_param_t src0_param; glsl_src_param_t src1_param; DWORD dst_write_mask; size_t dst_size; dst_write_mask = shader_glsl_append_dst(buffer, arg); dst_size = shader_glsl_get_write_mask_size(dst_write_mask); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], WINED3DSP_WRITEMASK_0, &src1_param); if (dst_size > 1) { shader_addline(buffer, "vec%d(pow(abs(%s), %s)));\n", dst_size, src0_param.param_str, src1_param.param_str); } else { shader_addline(buffer, "pow(abs(%s), %s));\n", src0_param.param_str, src1_param.param_str); } } /* Map the opcode 1-to-1 to the GL code (arg->dst = instruction(src0, src1, ...) */ void shader_glsl_map2gl(SHADER_OPCODE_ARG* arg) { CONST SHADER_OPCODE* curOpcode = arg->opcode; SHADER_BUFFER* buffer = arg->buffer; glsl_src_param_t src_param; const char *instruction; char arguments[256]; DWORD write_mask; unsigned i; /* Determine the GLSL function to use based on the opcode */ /* TODO: Possibly make this a table for faster lookups */ switch (curOpcode->opcode) { case WINED3DSIO_MIN: instruction = "min"; break; case WINED3DSIO_MAX: instruction = "max"; break; case WINED3DSIO_RSQ: instruction = "inversesqrt"; break; case WINED3DSIO_ABS: instruction = "abs"; break; case WINED3DSIO_FRC: instruction = "fract"; break; case WINED3DSIO_NRM: instruction = "normalize"; break; case WINED3DSIO_LOGP: case WINED3DSIO_LOG: instruction = "log2"; break; case WINED3DSIO_EXP: instruction = "exp2"; break; case WINED3DSIO_SGN: instruction = "sign"; break; default: instruction = ""; FIXME("Opcode %s not yet handled in GLSL\n", curOpcode->name); break; } write_mask = shader_glsl_append_dst(buffer, arg); arguments[0] = '\0'; if (curOpcode->num_params > 0) { shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], write_mask, &src_param); strcat(arguments, src_param.param_str); for (i = 2; i < curOpcode->num_params; ++i) { strcat(arguments, ", "); shader_glsl_add_src_param(arg, arg->src[i-1], arg->src_addr[i-1], write_mask, &src_param); strcat(arguments, src_param.param_str); } } shader_addline(buffer, "%s(%s));\n", instruction, arguments); } /** Process the WINED3DSIO_EXPP instruction in GLSL: * For shader model 1.x, do the following (and honor the writemask, so use a temporary variable): * dst.x = 2^(floor(src)) * dst.y = src - floor(src) * dst.z = 2^src (partial precision is allowed, but optional) * dst.w = 1.0; * For 2.0 shaders, just do this (honoring writemask and swizzle): * dst = 2^src; (partial precision is allowed, but optional) */ void shader_glsl_expp(SHADER_OPCODE_ARG* arg) { IWineD3DBaseShaderImpl *shader = (IWineD3DBaseShaderImpl *)arg->shader; glsl_src_param_t src_param; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0, &src_param); if (shader->baseShader.hex_version < WINED3DPS_VERSION(2,0)) { char dst_mask[6]; shader_addline(arg->buffer, "tmp0.x = exp2(floor(%s));\n", src_param.param_str); shader_addline(arg->buffer, "tmp0.y = %s - floor(%s);\n", src_param.param_str, src_param.param_str); shader_addline(arg->buffer, "tmp0.z = exp2(%s);\n", src_param.param_str); shader_addline(arg->buffer, "tmp0.w = 1.0;\n"); shader_glsl_append_dst(arg->buffer, arg); shader_glsl_get_write_mask(arg->dst, dst_mask); shader_addline(arg->buffer, "tmp0%s);\n", dst_mask); } else { DWORD write_mask; size_t mask_size; write_mask = shader_glsl_append_dst(arg->buffer, arg); mask_size = shader_glsl_get_write_mask_size(write_mask); if (mask_size > 1) { shader_addline(arg->buffer, "vec%d(exp2(%s)));\n", mask_size, src_param.param_str); } else { shader_addline(arg->buffer, "exp2(%s));\n", src_param.param_str); } } } /** Process the RCP (reciprocal or inverse) opcode in GLSL (dst = 1 / src) */ void shader_glsl_rcp(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src_param; DWORD write_mask; size_t mask_size; write_mask = shader_glsl_append_dst(arg->buffer, arg); mask_size = shader_glsl_get_write_mask_size(write_mask); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0, &src_param); if (mask_size > 1) { shader_addline(arg->buffer, "vec%d(1.0 / %s));\n", mask_size, src_param.param_str); } else { shader_addline(arg->buffer, "1.0 / %s);\n", src_param.param_str); } } /** Process signed comparison opcodes in GLSL. */ void shader_glsl_compare(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; glsl_src_param_t src1_param; DWORD write_mask; size_t mask_size; write_mask = shader_glsl_append_dst(arg->buffer, arg); mask_size = shader_glsl_get_write_mask_size(write_mask); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], write_mask, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], write_mask, &src1_param); if (mask_size > 1) { const char *compare; switch(arg->opcode->opcode) { case WINED3DSIO_SLT: compare = "lessThan"; break; case WINED3DSIO_SGE: compare = "greaterThanEqual"; break; default: compare = ""; FIXME("Can't handle opcode %s\n", arg->opcode->name); } shader_addline(arg->buffer, "vec%d(%s(%s, %s)));\n", mask_size, compare, src0_param.param_str, src1_param.param_str); } else { const char *compare; switch(arg->opcode->opcode) { case WINED3DSIO_SLT: compare = "<"; break; case WINED3DSIO_SGE: compare = ">="; break; default: compare = ""; FIXME("Can't handle opcode %s\n", arg->opcode->name); } shader_addline(arg->buffer, "(%s %s %s) ? 1.0 : 0.0);\n", src0_param.param_str, compare, src1_param.param_str); } } /** Process CMP instruction in GLSL (dst = src0 >= 0.0 ? src1 : src2), per channel */ void shader_glsl_cmp(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; glsl_src_param_t src1_param; glsl_src_param_t src2_param; DWORD write_mask, cmp_channel = 0; unsigned int i, j; /* Cycle through all source0 channels */ for (i=0; i<4; i++) { write_mask = 0; /* Find the destination channels which use the current source0 channel */ for (j=0; j<4; j++) { if ( ((arg->src[0] >> (WINED3DSP_SWIZZLE_SHIFT + 2*j)) & 0x3) == i ) { write_mask |= WINED3DSP_WRITEMASK_0 << j; cmp_channel = WINED3DSP_WRITEMASK_0 << j; } } write_mask = shader_glsl_append_dst_ext(arg->buffer, arg, arg->dst & (~WINED3DSP_SWIZZLE_MASK | write_mask)); if (!write_mask) continue; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], cmp_channel, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], write_mask, &src1_param); shader_glsl_add_src_param(arg, arg->src[2], arg->src_addr[2], write_mask, &src2_param); shader_addline(arg->buffer, "%s >= 0.0 ? %s : %s);\n", src0_param.param_str, src1_param.param_str, src2_param.param_str); } } /** Process the CND opcode in GLSL (dst = (src0 > 0.5) ? src1 : src2) */ /* For ps 1.1-1.3, only a single component of src0 is used. For ps 1.4 * the compare is done per component of src0. */ void shader_glsl_cnd(SHADER_OPCODE_ARG* arg) { IWineD3DBaseShaderImpl* shader = (IWineD3DBaseShaderImpl*) arg->shader; glsl_src_param_t src0_param; glsl_src_param_t src1_param; glsl_src_param_t src2_param; DWORD write_mask, cmp_channel = 0; unsigned int i, j; if (shader->baseShader.hex_version < WINED3DPS_VERSION(1, 4)) { write_mask = shader_glsl_append_dst(arg->buffer, arg); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], write_mask, &src1_param); shader_glsl_add_src_param(arg, arg->src[2], arg->src_addr[2], write_mask, &src2_param); shader_addline(arg->buffer, "%s > 0.5 ? %s : %s);\n", src0_param.param_str, src1_param.param_str, src2_param.param_str); return; } /* Cycle through all source0 channels */ for (i=0; i<4; i++) { write_mask = 0; /* Find the destination channels which use the current source0 channel */ for (j=0; j<4; j++) { if ( ((arg->src[0] >> (WINED3DSP_SWIZZLE_SHIFT + 2*j)) & 0x3) == i ) { write_mask |= WINED3DSP_WRITEMASK_0 << j; cmp_channel = WINED3DSP_WRITEMASK_0 << j; } } write_mask = shader_glsl_append_dst_ext(arg->buffer, arg, arg->dst & (~WINED3DSP_SWIZZLE_MASK | write_mask)); if (!write_mask) continue; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], cmp_channel, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], write_mask, &src1_param); shader_glsl_add_src_param(arg, arg->src[2], arg->src_addr[2], write_mask, &src2_param); shader_addline(arg->buffer, "%s > 0.5 ? %s : %s);\n", src0_param.param_str, src1_param.param_str, src2_param.param_str); } } /** GLSL code generation for WINED3DSIO_MAD: Multiply the first 2 opcodes, then add the last */ void shader_glsl_mad(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; glsl_src_param_t src1_param; glsl_src_param_t src2_param; DWORD write_mask; write_mask = shader_glsl_append_dst(arg->buffer, arg); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], write_mask, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], write_mask, &src1_param); shader_glsl_add_src_param(arg, arg->src[2], arg->src_addr[2], write_mask, &src2_param); shader_addline(arg->buffer, "(%s * %s) + %s);\n", src0_param.param_str, src1_param.param_str, src2_param.param_str); } /** Handles transforming all WINED3DSIO_M?x? opcodes for Vertex shaders to GLSL codes */ void shader_glsl_mnxn(SHADER_OPCODE_ARG* arg) { int i; int nComponents = 0; SHADER_OPCODE_ARG tmpArg; memset(&tmpArg, 0, sizeof(SHADER_OPCODE_ARG)); /* Set constants for the temporary argument */ tmpArg.shader = arg->shader; tmpArg.buffer = arg->buffer; tmpArg.src[0] = arg->src[0]; tmpArg.src_addr[0] = arg->src_addr[0]; tmpArg.src_addr[1] = arg->src_addr[1]; tmpArg.reg_maps = arg->reg_maps; switch(arg->opcode->opcode) { case WINED3DSIO_M4x4: nComponents = 4; tmpArg.opcode = shader_get_opcode(arg->shader, WINED3DSIO_DP4); break; case WINED3DSIO_M4x3: nComponents = 3; tmpArg.opcode = shader_get_opcode(arg->shader, WINED3DSIO_DP4); break; case WINED3DSIO_M3x4: nComponents = 4; tmpArg.opcode = shader_get_opcode(arg->shader, WINED3DSIO_DP3); break; case WINED3DSIO_M3x3: nComponents = 3; tmpArg.opcode = shader_get_opcode(arg->shader, WINED3DSIO_DP3); break; case WINED3DSIO_M3x2: nComponents = 2; tmpArg.opcode = shader_get_opcode(arg->shader, WINED3DSIO_DP3); break; default: break; } for (i = 0; i < nComponents; i++) { tmpArg.dst = ((arg->dst) & ~WINED3DSP_WRITEMASK_ALL)|(WINED3DSP_WRITEMASK_0<src[1]+i; shader_glsl_dot(&tmpArg); } } /** The LRP instruction performs a component-wise linear interpolation between the second and third operands using the first operand as the blend factor. Equation: (dst = src2 + src0 * (src1 - src2)) This is equivalent to mix(src2, src1, src0); */ void shader_glsl_lrp(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; glsl_src_param_t src1_param; glsl_src_param_t src2_param; DWORD write_mask; write_mask = shader_glsl_append_dst(arg->buffer, arg); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], write_mask, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], write_mask, &src1_param); shader_glsl_add_src_param(arg, arg->src[2], arg->src_addr[2], write_mask, &src2_param); shader_addline(arg->buffer, "mix(%s, %s, %s));\n", src2_param.param_str, src1_param.param_str, src0_param.param_str); } /** Process the WINED3DSIO_LIT instruction in GLSL: * dst.x = dst.w = 1.0 * dst.y = (src0.x > 0) ? src0.x * dst.z = (src0.x > 0) ? ((src0.y > 0) ? pow(src0.y, src.w) : 0) : 0 * where src.w is clamped at +- 128 */ void shader_glsl_lit(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; glsl_src_param_t src1_param; glsl_src_param_t src3_param; char dst_mask[6]; shader_glsl_append_dst(arg->buffer, arg); shader_glsl_get_write_mask(arg->dst, dst_mask); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0, &src0_param); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_1, &src1_param); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_3, &src3_param); shader_addline(arg->buffer, "vec4(1.0, (%s > 0.0 ? %s : 0.0), (%s > 0.0 ? ((%s > 0.0) ? pow(%s, clamp(%s, -128.0, 128.0)) : 0.0) : 0.0), 1.0)%s);\n", src0_param.param_str, src0_param.param_str, src0_param.param_str, src1_param.param_str, src1_param.param_str, src3_param.param_str, dst_mask); } /** Process the WINED3DSIO_DST instruction in GLSL: * dst.x = 1.0 * dst.y = src0.x * src0.y * dst.z = src0.z * dst.w = src1.w */ void shader_glsl_dst(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0y_param; glsl_src_param_t src0z_param; glsl_src_param_t src1y_param; glsl_src_param_t src1w_param; char dst_mask[6]; shader_glsl_append_dst(arg->buffer, arg); shader_glsl_get_write_mask(arg->dst, dst_mask); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_1, &src0y_param); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_2, &src0z_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], WINED3DSP_WRITEMASK_1, &src1y_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], WINED3DSP_WRITEMASK_3, &src1w_param); shader_addline(arg->buffer, "vec4(1.0, %s * %s, %s, %s))%s;\n", src0y_param.param_str, src1y_param.param_str, src0z_param.param_str, src1w_param.param_str, dst_mask); } /** Process the WINED3DSIO_SINCOS instruction in GLSL: * VS 2.0 requires that specific cosine and sine constants be passed to this instruction so the hardware * can handle it. But, these functions are built-in for GLSL, so we can just ignore the last 2 params. * * dst.x = cos(src0.?) * dst.y = sin(src0.?) * dst.z = dst.z * dst.w = dst.w */ void shader_glsl_sincos(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; DWORD write_mask; write_mask = shader_glsl_append_dst(arg->buffer, arg); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0, &src0_param); switch (write_mask) { case WINED3DSP_WRITEMASK_0: shader_addline(arg->buffer, "cos(%s));\n", src0_param.param_str); break; case WINED3DSP_WRITEMASK_1: shader_addline(arg->buffer, "sin(%s));\n", src0_param.param_str); break; case (WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1): shader_addline(arg->buffer, "vec2(cos(%s), sin(%s)));\n", src0_param.param_str, src0_param.param_str); break; default: ERR("Write mask should be .x, .y or .xy\n"); break; } } /** Process the WINED3DSIO_LOOP instruction in GLSL: * Start a for() loop where src1.y is the initial value of aL, * increment aL by src1.z for a total of src1.x iterations. * Need to use a temporary variable for this operation. */ /* FIXME: I don't think nested loops will work correctly this way. */ void shader_glsl_loop(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src1_param; shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], WINED3DSP_WRITEMASK_ALL, &src1_param); shader_addline(arg->buffer, "for (tmpInt = 0, aL = %s.y; tmpInt < %s.x; tmpInt++, aL += %s.z) {\n", src1_param.reg_name, src1_param.reg_name, src1_param.reg_name); } void shader_glsl_end(SHADER_OPCODE_ARG* arg) { shader_addline(arg->buffer, "}\n"); } void shader_glsl_rep(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0, &src0_param); shader_addline(arg->buffer, "for (tmpInt = 0; tmpInt < %s; tmpInt++) {\n", src0_param.param_str); } void shader_glsl_if(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0, &src0_param); shader_addline(arg->buffer, "if (%s) {\n", src0_param.param_str); } void shader_glsl_ifc(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; glsl_src_param_t src1_param; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], WINED3DSP_WRITEMASK_0, &src1_param); shader_addline(arg->buffer, "if (%s %s %s) {\n", src0_param.param_str, shader_get_comp_op(arg->opcode_token), src1_param.param_str); } void shader_glsl_else(SHADER_OPCODE_ARG* arg) { shader_addline(arg->buffer, "} else {\n"); } void shader_glsl_break(SHADER_OPCODE_ARG* arg) { shader_addline(arg->buffer, "break;\n"); } /* FIXME: According to MSDN the compare is done per component. */ void shader_glsl_breakc(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; glsl_src_param_t src1_param; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], WINED3DSP_WRITEMASK_0, &src1_param); shader_addline(arg->buffer, "if (%s %s %s) break;\n", src0_param.param_str, shader_get_comp_op(arg->opcode_token), src1_param.param_str); } void shader_glsl_label(SHADER_OPCODE_ARG* arg) { DWORD snum = (arg->src[0]) & WINED3DSP_REGNUM_MASK; shader_addline(arg->buffer, "}\n"); shader_addline(arg->buffer, "void subroutine%lu () {\n", snum); } void shader_glsl_call(SHADER_OPCODE_ARG* arg) { DWORD snum = (arg->src[0]) & WINED3DSP_REGNUM_MASK; shader_addline(arg->buffer, "subroutine%lu();\n", snum); } void shader_glsl_callnz(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src1_param; DWORD snum = (arg->src[0]) & WINED3DSP_REGNUM_MASK; shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], WINED3DSP_WRITEMASK_0, &src1_param); shader_addline(arg->buffer, "if (%s) subroutine%lu();\n", src1_param.param_str, snum); } /********************************************* * Pixel Shader Specific Code begins here ********************************************/ void pshader_glsl_tex(SHADER_OPCODE_ARG* arg) { IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader; DWORD hex_version = This->baseShader.hex_version; char dst_swizzle[6]; glsl_sample_function_t sample_function; DWORD sampler_type; DWORD sampler_idx; BOOL projected; DWORD mask = 0; /* All versions have a destination register */ shader_glsl_append_dst(arg->buffer, arg); /* 1.0-1.4: Use destination register as sampler source. * 2.0+: Use provided sampler source. */ if (hex_version < WINED3DPS_VERSION(1,4)) { IWineD3DDeviceImpl* deviceImpl = (IWineD3DDeviceImpl*) This->baseShader.device; DWORD flags; sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK; flags = deviceImpl->stateBlock->textureState[sampler_idx][WINED3DTSS_TEXTURETRANSFORMFLAGS]; if (flags & WINED3DTTFF_PROJECTED) { projected = TRUE; switch (flags & ~WINED3DTTFF_PROJECTED) { case WINED3DTTFF_COUNT1: FIXME("WINED3DTTFF_PROJECTED with WINED3DTTFF_COUNT1?\n"); break; case WINED3DTTFF_COUNT2: mask = WINED3DSP_WRITEMASK_1; break; case WINED3DTTFF_COUNT3: mask = WINED3DSP_WRITEMASK_2; break; case WINED3DTTFF_COUNT4: case WINED3DTTFF_DISABLE: mask = WINED3DSP_WRITEMASK_3; break; } } else { projected = FALSE; } } else if (hex_version < WINED3DPS_VERSION(2,0)) { DWORD src_mod = arg->src[0] & WINED3DSP_SRCMOD_MASK; sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK; if (src_mod == WINED3DSPSM_DZ) { projected = TRUE; mask = WINED3DSP_WRITEMASK_2; } else if (src_mod == WINED3DSPSM_DW) { projected = TRUE; mask = WINED3DSP_WRITEMASK_3; } else { projected = FALSE; } } else { sampler_idx = arg->src[1] & WINED3DSP_REGNUM_MASK; if(arg->opcode_token & WINED3DSI_TEXLD_PROJECT) { /* ps 2.0 texldp instruction always divides by the fourth component. */ projected = TRUE; mask = WINED3DSP_WRITEMASK_3; } else { projected = FALSE; } } sampler_type = arg->reg_maps->samplers[sampler_idx] & WINED3DSP_TEXTURETYPE_MASK; shader_glsl_get_sample_function(sampler_type, projected, &sample_function); mask |= sample_function.coord_mask; if (hex_version < WINED3DPS_VERSION(2,0)) { shader_glsl_get_write_mask(arg->dst, dst_swizzle); } else { shader_glsl_get_swizzle(arg->src[1], FALSE, arg->dst, dst_swizzle); } /* 1.0-1.3: Use destination register as coordinate source. 1.4+: Use provided coordinate source register. */ if (hex_version < WINED3DPS_VERSION(1,4)) { char coord_mask[6]; shader_glsl_get_write_mask(mask, coord_mask); shader_addline(arg->buffer, "%s(Psampler%u, T%u%s)%s);\n", sample_function.name, sampler_idx, sampler_idx, coord_mask, dst_swizzle); } else { glsl_src_param_t coord_param; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], mask, &coord_param); shader_addline(arg->buffer, "%s(Psampler%u, %s)%s);\n", sample_function.name, sampler_idx, coord_param.param_str, dst_swizzle); } } void pshader_glsl_texcoord(SHADER_OPCODE_ARG* arg) { /* FIXME: Make this work for more than just 2D textures */ IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader; SHADER_BUFFER* buffer = arg->buffer; DWORD hex_version = This->baseShader.hex_version; DWORD write_mask; char dst_mask[6]; write_mask = shader_glsl_append_dst(arg->buffer, arg); shader_glsl_get_write_mask(write_mask, dst_mask); if (hex_version != WINED3DPS_VERSION(1,4)) { DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK; shader_addline(buffer, "clamp(gl_TexCoord[%u], 0.0, 1.0)%s);\n", reg, dst_mask); } else { DWORD reg = arg->src[0] & WINED3DSP_REGNUM_MASK; DWORD src_mod = arg->src[0] & WINED3DSP_SRCMOD_MASK; char dst_swizzle[6]; shader_glsl_get_swizzle(arg->src[0], FALSE, write_mask, dst_swizzle); if (src_mod == WINED3DSPSM_DZ) { glsl_src_param_t div_param; size_t mask_size = shader_glsl_get_write_mask_size(write_mask); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_2, &div_param); if (mask_size > 1) { shader_addline(buffer, "gl_TexCoord[%u]%s / vec%d(%s));\n", reg, dst_swizzle, mask_size, div_param.param_str); } else { shader_addline(buffer, "gl_TexCoord[%u]%s / %s);\n", reg, dst_swizzle, div_param.param_str); } } else if (src_mod == WINED3DSPSM_DW) { glsl_src_param_t div_param; size_t mask_size = shader_glsl_get_write_mask_size(write_mask); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_3, &div_param); if (mask_size > 1) { shader_addline(buffer, "gl_TexCoord[%u]%s / vec%d(%s));\n", reg, dst_swizzle, mask_size, div_param.param_str); } else { shader_addline(buffer, "gl_TexCoord[%u]%s / %s);\n", reg, dst_swizzle, div_param.param_str); } } else { shader_addline(buffer, "gl_TexCoord[%u]%s);\n", reg, dst_swizzle); } } } /** Process the WINED3DSIO_TEXDP3TEX instruction in GLSL: * Take a 3-component dot product of the TexCoord[dstreg] and src, * then perform a 1D texture lookup from stage dstregnum, place into dst. */ void pshader_glsl_texdp3tex(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; char dst_mask[6]; DWORD sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK; DWORD src_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], src_mask, &src0_param); shader_glsl_append_dst(arg->buffer, arg); shader_glsl_get_write_mask(arg->dst, dst_mask); shader_addline(arg->buffer, "texture1D(Psampler%u, dot(gl_TexCoord[%u].xyz, %s))%s);\n", sampler_idx, sampler_idx, src0_param.param_str, dst_mask); } /** Process the WINED3DSIO_TEXDP3 instruction in GLSL: * Take a 3-component dot product of the TexCoord[dstreg] and src. */ void pshader_glsl_texdp3(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; DWORD dstreg = arg->dst & WINED3DSP_REGNUM_MASK; DWORD src_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; DWORD dst_mask; size_t mask_size; dst_mask = shader_glsl_append_dst(arg->buffer, arg); mask_size = shader_glsl_get_write_mask_size(dst_mask); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], src_mask, &src0_param); if (mask_size > 1) { shader_addline(arg->buffer, "vec%d(dot(T%u.xyz, %s)));\n", mask_size, dstreg, src0_param.param_str); } else { shader_addline(arg->buffer, "dot(T%u.xyz, %s));\n", dstreg, src0_param.param_str); } } /** Process the WINED3DSIO_TEXDEPTH instruction in GLSL: * Calculate the depth as dst.x / dst.y */ void pshader_glsl_texdepth(SHADER_OPCODE_ARG* arg) { glsl_dst_param_t dst_param; shader_glsl_add_dst_param(arg, arg->dst, 0, &dst_param); shader_addline(arg->buffer, "gl_FragDepth = %s.x / %s.y;\n", dst_param.reg_name, dst_param.reg_name); } /** Process the WINED3DSIO_TEXM3X2DEPTH instruction in GLSL: * Last row of a 3x2 matrix multiply, use the result to calculate the depth: * Calculate tmp0.y = TexCoord[dstreg] . src.xyz; (tmp0.x has already been calculated) * depth = (tmp0.y == 0.0) ? 1.0 : tmp0.x / tmp0.y */ void pshader_glsl_texm3x2depth(SHADER_OPCODE_ARG* arg) { DWORD src_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; DWORD dstreg = arg->dst & WINED3DSP_REGNUM_MASK; glsl_src_param_t src0_param; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], src_mask, &src0_param); shader_addline(arg->buffer, "tmp0.y = dot(T%u.xyz, %s);\n", dstreg, src0_param.param_str); shader_addline(arg->buffer, "gl_FragDepth = (tmp0.y == 0.0) ? 1.0 : clamp(tmp0.x / tmp0.y, 0.0, 1.0);\n"); } /** Process the WINED3DSIO_TEXM3X2PAD instruction in GLSL * Calculate the 1st of a 2-row matrix multiplication. */ void pshader_glsl_texm3x2pad(SHADER_OPCODE_ARG* arg) { DWORD src_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK; SHADER_BUFFER* buffer = arg->buffer; glsl_src_param_t src0_param; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], src_mask, &src0_param); shader_addline(buffer, "tmp0.x = dot(T%u.xyz, %s);\n", reg, src0_param.param_str); } /** Process the WINED3DSIO_TEXM3X3PAD instruction in GLSL * Calculate the 1st or 2nd row of a 3-row matrix multiplication. */ void pshader_glsl_texm3x3pad(SHADER_OPCODE_ARG* arg) { IWineD3DPixelShaderImpl* shader = (IWineD3DPixelShaderImpl*) arg->shader; DWORD src_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK; SHADER_BUFFER* buffer = arg->buffer; SHADER_PARSE_STATE* current_state = &shader->baseShader.parse_state; glsl_src_param_t src0_param; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], src_mask, &src0_param); shader_addline(buffer, "tmp0.%c = dot(T%u.xyz, %s);\n", 'x' + current_state->current_row, reg, src0_param.param_str); current_state->texcoord_w[current_state->current_row++] = reg; } void pshader_glsl_texm3x2tex(SHADER_OPCODE_ARG* arg) { DWORD src_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK; SHADER_BUFFER* buffer = arg->buffer; glsl_src_param_t src0_param; char dst_mask[6]; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], src_mask, &src0_param); shader_addline(buffer, "tmp0.y = dot(T%u.xyz, %s);\n", reg, src0_param.param_str); shader_glsl_append_dst(buffer, arg); shader_glsl_get_write_mask(arg->dst, dst_mask); /* Sample the texture using the calculated coordinates */ shader_addline(buffer, "texture2D(Psampler%u, tmp0.xy)%s);\n", reg, dst_mask); } /** Process the WINED3DSIO_TEXM3X3TEX instruction in GLSL * Perform the 3rd row of a 3x3 matrix multiply, then sample the texture using the calculated coordinates */ void pshader_glsl_texm3x3tex(SHADER_OPCODE_ARG* arg) { DWORD src_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; glsl_src_param_t src0_param; char dst_mask[6]; DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK; IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader; SHADER_PARSE_STATE* current_state = &This->baseShader.parse_state; DWORD sampler_type = arg->reg_maps->samplers[reg] & WINED3DSP_TEXTURETYPE_MASK; glsl_sample_function_t sample_function; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], src_mask, &src0_param); shader_addline(arg->buffer, "tmp0.z = dot(T%u.xyz, %s);\n", reg, src0_param.param_str); shader_glsl_append_dst(arg->buffer, arg); shader_glsl_get_write_mask(arg->dst, dst_mask); shader_glsl_get_sample_function(sampler_type, FALSE, &sample_function); /* Sample the texture using the calculated coordinates */ shader_addline(arg->buffer, "%s(Psampler%u, tmp0.xyz)%s);\n", sample_function.name, reg, dst_mask); current_state->current_row = 0; } /** Process the WINED3DSIO_TEXM3X3 instruction in GLSL * Perform the 3rd row of a 3x3 matrix multiply */ void pshader_glsl_texm3x3(SHADER_OPCODE_ARG* arg) { DWORD src_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; glsl_src_param_t src0_param; char dst_mask[6]; DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK; IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader; SHADER_PARSE_STATE* current_state = &This->baseShader.parse_state; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], src_mask, &src0_param); shader_glsl_append_dst(arg->buffer, arg); shader_glsl_get_write_mask(arg->dst, dst_mask); shader_addline(arg->buffer, "vec4(tmp.xy, dot(T%u.xyz, %s), 1.0)%s);\n", reg, src0_param.param_str, dst_mask); current_state->current_row = 0; } /** Process the WINED3DSIO_TEXM3X3SPEC instruction in GLSL * Peform the final texture lookup based on the previous 2 3x3 matrix multiplies */ void pshader_glsl_texm3x3spec(SHADER_OPCODE_ARG* arg) { IWineD3DPixelShaderImpl* shader = (IWineD3DPixelShaderImpl*) arg->shader; DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK; glsl_src_param_t src0_param; glsl_src_param_t src1_param; char dst_mask[6]; SHADER_BUFFER* buffer = arg->buffer; SHADER_PARSE_STATE* current_state = &shader->baseShader.parse_state; DWORD stype = arg->reg_maps->samplers[reg] & WINED3DSP_TEXTURETYPE_MASK; DWORD src_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; glsl_sample_function_t sample_function; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], src_mask, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], src_mask, &src1_param); /* Perform the last matrix multiply operation */ shader_addline(buffer, "tmp0.z = dot(T%u.xyz, %s);\n", reg, src0_param.param_str); /* Calculate reflection vector, 2*(tmp0.src1)*tmp0-src1 * This is equivalent to reflect(-src1, tmp0); */ shader_addline(buffer, "tmp0.xyz = reflect(-(%s), tmp0.xyz);\n", src1_param.param_str); shader_glsl_append_dst(buffer, arg); shader_glsl_get_write_mask(arg->dst, dst_mask); shader_glsl_get_sample_function(stype, FALSE, &sample_function); /* Sample the texture */ shader_addline(buffer, "%s(Psampler%u, tmp0.xyz)%s);\n", sample_function.name, reg, dst_mask); current_state->current_row = 0; } /** Process the WINED3DSIO_TEXM3X3VSPEC instruction in GLSL * Peform the final texture lookup based on the previous 2 3x3 matrix multiplies */ void pshader_glsl_texm3x3vspec(SHADER_OPCODE_ARG* arg) { IWineD3DPixelShaderImpl* shader = (IWineD3DPixelShaderImpl*) arg->shader; DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK; SHADER_BUFFER* buffer = arg->buffer; SHADER_PARSE_STATE* current_state = &shader->baseShader.parse_state; glsl_src_param_t src0_param; char dst_mask[6]; DWORD src_mask = WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1 | WINED3DSP_WRITEMASK_2; DWORD sampler_type = arg->reg_maps->samplers[reg] & WINED3DSP_TEXTURETYPE_MASK; glsl_sample_function_t sample_function; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], src_mask, &src0_param); /* Perform the last matrix multiply operation */ shader_addline(buffer, "tmp0.z = dot(vec3(T%u), vec3(%s));\n", reg, src0_param.param_str); /* Construct the eye-ray vector from w coordinates */ shader_addline(buffer, "tmp1.xyz = normalize(vec3(gl_TexCoord[%u].w, gl_TexCoord[%u].w, gl_TexCoord[%u].w));\n", current_state->texcoord_w[0], current_state->texcoord_w[1], reg); /* Calculate reflection vector (Assume normal is normalized): RF = 2*(tmp0.tmp1)*tmp0-tmp1 * This is equivalent to reflect(-tmp1, tmp0); */ shader_addline(buffer, "tmp0.xyz = reflect(-tmp1.xyz, tmp0.xyz);\n"); shader_glsl_append_dst(buffer, arg); shader_glsl_get_write_mask(arg->dst, dst_mask); shader_glsl_get_sample_function(sampler_type, FALSE, &sample_function); /* Sample the texture using the calculated coordinates */ shader_addline(buffer, "%s(Psampler%u, tmp0.xyz)%s);\n", sample_function.name, reg, dst_mask); current_state->current_row = 0; } /** Process the WINED3DSIO_TEXBEM instruction in GLSL. * Apply a fake bump map transform. * texbem is pshader <= 1.3 only, this saves a few version checks */ void pshader_glsl_texbem(SHADER_OPCODE_ARG* arg) { IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader; IWineD3DDeviceImpl* deviceImpl = (IWineD3DDeviceImpl*) This->baseShader.device; char dst_swizzle[6]; glsl_sample_function_t sample_function; glsl_src_param_t coord_param; DWORD sampler_type; DWORD sampler_idx; DWORD mask; DWORD flags; char coord_mask[6]; sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK; flags = deviceImpl->stateBlock->textureState[sampler_idx][WINED3DTSS_TEXTURETRANSFORMFLAGS]; sampler_type = arg->reg_maps->samplers[sampler_idx] & WINED3DSP_TEXTURETYPE_MASK; shader_glsl_get_sample_function(sampler_type, FALSE, &sample_function); mask = sample_function.coord_mask; shader_glsl_get_write_mask(arg->dst, dst_swizzle); shader_glsl_get_write_mask(mask, coord_mask); /* with projective textures, texbem only divides the static texture coord, not the displacement, * so we can't let the GL handle this. */ if (flags & WINED3DTTFF_PROJECTED) { DWORD div_mask=0; char coord_div_mask[3]; switch (flags & ~WINED3DTTFF_PROJECTED) { case WINED3DTTFF_COUNT1: FIXME("WINED3DTTFF_PROJECTED with WINED3DTTFF_COUNT1?\n"); break; case WINED3DTTFF_COUNT2: div_mask = WINED3DSP_WRITEMASK_1; break; case WINED3DTTFF_COUNT3: div_mask = WINED3DSP_WRITEMASK_2; break; case WINED3DTTFF_COUNT4: case WINED3DTTFF_DISABLE: div_mask = WINED3DSP_WRITEMASK_3; break; } shader_glsl_get_write_mask(div_mask, coord_div_mask); shader_addline(arg->buffer, "T%u%s /= T%u%s;\n", sampler_idx, coord_mask, sampler_idx, coord_div_mask); } shader_glsl_append_dst(arg->buffer, arg); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0|WINED3DSP_WRITEMASK_1, &coord_param); shader_addline(arg->buffer, "%s(Psampler%u, T%u%s + vec4(bumpenvmat * %s, 0.0, 0.0)%s )%s);\n", sample_function.name, sampler_idx, sampler_idx, coord_mask, coord_param.param_str, coord_mask, dst_swizzle); } void pshader_glsl_bem(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param, src1_param; shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0|WINED3DSP_WRITEMASK_1, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], WINED3DSP_WRITEMASK_0|WINED3DSP_WRITEMASK_1, &src1_param); shader_glsl_append_dst(arg->buffer, arg); shader_addline(arg->buffer, "%s + bumpenvmat * %s);\n", src0_param.param_str, src1_param.param_str); } /** Process the WINED3DSIO_TEXREG2AR instruction in GLSL * Sample 2D texture at dst using the alpha & red (wx) components of src as texture coordinates */ void pshader_glsl_texreg2ar(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; DWORD sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK; char dst_mask[6]; shader_glsl_append_dst(arg->buffer, arg); shader_glsl_get_write_mask(arg->dst, dst_mask); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_ALL, &src0_param); shader_addline(arg->buffer, "texture2D(Psampler%u, %s.wx)%s);\n", sampler_idx, src0_param.reg_name, dst_mask); } /** Process the WINED3DSIO_TEXREG2GB instruction in GLSL * Sample 2D texture at dst using the green & blue (yz) components of src as texture coordinates */ void pshader_glsl_texreg2gb(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; DWORD sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK; char dst_mask[6]; shader_glsl_append_dst(arg->buffer, arg); shader_glsl_get_write_mask(arg->dst, dst_mask); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_ALL, &src0_param); shader_addline(arg->buffer, "texture2D(Psampler%u, %s.yz)%s);\n", sampler_idx, src0_param.reg_name, dst_mask); } /** Process the WINED3DSIO_TEXREG2RGB instruction in GLSL * Sample texture at dst using the rgb (xyz) components of src as texture coordinates */ void pshader_glsl_texreg2rgb(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; char dst_mask[6]; DWORD sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK; DWORD sampler_type = arg->reg_maps->samplers[sampler_idx] & WINED3DSP_TEXTURETYPE_MASK; glsl_sample_function_t sample_function; shader_glsl_append_dst(arg->buffer, arg); shader_glsl_get_write_mask(arg->dst, dst_mask); shader_glsl_get_sample_function(sampler_type, FALSE, &sample_function); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], sample_function.coord_mask, &src0_param); shader_addline(arg->buffer, "%s(Psampler%u, %s)%s);\n", sample_function.name, sampler_idx, src0_param.param_str, dst_mask); } /** Process the WINED3DSIO_TEXKILL instruction in GLSL. * If any of the first 3 components are < 0, discard this pixel */ void pshader_glsl_texkill(SHADER_OPCODE_ARG* arg) { glsl_dst_param_t dst_param; shader_glsl_add_dst_param(arg, arg->dst, 0, &dst_param); shader_addline(arg->buffer, "if (any(lessThan(%s.xyz, vec3(0.0)))) discard;\n", dst_param.reg_name); } /** Process the WINED3DSIO_DP2ADD instruction in GLSL. * dst = dot2(src0, src1) + src2 */ void pshader_glsl_dp2add(SHADER_OPCODE_ARG* arg) { glsl_src_param_t src0_param; glsl_src_param_t src1_param; glsl_src_param_t src2_param; DWORD write_mask; size_t mask_size; write_mask = shader_glsl_append_dst(arg->buffer, arg); mask_size = shader_glsl_get_write_mask_size(write_mask); shader_glsl_add_src_param(arg, arg->src[0], arg->src_addr[0], WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1, &src0_param); shader_glsl_add_src_param(arg, arg->src[1], arg->src_addr[1], WINED3DSP_WRITEMASK_0 | WINED3DSP_WRITEMASK_1, &src1_param); shader_glsl_add_src_param(arg, arg->src[2], arg->src_addr[2], WINED3DSP_WRITEMASK_0, &src2_param); shader_addline(arg->buffer, "dot(%s, %s) + %s);\n", src0_param.param_str, src1_param.param_str, src2_param.param_str); } void pshader_glsl_input_pack( SHADER_BUFFER* buffer, semantic* semantics_in) { unsigned int i; for (i = 0; i < MAX_REG_INPUT; i++) { DWORD usage_token = semantics_in[i].usage; DWORD register_token = semantics_in[i].reg; DWORD usage, usage_idx; char reg_mask[6]; /* Uninitialized */ if (!usage_token) continue; usage = (usage_token & WINED3DSP_DCL_USAGE_MASK) >> WINED3DSP_DCL_USAGE_SHIFT; usage_idx = (usage_token & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT; shader_glsl_get_write_mask(register_token, reg_mask); switch(usage) { case WINED3DDECLUSAGE_COLOR: if (usage_idx == 0) shader_addline(buffer, "IN%u%s = vec4(gl_Color)%s;\n", i, reg_mask, reg_mask); else if (usage_idx == 1) shader_addline(buffer, "IN%u%s = vec4(gl_SecondaryColor)%s;\n", i, reg_mask, reg_mask); else shader_addline(buffer, "IN%u%s = vec4(unsupported_color_input)%s;\n", i, reg_mask, reg_mask); break; case WINED3DDECLUSAGE_TEXCOORD: shader_addline(buffer, "IN%u%s = vec4(gl_TexCoord[%u])%s;\n", i, reg_mask, usage_idx, reg_mask ); break; case WINED3DDECLUSAGE_FOG: shader_addline(buffer, "IN%u%s = vec4(gl_FogFragCoord)%s;\n", i, reg_mask, reg_mask); break; default: shader_addline(buffer, "IN%u%s = vec4(unsupported_input)%s;\n", i, reg_mask, reg_mask); } } } /********************************************* * Vertex Shader Specific Code begins here ********************************************/ void vshader_glsl_output_unpack( SHADER_BUFFER* buffer, semantic* semantics_out) { unsigned int i; for (i = 0; i < MAX_REG_OUTPUT; i++) { DWORD usage_token = semantics_out[i].usage; DWORD register_token = semantics_out[i].reg; DWORD usage, usage_idx; char reg_mask[6]; /* Uninitialized */ if (!usage_token) continue; usage = (usage_token & WINED3DSP_DCL_USAGE_MASK) >> WINED3DSP_DCL_USAGE_SHIFT; usage_idx = (usage_token & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT; shader_glsl_get_write_mask(register_token, reg_mask); switch(usage) { case WINED3DDECLUSAGE_COLOR: if (usage_idx == 0) shader_addline(buffer, "gl_FrontColor%s = OUT%u%s;\n", reg_mask, i, reg_mask); else if (usage_idx == 1) shader_addline(buffer, "gl_FrontSecondaryColor%s = OUT%u%s;\n", reg_mask, i, reg_mask); else shader_addline(buffer, "unsupported_color_output%s = OUT%u%s;\n", reg_mask, i, reg_mask); break; case WINED3DDECLUSAGE_POSITION: shader_addline(buffer, "gl_Position%s = OUT%u%s;\n", reg_mask, i, reg_mask); break; case WINED3DDECLUSAGE_TEXCOORD: shader_addline(buffer, "gl_TexCoord[%u]%s = OUT%u%s;\n", usage_idx, reg_mask, i, reg_mask); break; case WINED3DDECLUSAGE_PSIZE: shader_addline(buffer, "gl_PointSize = OUT%u.x;\n", i); break; case WINED3DDECLUSAGE_FOG: shader_addline(buffer, "gl_FogFragCoord = OUT%u%s;\n", i, reg_mask); break; default: shader_addline(buffer, "unsupported_output%s = OUT%u%s;\n", reg_mask, i, reg_mask); } } } static void add_glsl_program_entry(IWineD3DDeviceImpl *device, struct glsl_shader_prog_link *entry) { glsl_program_key_t *key; key = HeapAlloc(GetProcessHeap(), 0, sizeof(glsl_program_key_t)); key->vshader = entry->vshader; key->pshader = entry->pshader; hash_table_put(device->glsl_program_lookup, key, entry); } static struct glsl_shader_prog_link *get_glsl_program_entry(IWineD3DDeviceImpl *device, GLhandleARB vshader, GLhandleARB pshader) { glsl_program_key_t key; key.vshader = vshader; key.pshader = pshader; return (struct glsl_shader_prog_link *)hash_table_get(device->glsl_program_lookup, &key); } void delete_glsl_program_entry(IWineD3DDevice *iface, struct glsl_shader_prog_link *entry) { IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface; WineD3D_GL_Info *gl_info = &((IWineD3DImpl *)(This->wineD3D))->gl_info; glsl_program_key_t *key; key = HeapAlloc(GetProcessHeap(), 0, sizeof(glsl_program_key_t)); key->vshader = entry->vshader; key->pshader = entry->pshader; hash_table_remove(This->glsl_program_lookup, key); GL_EXTCALL(glDeleteObjectARB(entry->programId)); if (entry->vshader) list_remove(&entry->vshader_entry); if (entry->pshader) list_remove(&entry->pshader_entry); HeapFree(GetProcessHeap(), 0, entry->vuniformF_locations); HeapFree(GetProcessHeap(), 0, entry->puniformF_locations); HeapFree(GetProcessHeap(), 0, entry); } /** Sets the GLSL program ID for the given pixel and vertex shader combination. * It sets the programId on the current StateBlock (because it should be called * inside of the DrawPrimitive() part of the render loop). * * If a program for the given combination does not exist, create one, and store * the program in the hash table. If it creates a program, it will link the * given objects, too. */ static void set_glsl_shader_program(IWineD3DDevice *iface, BOOL use_ps, BOOL use_vs) { IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface; WineD3D_GL_Info *gl_info = &((IWineD3DImpl *)(This->wineD3D))->gl_info; IWineD3DPixelShader *pshader = This->stateBlock->pixelShader; IWineD3DVertexShader *vshader = This->stateBlock->vertexShader; struct glsl_shader_prog_link *entry = NULL; GLhandleARB programId = 0; int i; char glsl_name[8]; GLhandleARB vshader_id = use_vs ? ((IWineD3DBaseShaderImpl*)vshader)->baseShader.prgId : 0; GLhandleARB pshader_id = use_ps ? ((IWineD3DBaseShaderImpl*)pshader)->baseShader.prgId : 0; entry = get_glsl_program_entry(This, vshader_id, pshader_id); if (entry) { This->stateBlock->glsl_program = entry; return; } /* If we get to this point, then no matching program exists, so we create one */ programId = GL_EXTCALL(glCreateProgramObjectARB()); TRACE("Created new GLSL shader program %u\n", programId); /* Create the entry */ entry = HeapAlloc(GetProcessHeap(), 0, sizeof(struct glsl_shader_prog_link)); entry->programId = programId; entry->vshader = vshader_id; entry->pshader = pshader_id; /* Add the hash table entry */ add_glsl_program_entry(This, entry); /* Set the current program */ This->stateBlock->glsl_program = entry; /* Attach GLSL vshader */ if (vshader_id) { int max_attribs = 16; /* TODO: Will this always be the case? It is at the moment... */ char tmp_name[10]; TRACE("Attaching GLSL shader object %u to program %u\n", vshader_id, programId); GL_EXTCALL(glAttachObjectARB(programId, vshader_id)); checkGLcall("glAttachObjectARB"); /* Bind vertex attributes to a corresponding index number to match * the same index numbers as ARB_vertex_programs (makes loading * vertex attributes simpler). With this method, we can use the * exact same code to load the attributes later for both ARB and * GLSL shaders. * * We have to do this here because we need to know the Program ID * in order to make the bindings work, and it has to be done prior * to linking the GLSL program. */ for (i = 0; i < max_attribs; ++i) { snprintf(tmp_name, sizeof(tmp_name), "attrib%i", i); GL_EXTCALL(glBindAttribLocationARB(programId, i, tmp_name)); } checkGLcall("glBindAttribLocationARB"); list_add_head(&((IWineD3DBaseShaderImpl *)vshader)->baseShader.linked_programs, &entry->vshader_entry); } /* Attach GLSL pshader */ if (pshader_id) { TRACE("Attaching GLSL shader object %u to program %u\n", pshader_id, programId); GL_EXTCALL(glAttachObjectARB(programId, pshader_id)); checkGLcall("glAttachObjectARB"); list_add_head(&((IWineD3DBaseShaderImpl *)pshader)->baseShader.linked_programs, &entry->pshader_entry); } /* Link the program */ TRACE("Linking GLSL shader program %u\n", programId); GL_EXTCALL(glLinkProgramARB(programId)); print_glsl_info_log(&GLINFO_LOCATION, programId); entry->vuniformF_locations = HeapAlloc(GetProcessHeap(), 0, sizeof(GLhandleARB) * GL_LIMITS(vshader_constantsF)); for (i = 0; i < GL_LIMITS(vshader_constantsF); ++i) { snprintf(glsl_name, sizeof(glsl_name), "VC[%i]", i); entry->vuniformF_locations[i] = GL_EXTCALL(glGetUniformLocationARB(programId, glsl_name)); } entry->puniformF_locations = HeapAlloc(GetProcessHeap(), 0, sizeof(GLhandleARB) * GL_LIMITS(pshader_constantsF)); for (i = 0; i < GL_LIMITS(pshader_constantsF); ++i) { snprintf(glsl_name, sizeof(glsl_name), "PC[%i]", i); entry->puniformF_locations[i] = GL_EXTCALL(glGetUniformLocationARB(programId, glsl_name)); } } static GLhandleARB create_glsl_blt_shader(WineD3D_GL_Info *gl_info) { GLhandleARB program_id; GLhandleARB vshader_id, pshader_id; const char *blt_vshader[] = { "void main(void)\n" "{\n" " gl_Position = gl_Vertex;\n" " gl_FrontColor = vec4(1.0);\n" " gl_TexCoord[0].x = (gl_Vertex.x * 0.5) + 0.5;\n" " gl_TexCoord[0].y = (-gl_Vertex.y * 0.5) + 0.5;\n" "}\n" }; const char *blt_pshader[] = { "uniform sampler2D sampler;\n" "void main(void)\n" "{\n" " gl_FragDepth = texture2D(sampler, gl_TexCoord[0].xy).x;\n" "}\n" }; vshader_id = GL_EXTCALL(glCreateShaderObjectARB(GL_VERTEX_SHADER_ARB)); GL_EXTCALL(glShaderSourceARB(vshader_id, 1, blt_vshader, NULL)); GL_EXTCALL(glCompileShaderARB(vshader_id)); pshader_id = GL_EXTCALL(glCreateShaderObjectARB(GL_FRAGMENT_SHADER_ARB)); GL_EXTCALL(glShaderSourceARB(pshader_id, 1, blt_pshader, NULL)); GL_EXTCALL(glCompileShaderARB(pshader_id)); program_id = GL_EXTCALL(glCreateProgramObjectARB()); GL_EXTCALL(glAttachObjectARB(program_id, vshader_id)); GL_EXTCALL(glAttachObjectARB(program_id, pshader_id)); GL_EXTCALL(glLinkProgramARB(program_id)); print_glsl_info_log(&GLINFO_LOCATION, program_id); return program_id; } static void shader_glsl_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) { IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface; WineD3D_GL_Info *gl_info = &((IWineD3DImpl *)(This->wineD3D))->gl_info; GLhandleARB program_id = 0; if (useVS || usePS) set_glsl_shader_program(iface, usePS, useVS); else This->stateBlock->glsl_program = NULL; program_id = This->stateBlock->glsl_program ? This->stateBlock->glsl_program->programId : 0; if (program_id) TRACE("Using GLSL program %u\n", program_id); GL_EXTCALL(glUseProgramObjectARB(program_id)); checkGLcall("glUseProgramObjectARB"); } static void shader_glsl_select_depth_blt(IWineD3DDevice *iface) { IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface; WineD3D_GL_Info *gl_info = &((IWineD3DImpl *)(This->wineD3D))->gl_info; static GLhandleARB program_id = 0; static GLhandleARB loc = -1; if (!program_id) { program_id = create_glsl_blt_shader(gl_info); loc = GL_EXTCALL(glGetUniformLocationARB(program_id, "sampler")); } GL_EXTCALL(glUseProgramObjectARB(program_id)); GL_EXTCALL(glUniform1iARB(loc, 0)); } static void shader_glsl_cleanup(IWineD3DDevice *iface) { IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface; WineD3D_GL_Info *gl_info = &((IWineD3DImpl *)(This->wineD3D))->gl_info; GL_EXTCALL(glUseProgramObjectARB(0)); } const shader_backend_t glsl_shader_backend = { &shader_glsl_select, &shader_glsl_select_depth_blt, &shader_glsl_load_constants, &shader_glsl_cleanup };