| /* |
| * GLSL pixel and vertex shader implementation |
| * |
| * Copyright 2006 Jason Green |
| * |
| * 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 |
| */ |
| |
| #include "config.h" |
| #include <stdio.h> |
| #include "wined3d_private.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader); |
| |
| #define GLINFO_LOCATION (*gl_info) |
| |
| /** 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)); |
| TRACE("Error received from GLSL shader #%u: %s\n", obj, debugstr_a(infoLog)); |
| HeapFree(GetProcessHeap(), 0, infoLog); |
| } |
| } |
| |
| /***************************************************************************** |
| * Functions to generate GLSL strings from DirectX Shader bytecode begin here. |
| * |
| * For more information, see http://wiki.winehq.org/DirectX-Shaders |
| ****************************************************************************/ |
| |
| /* Prototypes */ |
| void shader_glsl_add_param( |
| SHADER_OPCODE_ARG* arg, |
| const DWORD param, |
| const DWORD addr_token, |
| BOOL is_input, |
| char *reg_name, |
| char *reg_mask, |
| char *out_str); |
| |
| /** Used for opcode modifiers - They multiply the result by the specified amount */ |
| static const char* 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) */ |
| }; |
| |
| /** Print the beginning of the generated GLSL string. example: "reg_name.xyzw = vec4(" */ |
| void shader_glsl_add_dst(DWORD param, const char* reg_name, const char* reg_mask, char* outStr) { |
| |
| int shift = (param & D3DSP_DSTSHIFT_MASK) >> D3DSP_DSTSHIFT_SHIFT; |
| |
| /* TODO: determine if destination is anything other than a float vector and accommodate*/ |
| if (reg_name[0] == 'A') |
| sprintf(outStr, "%s%s = %sivec4(", reg_name, reg_mask, shift_glsl_tab[shift]); |
| else |
| sprintf(outStr, "%s%s = %svec4(", reg_name, reg_mask, shift_glsl_tab[shift]); |
| |
| } |
| |
| /* Generate a GLSL parameter that does the input modifier computation and return the input register/mask to use */ |
| void shader_glsl_gen_modifier ( |
| const DWORD instr, |
| const char *in_reg, |
| const char *in_regswizzle, |
| char *out_str) { |
| |
| out_str[0] = 0; |
| |
| switch (instr & D3DSP_SRCMOD_MASK) { |
| case D3DSPSM_NONE: |
| sprintf(out_str, "%s%s", in_reg, in_regswizzle); |
| break; |
| case D3DSPSM_NEG: |
| sprintf(out_str, "-%s%s", in_reg, in_regswizzle); |
| break; |
| case D3DSPSM_BIAS: |
| sprintf(out_str, "(%s%s - vec4(0.5)%s)", in_reg, in_regswizzle, in_regswizzle); |
| break; |
| case D3DSPSM_BIASNEG: |
| sprintf(out_str, "-(%s%s - vec4(0.5)%s)", in_reg, in_regswizzle, in_regswizzle); |
| break; |
| case D3DSPSM_SIGN: |
| sprintf(out_str, "(2.0 * (%s%s - 0.5))", in_reg, in_regswizzle); |
| break; |
| case D3DSPSM_SIGNNEG: |
| sprintf(out_str, "-(2.0 * (%s%s - 0.5))", in_reg, in_regswizzle); |
| break; |
| case D3DSPSM_COMP: |
| sprintf(out_str, "(1.0 - %s%s)", in_reg, in_regswizzle); |
| break; |
| case D3DSPSM_X2: |
| sprintf(out_str, "(2.0 * %s%s)", in_reg, in_regswizzle); |
| break; |
| case D3DSPSM_X2NEG: |
| sprintf(out_str, "-(2.0 * %s%s)", in_reg, in_regswizzle); |
| break; |
| case D3DSPSM_DZ: /* reg1_db = { reg1.r/b, reg1.g/b, ...} The g & a components are undefined, so we'll leave them alone */ |
| sprintf(out_str, "vec4(%s.r / %s.b, %s.g / %s.b, %s.b, %s.a)", in_reg, in_reg, in_reg, in_reg, in_reg, in_reg); |
| break; |
| case D3DSPSM_DW: |
| sprintf(out_str, "vec4(%s.r / %s.a, %s.g / %s.a, %s.b, %s.a)", in_reg, in_reg, in_reg, in_reg, in_reg, in_reg); |
| break; |
| case D3DSPSM_ABS: |
| sprintf(out_str, "abs(%s%s)", in_reg, in_regswizzle); |
| break; |
| case D3DSPSM_ABSNEG: |
| sprintf(out_str, "-abs(%s%s)", in_reg, in_regswizzle); |
| break; |
| default: |
| FIXME("Unhandled modifier %lu\n", (instr & D3DSP_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 */ |
| 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 */ |
| const char* hwrastout_reg_names[] = { "gl_Position", "gl_FogCoord", "gl_PointSize" }; |
| |
| DWORD reg = param & D3DSP_REGNUM_MASK; |
| DWORD regtype = shader_get_regtype(param); |
| IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) arg->shader; |
| BOOL pshader = shader_is_pshader_version(This->baseShader.hex_version); |
| char tmpStr[50]; |
| |
| switch (regtype) { |
| case D3DSPR_TEMP: |
| sprintf(tmpStr, "R%lu", reg); |
| break; |
| case D3DSPR_INPUT: |
| if (pshader) { |
| if (reg==0) { |
| strcpy(tmpStr, "gl_Color"); |
| } else { |
| strcpy(tmpStr, "gl_SecondaryColor"); |
| } |
| } else { |
| IWineD3DVertexShaderImpl *vshader = (IWineD3DVertexShaderImpl*) arg->shader; |
| if (reg == vshader->arrayUsageMap[WINED3DSHADERDECLUSAGE_DIFFUSE] |
| || reg == vshader->arrayUsageMap[WINED3DSHADERDECLUSAGE_SPECULAR]) { |
| (*is_color) = TRUE; |
| } |
| /* if the attributes come in as named dcl's then use a named vertex (called namedVertexN) */ |
| if (vshader->namedArrays) { |
| sprintf(tmpStr, "namedVertex%lu", reg); |
| } else { |
| /* otherwise the input is on a numbered attribute so use opengl numbered attributes */ |
| sprintf(tmpStr, "attrib%lu", reg); |
| } |
| } |
| break; |
| case D3DSPR_CONST: |
| if (arg->reg_maps->constantsF[reg]) { |
| /* Use a local constant declared by "dcl" */ |
| |
| if (param & D3DVS_ADDRMODE_RELATIVE) { |
| /* FIXME: Copy all constants (local & global) into a single array |
| * to handle this case where we want a relative address from a |
| * local constant. */ |
| FIXME("Relative addressing not yet supported on named constants\n"); |
| } else { |
| sprintf(tmpStr, "C%lu", reg); |
| } |
| } else { |
| /* Use a global constant declared in Set____ShaderConstantF() */ |
| if (param & D3DVS_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 (This->baseShader.version >= 20) { |
| char relStr[100], relReg[50], relMask[6]; |
| shader_glsl_add_param(arg, addr_token, 0, TRUE, relReg, relMask, relStr); |
| sprintf(tmpStr, "C[%s + %lu]", relStr, reg); |
| } else { |
| sprintf(tmpStr, "C[A0.x + %lu]", reg); |
| } |
| } else { |
| /* Just a normal global constant - no relative addressing */ |
| sprintf(tmpStr, "C[%lu]", reg); |
| } |
| } |
| break; |
| case D3DSPR_TEXTURE: /* case D3DSPR_ADDR: */ |
| if (pshader) { |
| sprintf(tmpStr, "T%lu", reg); |
| } else { |
| sprintf(tmpStr, "A%lu", reg); |
| } |
| break; |
| case D3DSPR_SAMPLER: |
| sprintf(tmpStr, "mytex%lu", reg); |
| break; |
| case D3DSPR_COLOROUT: |
| if (reg == 0) |
| sprintf(tmpStr, "gl_FragColor"); |
| else { |
| /* TODO: See GL_ARB_draw_buffers */ |
| FIXME("Unsupported write to render target %lu\n", reg); |
| sprintf(tmpStr, "unsupported_register"); |
| } |
| break; |
| case D3DSPR_RASTOUT: |
| sprintf(tmpStr, "%s", hwrastout_reg_names[reg]); |
| break; |
| case D3DSPR_DEPTHOUT: |
| sprintf(tmpStr, "gl_FragDepth"); |
| break; |
| case D3DSPR_ATTROUT: |
| if (reg == 0) { |
| sprintf(tmpStr, "gl_FrontColor"); |
| } else { |
| sprintf(tmpStr, "gl_FrontSecondaryColor"); |
| } |
| break; |
| case D3DSPR_TEXCRDOUT: |
| sprintf(tmpStr, "gl_TexCoord[%lu]", reg); |
| break; |
| default: |
| FIXME("Unhandled register name Type(%ld)\n", regtype); |
| sprintf(tmpStr, "unrecognized_register"); |
| break; |
| } |
| |
| strcat(regstr, tmpStr); |
| } |
| |
| /* Writes the GLSL writemask for the destination register */ |
| void shader_glsl_get_output_register_swizzle( |
| IWineD3DBaseShader *shader, |
| const DWORD param, |
| char *write_mask) { |
| |
| IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl*) shader; |
| BOOL pshader = shader_is_pshader_version(This->baseShader.hex_version); |
| |
| *write_mask = 0; |
| if ((param & D3DSP_WRITEMASK_ALL) != D3DSP_WRITEMASK_ALL) { |
| strcat(write_mask, "."); |
| if (param & D3DSP_WRITEMASK_0) strcat(write_mask, pshader ? "r" : "x"); |
| if (param & D3DSP_WRITEMASK_1) strcat(write_mask, pshader ? "g" : "y"); |
| if (param & D3DSP_WRITEMASK_2) strcat(write_mask, pshader ? "b" : "z"); |
| if (param & D3DSP_WRITEMASK_3) strcat(write_mask, pshader ? "a" : "w"); |
| } |
| } |
| |
| void shader_glsl_get_input_register_swizzle( |
| IWineD3DBaseShader *shader, |
| const DWORD param, |
| BOOL is_color, |
| char *reg_mask) { |
| |
| IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl*) shader; |
| BOOL pshader = shader_is_pshader_version(This->baseShader.hex_version); |
| |
| char swizzle_reg_chars_color_fix[5]; |
| char swizzle_reg_chars[5]; |
| const char* swizzle_regs = NULL; |
| |
| /** operand input */ |
| DWORD swizzle = (param & D3DVS_SWIZZLE_MASK) >> D3DVS_SWIZZLE_SHIFT; |
| DWORD swizzle_x = swizzle & 0x03; |
| DWORD swizzle_y = (swizzle >> 2) & 0x03; |
| DWORD swizzle_z = (swizzle >> 4) & 0x03; |
| DWORD swizzle_w = (swizzle >> 6) & 0x03; |
| |
| strcpy(swizzle_reg_chars_color_fix, pshader ? "bgra" : "zyxw"); |
| strcpy(swizzle_reg_chars, pshader ? "rgba" : "xyzw"); |
| |
| if (is_color) { |
| swizzle_regs = swizzle_reg_chars_color_fix; |
| } else { |
| swizzle_regs = swizzle_reg_chars; |
| } |
| |
| /** |
| * swizzle bits fields: |
| * WWZZYYXX |
| */ |
| if ((D3DVS_NOSWIZZLE >> D3DVS_SWIZZLE_SHIFT) == swizzle) { /* D3DVS_NOSWIZZLE == 0xE4 << D3DVS_SWIZZLE_SHIFT */ |
| if (is_color) { |
| sprintf(reg_mask, ".%c%c%c%c", |
| swizzle_regs[swizzle_x], |
| swizzle_regs[swizzle_y], |
| swizzle_regs[swizzle_z], |
| swizzle_regs[swizzle_w]); |
| } |
| return ; |
| } |
| if (swizzle_x == swizzle_y && |
| swizzle_x == swizzle_z && |
| swizzle_x == swizzle_w) |
| { |
| sprintf(reg_mask, ".%c", swizzle_regs[swizzle_x]); |
| } else { |
| sprintf(reg_mask, ".%c%c%c%c", |
| swizzle_regs[swizzle_x], |
| swizzle_regs[swizzle_y], |
| swizzle_regs[swizzle_z], |
| swizzle_regs[swizzle_w]); |
| } |
| } |
| |
| /** 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. */ |
| void shader_glsl_add_param( |
| SHADER_OPCODE_ARG* arg, |
| const DWORD param, |
| const DWORD addr_token, |
| BOOL is_input, |
| char *reg_name, |
| char *reg_mask, |
| char *out_str) { |
| |
| BOOL is_color = FALSE; |
| reg_mask[0] = reg_name[0] = out_str[0] = 0; |
| |
| shader_glsl_get_register_name(param, addr_token, reg_name, &is_color, arg); |
| |
| if (is_input) { |
| shader_glsl_get_input_register_swizzle(arg->shader, param, is_color, reg_mask); |
| shader_glsl_gen_modifier(param, reg_name, reg_mask, out_str); |
| } else { |
| shader_glsl_get_output_register_swizzle(arg->shader, param, reg_mask); |
| sprintf(out_str, "%s%s", reg_name, reg_mask); |
| } |
| } |
| |
| /** Process GLSL instruction modifiers */ |
| void shader_glsl_add_instruction_modifiers(SHADER_OPCODE_ARG* arg) { |
| |
| if (0 != (arg->dst & D3DSP_DSTMOD_MASK)) { |
| DWORD mask = arg->dst & D3DSP_DSTMOD_MASK; |
| char dst_reg[50]; |
| char dst_mask[6]; |
| char dst_str[100]; |
| |
| shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str); |
| |
| if (mask & D3DSPDM_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_reg, dst_mask, dst_reg, dst_mask); |
| } |
| if (mask & D3DSPDM_MSAMPCENTROID) { |
| FIXME("_centroid modifier not handled\n"); |
| } |
| if (mask & D3DSPDM_PARTIALPRECISION) { |
| /* MSDN says this modifier can be safely ignored, so that's what we'll do. */ |
| } |
| } |
| } |
| |
| /***************************************************************************** |
| * |
| * Begin processing individual instruction opcodes |
| * |
| ****************************************************************************/ |
| |
| /* Generate GLSL arithmatic functions (dst = src1 + src2) */ |
| void shader_glsl_arith(SHADER_OPCODE_ARG* arg) { |
| |
| CONST SHADER_OPCODE* curOpcode = arg->opcode; |
| SHADER_BUFFER* buffer = arg->buffer; |
| char tmpLine[256]; |
| char dst_reg[50], src0_reg[50], src1_reg[50]; |
| char dst_mask[6], src0_mask[6], src1_mask[6]; |
| char dst_str[100], src0_str[100], src1_str[100]; |
| |
| shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str); |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str); |
| shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str); |
| shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine); |
| strcat(tmpLine, src0_str); |
| |
| /* Determine the GLSL operator to use based on the opcode */ |
| switch (curOpcode->opcode) { |
| case D3DSIO_MUL: strcat(tmpLine, " * "); break; |
| case D3DSIO_ADD: strcat(tmpLine, " + "); break; |
| case D3DSIO_SUB: strcat(tmpLine, " - "); break; |
| default: |
| FIXME("Opcode %s not yet handled in GLSL\n", curOpcode->name); |
| break; |
| } |
| shader_addline(buffer, "%s%s)%s;\n", tmpLine, src1_str, dst_mask); |
| } |
| |
| /* Process the D3DSIO_MOV opcode using GLSL (dst = src) */ |
| void shader_glsl_mov(SHADER_OPCODE_ARG* arg) { |
| |
| SHADER_BUFFER* buffer = arg->buffer; |
| char tmpLine[256]; |
| char dst_str[100], src0_str[100]; |
| char dst_reg[50], src0_reg[50]; |
| char dst_mask[6], src0_mask[6]; |
| |
| shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str); |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str); |
| shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine); |
| shader_addline(buffer, "%s%s)%s;\n", tmpLine, src0_str, dst_mask); |
| } |
| |
| /* 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; |
| char tmpDest[100]; |
| char dst_str[100], src0_str[100], src1_str[100]; |
| char dst_reg[50], src0_reg[50], src1_reg[50]; |
| char dst_mask[6], src0_mask[6], src1_mask[6]; |
| char cast[6]; |
| |
| shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str); |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str); |
| shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str); |
| |
| shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpDest); |
| |
| /* Need to cast the src vectors to vec3 for dp3, and vec4 for dp4 */ |
| if (curOpcode->opcode == D3DSIO_DP4) |
| strcpy(cast, "vec4("); |
| else |
| strcpy(cast, "vec3("); |
| |
| shader_addline(buffer, "%sdot(%s%s), %s%s)))%s;\n", |
| tmpDest, cast, src0_str, cast, src1_str, dst_mask); |
| } |
| |
| /* 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; |
| char tmpLine[256]; |
| char dst_str[100], src_str[100]; |
| char dst_reg[50], src_reg[50]; |
| char dst_mask[6], src_mask[6]; |
| unsigned i; |
| |
| shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str); |
| |
| shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine); |
| |
| /* Determine the GLSL function to use based on the opcode */ |
| /* TODO: Possibly make this a table for faster lookups */ |
| switch (curOpcode->opcode) { |
| case D3DSIO_MIN: strcat(tmpLine, "min"); break; |
| case D3DSIO_MAX: strcat(tmpLine, "max"); break; |
| case D3DSIO_RSQ: strcat(tmpLine, "inversesqrt"); break; |
| case D3DSIO_ABS: strcat(tmpLine, "abs"); break; |
| case D3DSIO_FRC: strcat(tmpLine, "fract"); break; |
| case D3DSIO_POW: strcat(tmpLine, "pow"); break; |
| case D3DSIO_CRS: strcat(tmpLine, "cross"); break; |
| case D3DSIO_NRM: strcat(tmpLine, "normalize"); break; |
| case D3DSIO_LOG: strcat(tmpLine, "log2"); break; |
| case D3DSIO_EXPP: |
| case D3DSIO_EXP: strcat(tmpLine, "exp2"); break; |
| case D3DSIO_SGE: strcat(tmpLine, "greaterThanEqual"); break; |
| case D3DSIO_SLT: strcat(tmpLine, "lessThan"); break; |
| default: |
| FIXME("Opcode %s not yet handled in GLSL\n", curOpcode->name); |
| break; |
| } |
| |
| strcat(tmpLine, "("); |
| |
| if (curOpcode->num_params > 0) { |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src_reg, src_mask, src_str); |
| strcat(tmpLine, src_str); |
| for (i = 2; i < curOpcode->num_params; ++i) { |
| strcat(tmpLine, ", "); |
| shader_glsl_add_param(arg, arg->src[i-1], arg->src_addr[i-1], TRUE, src_reg, src_mask, src_str); |
| strcat(tmpLine, src_str); |
| } |
| } |
| shader_addline(buffer, "%s))%s;\n", tmpLine, dst_mask); |
| |
| } |
| |
| /** Process the RCP (reciprocal or inverse) opcode in GLSL (dst = 1 / src) */ |
| void shader_glsl_rcp(SHADER_OPCODE_ARG* arg) { |
| |
| char tmpLine[256]; |
| char dst_str[100], src_str[100]; |
| char dst_reg[50], src_reg[50]; |
| char dst_mask[6], src_mask[6]; |
| |
| shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str); |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src_reg, src_mask, src_str); |
| shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine); |
| strcat(tmpLine, "1.0 / "); |
| shader_addline(arg->buffer, "%s%s)%s;\n", tmpLine, src_str, dst_mask); |
| } |
| |
| /** Process signed comparison opcodes in GLSL. */ |
| void shader_glsl_compare(SHADER_OPCODE_ARG* arg) { |
| |
| char tmpLine[256]; |
| char dst_str[100], src0_str[100], src1_str[100]; |
| char dst_reg[50], src0_reg[50], src1_reg[50]; |
| char dst_mask[6], src0_mask[6], src1_mask[6]; |
| |
| shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str); |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str); |
| shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine); |
| |
| /* If we are comparing vectors and not scalars, we should process this through map2gl using the GLSL functions. */ |
| if (strlen(src0_mask) != 2) { |
| shader_glsl_map2gl(arg); |
| } else { |
| char compareStr[3]; |
| compareStr[0] = 0; |
| shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str); |
| |
| switch (arg->opcode->opcode) { |
| case D3DSIO_SLT: strcpy(compareStr, "<"); break; |
| case D3DSIO_SGE: strcpy(compareStr, ">="); break; |
| default: |
| FIXME("Can't handle opcode %s\n", arg->opcode->name); |
| } |
| shader_addline(arg->buffer, "%s(float(%s) %s float(%s)) ? 1.0 : 0.0)%s;\n", |
| tmpLine, src0_str, compareStr, src1_str, dst_mask); |
| } |
| } |
| |
| /** Process CMP instruction in GLSL (dst = src0.x > 0.0 ? src1.x : src2.x), per channel */ |
| void shader_glsl_cmp(SHADER_OPCODE_ARG* arg) { |
| |
| char dst_str[100], src0_str[100], src1_str[100], src2_str[100]; |
| char dst_reg[50], src0_reg[50], src1_reg[50], src2_reg[50]; |
| char dst_mask[6], src0_mask[6], src1_mask[6], src2_mask[6]; |
| |
| shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str); |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str); |
| shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str); |
| shader_glsl_add_param(arg, arg->src[2], arg->src_addr[2], TRUE, src2_reg, src2_mask, src2_str); |
| |
| /* FIXME: This isn't correct - doesn't take the dst's swizzle into account. */ |
| shader_addline(arg->buffer, "%s.x = (%s.x > 0.0) ? %s.x : %s.x;\n", dst_reg, src0_reg, src1_reg, src2_reg); |
| shader_addline(arg->buffer, "%s.y = (%s.y > 0.0) ? %s.y : %s.y;\n", dst_reg, src0_reg, src1_reg, src2_reg); |
| shader_addline(arg->buffer, "%s.z = (%s.z > 0.0) ? %s.z : %s.z;\n", dst_reg, src0_reg, src1_reg, src2_reg); |
| shader_addline(arg->buffer, "%s.w = (%s.w > 0.0) ? %s.w : %s.w;\n", dst_reg, src0_reg, src1_reg, src2_reg); |
| } |
| |
| /** Process the CND opcode in GLSL (dst = (src0 < 0.5) ? src1 : src2) */ |
| void shader_glsl_cnd(SHADER_OPCODE_ARG* arg) { |
| |
| char tmpLine[256]; |
| char dst_str[100], src0_str[100], src1_str[100], src2_str[100]; |
| char dst_reg[50], src0_reg[50], src1_reg[50], src2_reg[50]; |
| char dst_mask[6], src0_mask[6], src1_mask[6], src2_mask[6]; |
| |
| shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str); |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str); |
| shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str); |
| shader_glsl_add_param(arg, arg->src[2], arg->src_addr[2], TRUE, src2_reg, src2_mask, src2_str); |
| shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine); |
| shader_addline(arg->buffer, "%s(%s < 0.5) ? %s : %s)%s;\n", |
| tmpLine, src0_str, src1_str, src2_str, dst_mask); |
| } |
| |
| /** GLSL code generation for D3DSIO_MAD: Multiply the first 2 opcodes, then add the last */ |
| void shader_glsl_mad(SHADER_OPCODE_ARG* arg) { |
| |
| char tmpLine[256]; |
| char dst_str[100], src0_str[100], src1_str[100], src2_str[100]; |
| char dst_reg[50], src0_reg[50], src1_reg[50], src2_reg[50]; |
| char dst_mask[6], src0_mask[6], src1_mask[6], src2_mask[6]; |
| |
| shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str); |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str); |
| shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str); |
| shader_glsl_add_param(arg, arg->src[2], arg->src_addr[2], TRUE, src2_reg, src2_mask, src2_str); |
| shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine); |
| |
| shader_addline(arg->buffer, "%s((%s) * (%s)) + (%s))%s;\n", |
| tmpLine, src0_str, src1_str, src2_str, dst_mask); |
| } |
| |
| /** Handles transforming all D3DSIO_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.reg_maps = arg->reg_maps; |
| |
| switch(arg->opcode->opcode) { |
| case D3DSIO_M4x4: |
| nComponents = 4; |
| tmpArg.opcode = &IWineD3DVertexShaderImpl_shader_ins[D3DSIO_DP4]; |
| break; |
| case D3DSIO_M4x3: |
| nComponents = 3; |
| tmpArg.opcode = &IWineD3DVertexShaderImpl_shader_ins[D3DSIO_DP4]; |
| break; |
| case D3DSIO_M3x4: |
| nComponents = 4; |
| tmpArg.opcode = &IWineD3DVertexShaderImpl_shader_ins[D3DSIO_DP3]; |
| break; |
| case D3DSIO_M3x3: |
| nComponents = 3; |
| tmpArg.opcode = &IWineD3DVertexShaderImpl_shader_ins[D3DSIO_DP3]; |
| break; |
| case D3DSIO_M3x2: |
| nComponents = 2; |
| tmpArg.opcode = &IWineD3DVertexShaderImpl_shader_ins[D3DSIO_DP3]; |
| break; |
| default: |
| break; |
| } |
| |
| for (i = 0; i < nComponents; i++) { |
| tmpArg.dst = ((arg->dst) & ~D3DSP_WRITEMASK_ALL)|(D3DSP_WRITEMASK_0<<i); |
| tmpArg.src[1] = arg->src[1]+i; |
| tmpArg.src_addr[1] = arg->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 * (src1 - src0) + src0) |
| */ |
| void shader_glsl_lrp(SHADER_OPCODE_ARG* arg) { |
| |
| char tmpLine[256]; |
| char dst_str[100], src0_str[100], src1_str[100], src2_str[100]; |
| char dst_reg[50], src0_reg[50], src1_reg[50], src2_reg[50]; |
| char dst_mask[6], src0_mask[6], src1_mask[6], src2_mask[6]; |
| |
| shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str); |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str); |
| shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str); |
| shader_glsl_add_param(arg, arg->src[2], arg->src_addr[2], TRUE, src2_reg, src2_mask, src2_str); |
| |
| shader_glsl_add_dst(arg->dst, dst_reg, dst_mask, tmpLine); |
| |
| shader_addline(arg->buffer, "%s(%s * (%s - %s) + %s))%s;\n", |
| tmpLine, src2_str, src1_str, src0_str, src0_str, dst_mask); |
| } |
| |
| /** Process the D3DSIO_DCL opcode into a GLSL string - creates a local vec4 |
| * float constant, and stores it's usage on the regmaps. */ |
| void shader_glsl_def(SHADER_OPCODE_ARG* arg) { |
| |
| DWORD reg = arg->dst & D3DSP_REGNUM_MASK; |
| |
| shader_addline(arg->buffer, |
| "const vec4 C%lu = { %f, %f, %f, %f };\n", reg & 0xFF, |
| *((const float *)(arg->src + 0)), |
| *((const float *)(arg->src + 1)), |
| *((const float *)(arg->src + 2)), |
| *((const float *)(arg->src + 3)) ); |
| |
| arg->reg_maps->constantsF[reg] = 1; |
| } |
| |
| /********************************************* |
| * Pixel Shader Specific Code begins here |
| ********************************************/ |
| void pshader_glsl_tex(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 version = This->baseShader.version; |
| |
| char dst_str[100], dst_reg[50], dst_mask[6]; |
| char src0_str[100], src0_reg[50], src0_mask[6]; |
| char src1_str[100], src1_reg[50], src1_mask[6]; |
| DWORD reg_dest_code = arg->dst & D3DSP_REGNUM_MASK; |
| |
| /* All versions have a destination register */ |
| shader_glsl_add_param(arg, arg->dst, 0, FALSE, dst_reg, dst_mask, dst_str); |
| |
| /* 1.0-1.3: Use destination register as coordinate source. |
| 2.0+: Use provided coordinate source register. */ |
| if (version == 14) { |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str); |
| sprintf(src1_str, "mytex%lu", reg_dest_code); |
| } else if (version > 14) { |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str); |
| shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str); |
| } |
| |
| /* 1.0-1.4: Use destination register number as texture code. |
| 2.0+: Use provided sampler number as texure code. */ |
| if (version < 14) { |
| shader_addline(buffer, "%s = texture2D(mytex%lu, gl_TexCoord[%lu].st);\n", |
| dst_str, reg_dest_code, reg_dest_code); |
| } else { |
| shader_addline(buffer, "%s = texture2D(%s, %s.st);\n", dst_str, src1_str, src0_reg); |
| } |
| } |
| |
| 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 version = This->baseShader.version; |
| |
| char tmpStr[100]; |
| char tmpReg[50]; |
| char tmpMask[6]; |
| tmpReg[0] = 0; |
| |
| shader_glsl_add_param(arg, arg->dst, 0, FALSE, tmpReg, tmpMask, tmpStr); |
| |
| if (version != 14) { |
| DWORD reg = arg->dst & D3DSP_REGNUM_MASK; |
| shader_addline(buffer, "%s = gl_TexCoord[%lu];\n", tmpReg, reg); |
| } else { |
| DWORD reg2 = arg->src[0] & D3DSP_REGNUM_MASK; |
| shader_addline(buffer, "%s = gl_TexCoord[%lu]%s;\n", tmpStr, reg2, tmpMask); |
| } |
| } |
| |
| void pshader_glsl_texm3x2pad(SHADER_OPCODE_ARG* arg) { |
| |
| /* FIXME: Make this work for more than just 2D textures */ |
| |
| DWORD reg = arg->dst & D3DSP_REGNUM_MASK; |
| SHADER_BUFFER* buffer = arg->buffer; |
| char src0_str[100]; |
| char src0_name[50]; |
| char src0_mask[6]; |
| |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_name, src0_mask, src0_str); |
| shader_addline(buffer, "tmp0.x = dot(vec3(T%lu), vec3(%s));\n", reg, src0_name, src0_mask, src0_str); |
| } |
| |
| void pshader_glsl_texm3x2tex(SHADER_OPCODE_ARG* arg) { |
| |
| /* FIXME: Make this work for more than just 2D textures */ |
| |
| DWORD reg = arg->dst & D3DSP_REGNUM_MASK; |
| SHADER_BUFFER* buffer = arg->buffer; |
| char src0_str[100]; |
| char src0_name[50]; |
| char src0_mask[6]; |
| |
| shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_name, src0_mask, src0_str); |
| shader_addline(buffer, "tmp0.y = dot(vec3(T%lu), vec3(%s));\n", reg, src0_str); |
| shader_addline(buffer, "T%lu = texture2D(mytex%lu, tmp0.st);\n", reg, reg); |
| } |
