system/wine
system/wine
1
0
Fork 0
mirror of git://source.winehq.org/git/wine.git synced 2024-11-05 18:01:34 +00:00
Code Issues Projects Releases Packages Wiki Activity
wine/dlls/wined3d/glsl_shader.c
Francois Gouget 11ae0f6386 Assorted spelling fixes.
2006-06-16 11:32:29 +02:00

1045 lines
39 KiB
C
Raw Blame History

/*
* 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));
FIXME("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 */
static 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(" */
static 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 */
static 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 */
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 */
const char* hwrastout_reg_names[] = { "gl_Position", "gl_FogFragCoord", "gl_PointSize" };
DWORD reg = param & D3DSP_REGNUM_MASK;
DWORD regtype = shader_get_regtype(param);
IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) arg->shader;
char pshader = shader_is_pshader_version(This->baseShader.hex_version);
char tmpStr[50];
*is_color = FALSE;
switch (regtype) {
case D3DSPR_TEMP:
sprintf(tmpStr, "R%lu", reg);
break;
case D3DSPR_INPUT:
if (pshader) {
/* Pixel shaders >= 3.0 */
if (D3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3)
sprintf(tmpStr, "IN%lu", reg);
else {
if (reg==0)
strcpy(tmpStr, "gl_Color");
else
strcpy(tmpStr, "gl_SecondaryColor");
}
} else {
IWineD3DVertexShaderImpl *vshader = (IWineD3DVertexShaderImpl*) arg->shader;
if (vshader->arrayUsageMap[WINED3DSHADERDECLUSAGE_DIFFUSE] &&
reg == (vshader->arrayUsageMap[WINED3DSHADERDECLUSAGE_DIFFUSE] & D3DSP_REGNUM_MASK))
*is_color = TRUE;
if (vshader->arrayUsageMap[WINED3DSHADERDECLUSAGE_SPECULAR] &&
reg == (vshader->arrayUsageMap[WINED3DSHADERDECLUSAGE_SPECULAR] & D3DSP_REGNUM_MASK))
*is_color = TRUE;
/* FIXME: Shaders in 8.1 appear to not require a dcl statement - use
* the reg value from the vertex declaration. However, arrayUsageMap is not initialized
* in that case - how can we know if an input contains color data or not? */
sprintf(tmpStr, "attrib%lu", reg);
}
break;
case D3DSPR_CONST:
{
const char* prefix = pshader? "PC":"VC";
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, "%s%lu", prefix, 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 (D3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2) {
char relStr[100], relReg[50], relMask[6];
shader_glsl_add_param(arg, addr_token, 0, TRUE, relReg, relMask, relStr);
sprintf(tmpStr, "%s[%s + %lu]", prefix, relStr, reg);
} else {
sprintf(tmpStr, "%s[A0.x + %lu]", prefix, reg);
}
} else {
/* Just a normal global constant - no relative addressing */
sprintf(tmpStr, "%s[%lu]", prefix, reg);
}
}
break;
}
case D3DSPR_TEXTURE: /* case D3DSPR_ADDR: */
if (pshader) {
sprintf(tmpStr, "T%lu", reg);
} else {
sprintf(tmpStr, "A%lu", reg);
}
break;
case D3DSPR_LOOP:
sprintf(tmpStr, "aL");
break;
case D3DSPR_SAMPLER:
if (pshader)
sprintf(tmpStr, "psampler%lu", reg);
else
sprintf(tmpStr, "vsampler%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:
/* Vertex shaders >= 3.0: D3DSPR_OUTPUT */
if (D3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3)
sprintf(tmpStr, "OUT%lu", reg);
else
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 */
static void shader_glsl_get_output_register_swizzle(
const DWORD param,
char *write_mask) {
*write_mask = 0;
if ((param & D3DSP_WRITEMASK_ALL) != D3DSP_WRITEMASK_ALL) {
strcat(write_mask, ".");
if (param & D3DSP_WRITEMASK_0) strcat(write_mask, "x");
if (param & D3DSP_WRITEMASK_1) strcat(write_mask, "y");
if (param & D3DSP_WRITEMASK_2) strcat(write_mask, "z");
if (param & D3DSP_WRITEMASK_3) strcat(write_mask, "w");
}
}
static void shader_glsl_get_input_register_swizzle(
const DWORD param,
BOOL is_color,
char *reg_mask) {
const char swizzle_reg_chars_color_fix[] = "zyxw";
const char swizzle_reg_chars[] = "xyzw";
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;
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. */
static 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(param, is_color, reg_mask);
shader_glsl_gen_modifier(param, reg_name, reg_mask, out_str);
} else {
shader_glsl_get_output_register_swizzle(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 arithmetic 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, "vec4(");
strcat(tmpLine, src0_str);
strcat(tmpLine, ")");
/* 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, "%svec4(%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_LOGP:
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;
case D3DSIO_SGN: strcat(tmpLine, "sign"); break;
default:
FIXME("Opcode %s not yet handled in GLSL\n", curOpcode->name);
break;
}
strcat(tmpLine, "(");
if (curOpcode->num_params > 0) {
strcat(tmpLine, "vec4(");
shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src_reg, src_mask, src_str);
strcat(tmpLine, src_str);
strcat(tmpLine, ")");
for (i = 2; i < curOpcode->num_params; ++i) {
strcat(tmpLine, ", vec4(");
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);
strcat(tmpLine, ")");
}
}
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(vec4(%s) * vec4(%s)) + vec4(%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;
IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) arg->shader;
char pshader = shader_is_pshader_version(This->baseShader.hex_version);
const char* prefix = pshader? "PC":"VC";
shader_addline(arg->buffer,
"const vec4 %s%lu = { %f, %f, %f, %f };\n", prefix, reg,
*((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;
}
/** Process the D3DSIO_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) {
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_addline(arg->buffer,
"%s = vec4(1.0, (%s.x > 0.0 ? %s.x : 0.0), (%s.x > 0.0 ? ((%s.y > 0.0) ? pow(%s.y, clamp(%s.w, -128.0, 128.0)) : 0.0) : 0.0), 1.0)%s;\n",
dst_str, src0_reg, src0_reg, src0_reg, src0_reg, src0_reg, src0_reg, dst_mask);
}
/** Process the D3DSIO_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) {
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_param(arg, arg->src[1], arg->src_addr[1], TRUE, src1_reg, src1_mask, src1_str);
shader_addline(arg->buffer, "%s = vec4(1.0, %s.x * %s.y, %s.z, %s.w)%s;\n",
dst_str, src0_reg, src1_reg, src0_reg, src1_reg, dst_mask);
}
/** Process the D3DSIO_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) {
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_addline(arg->buffer, "%s = vec4(cos(%s), sin(%s), %s.z, %s.w)%s;\n",
dst_str, src0_str, src0_str, dst_reg, dst_reg, dst_mask);
}
/** Process the D3DSIO_LOOP instruction in GLSL:
* Start a for() loop where src0.y is the initial value of aL,
* increment aL by src0.z while (aL < src0.x).
*/
void shader_glsl_loop(SHADER_OPCODE_ARG* arg) {
char src0_str[100];
char src0_reg[50];
char src0_mask[6];
shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, src0_reg, src0_mask, src0_str);
shader_addline(arg->buffer, "for (aL = %s.y; aL < %s.x; aL += %s.z) {\n",
src0_reg, src0_reg, src0_reg);
}
/** Process the D3DSIO_ENDLOOP instruction in GLSL:
* End the for() loop
*/
void shader_glsl_endloop(SHADER_OPCODE_ARG* arg) {
shader_addline(arg->buffer, "}\n");
}
/*********************************************
* 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 hex_version = This->baseShader.hex_version;
char dst_str[100], dst_reg[50], dst_mask[6];
char coord_str[100], coord_reg[50], coord_mask[6];
char sampler_str[100], sampler_reg[50], sampler_mask[6];
DWORD reg_dest_code = arg->dst & D3DSP_REGNUM_MASK;
DWORD sampler_code, sampler_type;
/* 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.
1.4+: Use provided coordinate source register. */
if (hex_version < D3DPS_VERSION(1,4))
strcpy(coord_reg, dst_reg);
else
shader_glsl_add_param(arg, arg->src[0], arg->src_addr[0], TRUE, coord_reg, coord_mask, coord_str);
/* 1.0-1.4: Use destination register as coordinate source.
* 2.0+: Use provided coordinate source register. */
if (hex_version < D3DPS_VERSION(2,0)) {
sprintf(sampler_str, "psampler%lu", reg_dest_code);
sampler_code = reg_dest_code;
}
else {
shader_glsl_add_param(arg, arg->src[1], arg->src_addr[1], TRUE, sampler_reg, sampler_mask, sampler_str);
sampler_code = arg->src[1] & D3DSP_REGNUM_MASK;
}
sampler_type = arg->reg_maps->samplers[sampler_code] & D3DSP_TEXTURETYPE_MASK;
switch(sampler_type) {
case D3DSTT_2D:
shader_addline(buffer, "%s = texture2D(%s, %s.st);\n", dst_str, sampler_str, coord_reg);
break;
case D3DSTT_CUBE:
shader_addline(buffer, "%s = textureCube(%s, %s.stp);\n", dst_str, sampler_str, coord_reg);
break;
case D3DSTT_VOLUME:
shader_addline(buffer, "%s = texture3D(%s, %s.stp);\n", dst_str, sampler_str, coord_reg);
break;
default:
shader_addline(buffer, "%s = unrecognized_stype(%s, %s.stp);\n", dst_str, sampler_str, coord_reg);
FIXME("Unrecognized sampler type: %#lx;\n", sampler_type);
break;
}
}
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;
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 (hex_version != D3DPS_VERSION(1,4)) {
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(psampler%lu, tmp0.st);\n", reg, reg);
}
void pshader_glsl_input_pack(
SHADER_BUFFER* buffer,
DWORD* semantics_in) {
unsigned int i;
for (i = 0; i < WINED3DSHADERDECLUSAGE_MAX_USAGE; i++) {
DWORD reg = semantics_in[i];
unsigned int regnum = reg & D3DSP_REGNUM_MASK;
char reg_mask[6];
/* Uninitialized */
if (!reg) continue;
shader_glsl_get_output_register_swizzle(reg, reg_mask);
switch(i) {
case WINED3DSHADERDECLUSAGE_DIFFUSE:
shader_addline(buffer, "IN%lu%s = vec4(gl_Color)%s;\n",
regnum, reg_mask, reg_mask);
break;
case WINED3DSHADERDECLUSAGE_SPECULAR:
shader_addline(buffer, "IN%lu%s = vec4(gl_SecondaryColor)%s;\n",
regnum, reg_mask, reg_mask);
break;
case WINED3DSHADERDECLUSAGE_TEXCOORD0:
case WINED3DSHADERDECLUSAGE_TEXCOORD1:
case WINED3DSHADERDECLUSAGE_TEXCOORD2:
case WINED3DSHADERDECLUSAGE_TEXCOORD3:
case WINED3DSHADERDECLUSAGE_TEXCOORD4:
case WINED3DSHADERDECLUSAGE_TEXCOORD5:
case WINED3DSHADERDECLUSAGE_TEXCOORD6:
case WINED3DSHADERDECLUSAGE_TEXCOORD7:
shader_addline(buffer, "IN%lu%s = vec4(gl_TexCoord[%lu])%s;\n",
regnum, reg_mask, i - WINED3DSHADERDECLUSAGE_TEXCOORD0, reg_mask );
break;
case WINED3DSHADERDECLUSAGE_FOG:
shader_addline(buffer, "IN%lu%s = vec4(gl_FogFragCoord)%s;\n",
regnum, reg_mask, reg_mask);
break;
default:
shader_addline(buffer, "IN%lu%s = vec4(unsupported_input)%s;\n",
regnum, reg_mask, reg_mask);
}
}
}
/*********************************************
* Vertex Shader Specific Code begins here
********************************************/
void vshader_glsl_output_unpack(
SHADER_BUFFER* buffer,
DWORD* semantics_out) {
unsigned int i;
for (i = 0; i < WINED3DSHADERDECLUSAGE_MAX_USAGE; i++) {
DWORD reg = semantics_out[i];
unsigned int regnum = reg & D3DSP_REGNUM_MASK;
char reg_mask[6];
/* Uninitialized */
if (!reg) continue;
shader_glsl_get_output_register_swizzle(reg, reg_mask);
switch(i) {
case WINED3DSHADERDECLUSAGE_DIFFUSE:
shader_addline(buffer, "gl_FrontColor%s = OUT%lu%s;\n", reg_mask, regnum, reg_mask);
break;
case WINED3DSHADERDECLUSAGE_SPECULAR:
shader_addline(buffer, "gl_FrontSecondaryColor%s = OUT%lu%s;\n", reg_mask, regnum, reg_mask);
break;
case WINED3DSHADERDECLUSAGE_POSITION:
shader_addline(buffer, "gl_Position%s = OUT%lu%s;\n", reg_mask, regnum, reg_mask);
break;
case WINED3DSHADERDECLUSAGE_TEXCOORD0:
case WINED3DSHADERDECLUSAGE_TEXCOORD1:
case WINED3DSHADERDECLUSAGE_TEXCOORD2:
case WINED3DSHADERDECLUSAGE_TEXCOORD3:
case WINED3DSHADERDECLUSAGE_TEXCOORD4:
case WINED3DSHADERDECLUSAGE_TEXCOORD5:
case WINED3DSHADERDECLUSAGE_TEXCOORD6:
case WINED3DSHADERDECLUSAGE_TEXCOORD7:
shader_addline(buffer, "gl_TexCoord[%lu]%s = OUT%lu%s;\n",
i - WINED3DSHADERDECLUSAGE_TEXCOORD0, reg_mask, regnum, reg_mask);
break;
case WINED3DSHADERDECLUSAGE_PSIZE:
shader_addline(buffer, "gl_PointSize = OUT%lu.x;\n", regnum);
break;
case WINED3DSHADERDECLUSAGE_FOG:
shader_addline(buffer, "gl_FogFragCoord%s = OUT%lu%s;\n", reg_mask, regnum, reg_mask);
break;
default:
shader_addline(buffer, "unsupported_output%s = OUT%lu%s;\n", reg_mask, regnum, reg_mask);
}
}
}
Reference in a new issue View git blame Copy permalink