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wine/dlls/wined3d/arb_program_shader.c

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/*
* Pixel and vertex shaders implementation using ARB_vertex_program
* and ARB_fragment_program GL extensions.
*
* Copyright 2002-2003 Jason Edmeades
* Copyright 2002-2003 Raphael Junqueira
* Copyright 2004 Christian Costa
* Copyright 2005 Oliver Stieber
* Copyright 2006 Ivan Gyurdiev
* Copyright 2006 Jason Green
* Copyright 2006 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
*/
#include "config.h"
#include <math.h>
#include <stdio.h>
#include "wined3d_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
WINE_DECLARE_DEBUG_CHANNEL(d3d_constants);
#define GLINFO_LOCATION (*gl_info)
/********************************************************
* ARB_[vertex/fragment]_program helper functions follow
********************************************************/
/**
* Loads floating point constants into the currently set ARB_vertex/fragment_program.
* When constant_list == NULL, it will load all the constants.
*
* @target_type should be either GL_VERTEX_PROGRAM_ARB (for vertex shaders)
* or GL_FRAGMENT_PROGRAM_ARB (for pixel shaders)
*/
static void shader_arb_load_constantsF(IWineD3DBaseShaderImpl* This, WineD3D_GL_Info *gl_info, GLuint target_type,
unsigned int max_constants, float* constants, struct list *constant_list) {
constants_entry *constant;
local_constant* lconst;
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++;
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++;
GL_EXTCALL(glProgramEnvParameter4fvARB(target_type, i, constants + (i * 4)));
}
}
checkGLcall("glProgramEnvParameter4fvARB()");
/* Load immediate constants */
if (TRACE_ON(d3d_shader)) {
LIST_FOR_EACH_ENTRY(lconst, &This->baseShader.constantsF, local_constant, entry) {
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) {
GL_EXTCALL(glProgramEnvParameter4fvARB(target_type, lconst->idx, (GLfloat*)lconst->value));
}
checkGLcall("glProgramEnvParameter4fvARB()");
}
/**
* Loads the app-supplied constants into the currently set ARB_[vertex/fragment]_programs.
*
* We only support float constants in ARB at the moment, so don't
* worry about the Integers or Booleans
*/
void shader_arb_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;
if (useVertexShader) {
IWineD3DBaseShaderImpl* vshader = (IWineD3DBaseShaderImpl*) stateBlock->vertexShader;
/* Load DirectX 9 float constants for vertex shader */
shader_arb_load_constantsF(vshader, gl_info, GL_VERTEX_PROGRAM_ARB,
GL_LIMITS(vshader_constantsF),
stateBlock->vertexShaderConstantF,
&stateBlock->set_vconstantsF);
/* Upload the position fixup */
GL_EXTCALL(glProgramEnvParameter4fvARB(GL_VERTEX_PROGRAM_ARB, ARB_SHADER_PRIVCONST_POS, deviceImpl->posFixup));
}
if (usePixelShader) {
IWineD3DBaseShaderImpl* pshader = (IWineD3DBaseShaderImpl*) stateBlock->pixelShader;
/* Load DirectX 9 float constants for pixel shader */
shader_arb_load_constantsF(pshader, gl_info, GL_FRAGMENT_PROGRAM_ARB,
GL_LIMITS(pshader_constantsF),
stateBlock->pixelShaderConstantF,
&stateBlock->set_pconstantsF);
if(((IWineD3DPixelShaderImpl *) pshader)->bumpenvmatconst) {
/* needsbumpmat stores the stage number from where to load the matrix. bumpenvmatconst stores the
* number of the constant to load the matrix into.
* The state manager takes care that this function is always called if the bump env matrix changes
*/
IWineD3DPixelShaderImpl *psi = (IWineD3DPixelShaderImpl *) pshader;
float *data = (float *) &stateBlock->textureState[(int) psi->needsbumpmat][WINED3DTSS_BUMPENVMAT00];
GL_EXTCALL(glProgramEnvParameter4fvARB(GL_FRAGMENT_PROGRAM_ARB, psi->bumpenvmatconst, data));
}
}
}
/* Generate the variable & register declarations for the ARB_vertex_program output target */
void shader_generate_arb_declarations(
IWineD3DBaseShader *iface,
shader_reg_maps* reg_maps,
SHADER_BUFFER* buffer,
WineD3D_GL_Info* gl_info) {
IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
DWORD i;
char pshader = shader_is_pshader_version(This->baseShader.hex_version);
unsigned max_constantsF = min(This->baseShader.limits.constant_float,
(pshader ? GL_LIMITS(pshader_constantsF) : GL_LIMITS(vshader_constantsF)));
/* Temporary Output register */
shader_addline(buffer, "TEMP TMP_OUT;\n");
for(i = 0; i < This->baseShader.limits.temporary; i++) {
if (reg_maps->temporary[i])
shader_addline(buffer, "TEMP R%u;\n", i);
}
for (i = 0; i < This->baseShader.limits.address; i++) {
if (reg_maps->address[i])
shader_addline(buffer, "ADDRESS A%d;\n", i);
}
for(i = 0; i < This->baseShader.limits.texcoord; i++) {
if (reg_maps->texcoord[i])
shader_addline(buffer,"TEMP T%u;\n", i);
}
/* Texture coordinate registers must be pre-loaded */
for (i = 0; i < This->baseShader.limits.texcoord; i++) {
if (reg_maps->texcoord[i])
shader_addline(buffer, "MOV T%u, fragment.texcoord[%u];\n", i, i);
}
if(reg_maps->bumpmat != -1 /* Only a pshader can use texbem */) {
/* If the shader does not use all available constants, use the next free constant to load the bump mapping environment matrix from
* the stateblock into the shader. If no constant is available don't load, texbem will then just sample the texture without applying
* bump mapping.
*/
if(max_constantsF < GL_LIMITS(pshader_constantsF)) {
((IWineD3DPixelShaderImpl *)This)->bumpenvmatconst = max_constantsF;
shader_addline(buffer, "PARAM bumpenvmat = program.env[%d];\n", ((IWineD3DPixelShaderImpl *)This)->bumpenvmatconst);
} else {
FIXME("No free constant found to load environemnt bump mapping matrix into the shader. texbem instruction will not apply bump mapping\n");
}
}
/* Need to PARAM the environment parameters (constants) so we can use relative addressing */
shader_addline(buffer, "PARAM C[%d] = { program.env[0..%d] };\n",
max_constantsF, max_constantsF - 1);
}
static const char * const shift_tab[] = {
"dummy", /* 0 (none) */
"coefmul.x", /* 1 (x2) */
"coefmul.y", /* 2 (x4) */
"coefmul.z", /* 3 (x8) */
"coefmul.w", /* 4 (x16) */
"dummy", /* 5 (x32) */
"dummy", /* 6 (x64) */
"dummy", /* 7 (x128) */
"dummy", /* 8 (d256) */
"dummy", /* 9 (d128) */
"dummy", /* 10 (d64) */
"dummy", /* 11 (d32) */
"coefdiv.w", /* 12 (d16) */
"coefdiv.z", /* 13 (d8) */
"coefdiv.y", /* 14 (d4) */
"coefdiv.x" /* 15 (d2) */
};
static void shader_arb_get_write_mask(const DWORD param, char *write_mask) {
char *ptr = write_mask;
if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
*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';
}
static void shader_arb_get_swizzle(const DWORD param, BOOL fixup, 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. */
const char *swizzle_chars = fixup ? "zyxw" : "xyzw";
char *ptr = swizzle_str;
/* swizzle bits fields: wwzzyyxx */
DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_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 the swizzle is the default swizzle (ie, "xyzw"), we don't need to
* generate a swizzle string. Unless we need to our own swizzling. */
if ((WINED3DSP_NOSWIZZLE >> WINED3DSP_SWIZZLE_SHIFT) != swizzle || fixup) {
*ptr++ = '.';
if (swizzle_x == swizzle_y && swizzle_x == swizzle_z && swizzle_x == swizzle_w) {
*ptr++ = swizzle_chars[swizzle_x];
} else {
*ptr++ = swizzle_chars[swizzle_x];
*ptr++ = swizzle_chars[swizzle_y];
*ptr++ = swizzle_chars[swizzle_z];
*ptr++ = swizzle_chars[swizzle_w];
}
}
*ptr = '\0';
}
static void pshader_get_register_name(
const DWORD param, char* regstr) {
DWORD reg = param & WINED3DSP_REGNUM_MASK;
DWORD regtype = shader_get_regtype(param);
switch (regtype) {
case WINED3DSPR_TEMP:
sprintf(regstr, "R%u", reg);
break;
case WINED3DSPR_INPUT:
if (reg==0) {
strcpy(regstr, "fragment.color.primary");
} else {
strcpy(regstr, "fragment.color.secondary");
}
break;
case WINED3DSPR_CONST:
sprintf(regstr, "C[%u]", reg);
break;
case WINED3DSPR_TEXTURE: /* case WINED3DSPR_ADDR: */
sprintf(regstr,"T%u", reg);
break;
case WINED3DSPR_COLOROUT:
if (reg == 0)
sprintf(regstr, "TMP_COLOR");
else {
/* TODO: See GL_ARB_draw_buffers */
FIXME("Unsupported write to render target %u\n", reg);
sprintf(regstr, "unsupported_register");
}
break;
case WINED3DSPR_DEPTHOUT:
sprintf(regstr, "result.depth");
break;
case WINED3DSPR_ATTROUT:
sprintf(regstr, "oD[%u]", reg);
break;
case WINED3DSPR_TEXCRDOUT:
sprintf(regstr, "oT[%u]", reg);
break;
default:
FIXME("Unhandled register name Type(%d)\n", regtype);
sprintf(regstr, "unrecognized_register");
break;
}
}
/* TODO: merge with pixel shader */
static void vshader_program_add_param(SHADER_OPCODE_ARG *arg, const DWORD param, BOOL is_input, char *hwLine) {
IWineD3DVertexShaderImpl* This = (IWineD3DVertexShaderImpl*) arg->shader;
/* oPos, oFog and oPts in D3D */
static const char * const hwrastout_reg_names[] = { "TMP_OUT", "result.fogcoord", "result.pointsize" };
DWORD reg = param & WINED3DSP_REGNUM_MASK;
DWORD regtype = shader_get_regtype(param);
char tmpReg[255];
BOOL is_color = FALSE;
if ((param & WINED3DSP_SRCMOD_MASK) == WINED3DSPSM_NEG) {
strcat(hwLine, " -");
} else {
strcat(hwLine, " ");
}
switch (regtype) {
case WINED3DSPR_TEMP:
sprintf(tmpReg, "R%u", reg);
strcat(hwLine, tmpReg);
break;
case WINED3DSPR_INPUT:
if (vshader_input_is_color((IWineD3DVertexShader*) This, reg))
is_color = TRUE;
sprintf(tmpReg, "vertex.attrib[%u]", reg);
strcat(hwLine, tmpReg);
break;
case WINED3DSPR_CONST:
sprintf(tmpReg, "C[%s%u]", (param & WINED3DSHADER_ADDRMODE_RELATIVE) ? "A0.x + " : "", reg);
strcat(hwLine, tmpReg);
break;
case WINED3DSPR_ADDR: /*case D3DSPR_TEXTURE:*/
sprintf(tmpReg, "A%u", reg);
strcat(hwLine, tmpReg);
break;
case WINED3DSPR_RASTOUT:
sprintf(tmpReg, "%s", hwrastout_reg_names[reg]);
strcat(hwLine, tmpReg);
break;
case WINED3DSPR_ATTROUT:
if (reg==0) {
strcat(hwLine, "result.color.primary");
} else {
strcat(hwLine, "result.color.secondary");
}
break;
case WINED3DSPR_TEXCRDOUT:
sprintf(tmpReg, "result.texcoord[%u]", reg);
strcat(hwLine, tmpReg);
break;
default:
FIXME("Unknown reg type %d %d\n", regtype, reg);
strcat(hwLine, "unrecognized_register");
break;
}
if (!is_input) {
char write_mask[6];
shader_arb_get_write_mask(param, write_mask);
strcat(hwLine, write_mask);
} else {
char swizzle[6];
shader_arb_get_swizzle(param, is_color, swizzle);
strcat(hwLine, swizzle);
}
}
static void shader_hw_sample(SHADER_OPCODE_ARG* arg, DWORD sampler_idx, const char *dst_str, const char *coord_reg, BOOL projective) {
IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
IWineD3DDeviceImpl* deviceImpl = (IWineD3DDeviceImpl*) This->baseShader.device;
IWineD3DBaseTextureImpl *texture = (IWineD3DBaseTextureImpl *) deviceImpl->stateBlock->textures[sampler_idx];
WineD3D_GL_Info *gl_info = &((IWineD3DImpl *)(((IWineD3DDeviceImpl *)(This->baseShader.device))->wineD3D))->gl_info;
SHADER_BUFFER* buffer = arg->buffer;
DWORD sampler_type = arg->reg_maps->samplers[sampler_idx] & WINED3DSP_TEXTURETYPE_MASK;
const char *tex_type;
switch(sampler_type) {
case WINED3DSTT_1D:
tex_type = "1D";
break;
case WINED3DSTT_2D:
tex_type = "2D";
break;
case WINED3DSTT_VOLUME:
tex_type = "3D";
break;
case WINED3DSTT_CUBE:
tex_type = "CUBE";
break;
default:
ERR("Unexpected texture type %d\n", sampler_type);
tex_type = "";
}
if (projective && deviceImpl->stateBlock->textureState[sampler_idx][WINED3DTSS_TEXTURETRANSFORMFLAGS] & WINED3DTTFF_PROJECTED) {
shader_addline(buffer, "TXP %s, %s, texture[%u], %s;\n", dst_str, coord_reg, sampler_idx, tex_type);
} else {
shader_addline(buffer, "TEX %s, %s, texture[%u], %s;\n", dst_str, coord_reg, sampler_idx, tex_type);
}
/* Signedness correction */
if(!GL_SUPPORT(NV_TEXTURE_SHADER3) /* Provides signed formats */ && texture) {
WINED3DFORMAT format = texture->resource.format;
if((format == WINED3DFMT_V8U8 && !GL_SUPPORT(ATI_ENVMAP_BUMPMAP)) ||
format == WINED3DFMT_Q8W8V8U8 ||
format == WINED3DFMT_V16U16) {
shader_addline(buffer, "MAD %s, %s, coefmul.x, -one;\n", dst_str, dst_str);
} else if(format == WINED3DFMT_X8L8V8U8) {
shader_addline(buffer, "MAD %s.rg, %s, coefmul.x, -one;\n", dst_str, dst_str);
}
}
}
static void pshader_gen_input_modifier_line (
SHADER_BUFFER* buffer,
const DWORD instr,
int tmpreg,
char *outregstr) {
/* Generate a line that does the input modifier computation and return the input register to use */
char regstr[256];
char swzstr[20];
int insert_line;
/* Assume a new line will be added */
insert_line = 1;
/* Get register name */
pshader_get_register_name(instr, regstr);
shader_arb_get_swizzle(instr, FALSE, swzstr);
switch (instr & WINED3DSP_SRCMOD_MASK) {
case WINED3DSPSM_NONE:
sprintf(outregstr, "%s%s", regstr, swzstr);
insert_line = 0;
break;
case WINED3DSPSM_NEG:
sprintf(outregstr, "-%s%s", regstr, swzstr);
insert_line = 0;
break;
case WINED3DSPSM_BIAS:
shader_addline(buffer, "ADD T%c, %s, -coefdiv.x;\n", 'A' + tmpreg, regstr);
break;
case WINED3DSPSM_BIASNEG:
shader_addline(buffer, "ADD T%c, -%s, coefdiv.x;\n", 'A' + tmpreg, regstr);
break;
case WINED3DSPSM_SIGN:
shader_addline(buffer, "MAD T%c, %s, coefmul.x, -one.x;\n", 'A' + tmpreg, regstr);
break;
case WINED3DSPSM_SIGNNEG:
shader_addline(buffer, "MAD T%c, %s, -coefmul.x, one.x;\n", 'A' + tmpreg, regstr);
break;
case WINED3DSPSM_COMP:
shader_addline(buffer, "SUB T%c, one.x, %s;\n", 'A' + tmpreg, regstr);
break;
case WINED3DSPSM_X2:
shader_addline(buffer, "ADD T%c, %s, %s;\n", 'A' + tmpreg, regstr, regstr);
break;
case WINED3DSPSM_X2NEG:
shader_addline(buffer, "ADD T%c, -%s, -%s;\n", 'A' + tmpreg, regstr, regstr);
break;
case WINED3DSPSM_DZ:
shader_addline(buffer, "RCP T%c, %s.z;\n", 'A' + tmpreg, regstr);
shader_addline(buffer, "MUL T%c, %s, T%c;\n", 'A' + tmpreg, regstr, 'A' + tmpreg);
break;
case WINED3DSPSM_DW:
shader_addline(buffer, "RCP T%c, %s.w;\n", 'A' + tmpreg, regstr);
shader_addline(buffer, "MUL T%c, %s, T%c;\n", 'A' + tmpreg, regstr, 'A' + tmpreg);
break;
default:
sprintf(outregstr, "%s%s", regstr, swzstr);
insert_line = 0;
}
/* Return modified or original register, with swizzle */
if (insert_line)
sprintf(outregstr, "T%c%s", 'A' + tmpreg, swzstr);
}
static inline void pshader_gen_output_modifier_line(
SHADER_BUFFER* buffer,
int saturate,
char *write_mask,
int shift,
char *regstr) {
/* Generate a line that does the output modifier computation */
shader_addline(buffer, "MUL%s %s%s, %s, %s;\n", saturate ? "_SAT" : "",
regstr, write_mask, regstr, shift_tab[shift]);
}
void pshader_hw_bem(SHADER_OPCODE_ARG* arg) {
IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
SHADER_BUFFER* buffer = arg->buffer;
char dst_name[50];
char src_name[2][50];
char dst_wmask[20];
pshader_get_register_name(arg->dst, dst_name);
shader_arb_get_write_mask(arg->dst, dst_wmask);
strcat(dst_name, dst_wmask);
pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src_name[0]);
pshader_gen_input_modifier_line(buffer, arg->src[1], 1, src_name[1]);
if(This->bumpenvmatconst != -1) {
/* Sampling the perturbation map in Tsrc was done already, including the signedness correction if needed */
shader_addline(buffer, "SWZ TMP2, bumpenvmat, x, z, 0, 0;\n");
shader_addline(buffer, "DP3 TMP.r, TMP2, %s;\n", src_name[1]);
shader_addline(buffer, "SWZ TMP2, bumpenvmat, y, w, 0, 0;\n");
shader_addline(buffer, "DP3 TMP.g, TMP2, %s;\n", src_name[1]);
shader_addline(buffer, "ADD %s, %s, TMP;\n", dst_name, src_name[0]);
} else {
shader_addline(buffer, "MOV %s, %s;\n", dst_name, src_name[0]);
}
}
void pshader_hw_cnd(SHADER_OPCODE_ARG* arg) {
SHADER_BUFFER* buffer = arg->buffer;
char dst_wmask[20];
char dst_name[50];
char src_name[3][50];
/* FIXME: support output modifiers */
/* Handle output register */
pshader_get_register_name(arg->dst, dst_name);
shader_arb_get_write_mask(arg->dst, dst_wmask);
strcat(dst_name, dst_wmask);
/* Generate input register names (with modifiers) */
pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src_name[0]);
pshader_gen_input_modifier_line(buffer, arg->src[1], 1, src_name[1]);
pshader_gen_input_modifier_line(buffer, arg->src[2], 2, src_name[2]);
shader_addline(buffer, "ADD TMP, -%s, coefdiv.x;\n", src_name[0]);
shader_addline(buffer, "CMP %s, TMP, %s, %s;\n", dst_name, src_name[1], src_name[2]);
}
void pshader_hw_cmp(SHADER_OPCODE_ARG* arg) {
SHADER_BUFFER* buffer = arg->buffer;
char dst_wmask[20];
char dst_name[50];
char src_name[3][50];
/* FIXME: support output modifiers */
/* Handle output register */
pshader_get_register_name(arg->dst, dst_name);
shader_arb_get_write_mask(arg->dst, dst_wmask);
strcat(dst_name, dst_wmask);
/* Generate input register names (with modifiers) */
pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src_name[0]);
pshader_gen_input_modifier_line(buffer, arg->src[1], 1, src_name[1]);
pshader_gen_input_modifier_line(buffer, arg->src[2], 2, src_name[2]);
shader_addline(buffer, "CMP %s, %s, %s, %s;\n", dst_name,
src_name[0], src_name[2], src_name[1]);
}
/* Map the opcode 1-to-1 to the GL code */
void pshader_hw_map2gl(SHADER_OPCODE_ARG* arg) {
CONST SHADER_OPCODE* curOpcode = arg->opcode;
SHADER_BUFFER* buffer = arg->buffer;
DWORD dst = arg->dst;
DWORD* src = arg->src;
unsigned int i;
char tmpLine[256];
/* Output token related */
char output_rname[256];
char output_wmask[20];
BOOL saturate = FALSE;
BOOL centroid = FALSE;
BOOL partialprecision = FALSE;
DWORD shift;
strcpy(tmpLine, curOpcode->glname);
/* Process modifiers */
if (0 != (dst & WINED3DSP_DSTMOD_MASK)) {
DWORD mask = dst & WINED3DSP_DSTMOD_MASK;
saturate = mask & WINED3DSPDM_SATURATE;
centroid = mask & WINED3DSPDM_MSAMPCENTROID;
partialprecision = mask & WINED3DSPDM_PARTIALPRECISION;
mask &= ~(WINED3DSPDM_MSAMPCENTROID | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_SATURATE);
if (mask)
FIXME("Unrecognized modifier(0x%#x)\n", mask >> WINED3DSP_DSTMOD_SHIFT);
if (centroid)
FIXME("Unhandled modifier(0x%#x)\n", mask >> WINED3DSP_DSTMOD_SHIFT);
}
shift = (dst & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
/* Generate input and output registers */
if (curOpcode->num_params > 0) {
char operands[4][100];
/* Generate input register names (with modifiers) */
for (i = 1; i < curOpcode->num_params; ++i)
pshader_gen_input_modifier_line(buffer, src[i-1], i-1, operands[i]);
/* Handle output register */
pshader_get_register_name(dst, output_rname);
strcpy(operands[0], output_rname);
shader_arb_get_write_mask(dst, output_wmask);
strcat(operands[0], output_wmask);
if (saturate && (shift == 0))
strcat(tmpLine, "_SAT");
strcat(tmpLine, " ");
strcat(tmpLine, operands[0]);
for (i = 1; i < curOpcode->num_params; i++) {
strcat(tmpLine, ", ");
strcat(tmpLine, operands[i]);
}
strcat(tmpLine,";\n");
shader_addline(buffer, tmpLine);
/* A shift requires another line. */
if (shift != 0)
pshader_gen_output_modifier_line(buffer, saturate, output_wmask, shift, output_rname);
}
}
void pshader_hw_tex(SHADER_OPCODE_ARG* arg) {
IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
DWORD dst = arg->dst;
DWORD* src = arg->src;
SHADER_BUFFER* buffer = arg->buffer;
DWORD hex_version = This->baseShader.hex_version;
char reg_dest[40];
char reg_coord[40];
DWORD reg_dest_code;
DWORD reg_sampler_code;
/* All versions have a destination register */
reg_dest_code = dst & WINED3DSP_REGNUM_MASK;
pshader_get_register_name(dst, reg_dest);
/* 1.0-1.3: Use destination register as coordinate source.
1.4+: Use provided coordinate source register. */
if (hex_version < WINED3DPS_VERSION(1,4))
strcpy(reg_coord, reg_dest);
else
pshader_gen_input_modifier_line(buffer, src[0], 0, reg_coord);
/* 1.0-1.4: Use destination register number as texture code.
2.0+: Use provided sampler number as texure code. */
if (hex_version < WINED3DPS_VERSION(2,0))
reg_sampler_code = reg_dest_code;
else
reg_sampler_code = src[1] & WINED3DSP_REGNUM_MASK;
shader_hw_sample(arg, reg_sampler_code, reg_dest, reg_coord, TRUE);
}
void pshader_hw_texcoord(SHADER_OPCODE_ARG* arg) {
IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
DWORD dst = arg->dst;
SHADER_BUFFER* buffer = arg->buffer;
DWORD hex_version = This->baseShader.hex_version;
char tmp[20];
shader_arb_get_write_mask(dst, tmp);
if (hex_version != WINED3DPS_VERSION(1,4)) {
DWORD reg = dst & WINED3DSP_REGNUM_MASK;
shader_addline(buffer, "MOV_SAT T%u%s, fragment.texcoord[%u];\n", reg, tmp, reg);
} else {
DWORD reg1 = dst & WINED3DSP_REGNUM_MASK;
char reg_src[40];
pshader_gen_input_modifier_line(buffer, arg->src[0], 0, reg_src);
shader_addline(buffer, "MOV R%u%s, %s;\n", reg1, tmp, reg_src);
}
}
void pshader_hw_texreg2ar(SHADER_OPCODE_ARG* arg) {
SHADER_BUFFER* buffer = arg->buffer;
DWORD reg1 = arg->dst & WINED3DSP_REGNUM_MASK;
DWORD reg2 = arg->src[0] & WINED3DSP_REGNUM_MASK;
char dst_str[8];
sprintf(dst_str, "T%u", reg1);
shader_addline(buffer, "MOV TMP.r, T%u.a;\n", reg2);
shader_addline(buffer, "MOV TMP.g, T%u.r;\n", reg2);
shader_hw_sample(arg, reg1, dst_str, "TMP", TRUE);
}
void pshader_hw_texreg2gb(SHADER_OPCODE_ARG* arg) {
SHADER_BUFFER* buffer = arg->buffer;
DWORD reg1 = arg->dst & WINED3DSP_REGNUM_MASK;
DWORD reg2 = arg->src[0] & WINED3DSP_REGNUM_MASK;
char dst_str[8];
sprintf(dst_str, "T%u", reg1);
shader_addline(buffer, "MOV TMP.r, T%u.g;\n", reg2);
shader_addline(buffer, "MOV TMP.g, T%u.b;\n", reg2);
shader_hw_sample(arg, reg1, dst_str, "TMP", TRUE);
}
void pshader_hw_texbem(SHADER_OPCODE_ARG* arg) {
IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
DWORD dst = arg->dst;
DWORD src = arg->src[0] & WINED3DSP_REGNUM_MASK;
SHADER_BUFFER* buffer = arg->buffer;
char reg_coord[40];
DWORD reg_dest_code;
/* All versions have a destination register */
reg_dest_code = dst & WINED3DSP_REGNUM_MASK;
/* Can directly use the name because texbem is only valid for <= 1.3 shaders */
pshader_get_register_name(dst, reg_coord);
if(This->bumpenvmatconst != -1) {
/* Sampling the perturbation map in Tsrc was done already, including the signedness correction if needed */
shader_addline(buffer, "SWZ TMP2, bumpenvmat, x, z, 0, 0;\n");
shader_addline(buffer, "DP3 TMP.r, TMP2, T%u;\n", src);
shader_addline(buffer, "SWZ TMP2, bumpenvmat, y, w, 0, 0;\n");
shader_addline(buffer, "DP3 TMP.g, TMP2, T%u;\n", src);
/* with projective textures, texbem only divides the static texture coord, not the displacement,
* so we can't let the GL handle this.
*/
if (((IWineD3DDeviceImpl*) This->baseShader.device)->stateBlock->textureState[reg_dest_code][WINED3DTSS_TEXTURETRANSFORMFLAGS]
& WINED3DTTFF_PROJECTED) {
shader_addline(buffer, "RCP TMP2.a, %s.a;\n", reg_coord);
shader_addline(buffer, "MUL TMP2.rg, %s, TMP2.a;\n", reg_coord);
shader_addline(buffer, "ADD TMP.rg, TMP, TMP2;\n");
} else {
shader_addline(buffer, "ADD TMP.rg, TMP, %s;\n", reg_coord);
}
shader_hw_sample(arg, reg_dest_code, reg_coord, "TMP", FALSE);
} else {
/* Without a bump matrix loaded, just sample with the unmodified coordinates */
shader_hw_sample(arg, reg_dest_code, reg_coord, reg_coord, TRUE);
}
}
void pshader_hw_texm3x2pad(SHADER_OPCODE_ARG* arg) {
DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK;
SHADER_BUFFER* buffer = arg->buffer;
char src0_name[50];
pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src0_name);
shader_addline(buffer, "DP3 TMP.x, T%u, %s;\n", reg, src0_name);
}
void pshader_hw_texm3x2tex(SHADER_OPCODE_ARG* arg) {
DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK;
SHADER_BUFFER* buffer = arg->buffer;
char dst_str[8];
char src0_name[50];
sprintf(dst_str, "T%u", reg);
pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src0_name);
shader_addline(buffer, "DP3 TMP.y, T%u, %s;\n", reg, src0_name);
shader_hw_sample(arg, reg, dst_str, "TMP", TRUE);
}
void pshader_hw_texm3x3pad(SHADER_OPCODE_ARG* arg) {
IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK;
SHADER_BUFFER* buffer = arg->buffer;
SHADER_PARSE_STATE* current_state = &This->baseShader.parse_state;
char src0_name[50];
pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src0_name);
shader_addline(buffer, "DP3 TMP.%c, T%u, %s;\n", 'x' + current_state->current_row, reg, src0_name);
current_state->texcoord_w[current_state->current_row++] = reg;
}
void pshader_hw_texm3x3tex(SHADER_OPCODE_ARG* arg) {
IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK;
SHADER_BUFFER* buffer = arg->buffer;
SHADER_PARSE_STATE* current_state = &This->baseShader.parse_state;
char dst_str[8];
char src0_name[50];
pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src0_name);
shader_addline(buffer, "DP3 TMP.z, T%u, %s;\n", reg, src0_name);
/* Sample the texture using the calculated coordinates */
sprintf(dst_str, "T%u", reg);
shader_hw_sample(arg, reg, dst_str, "TMP", TRUE);
current_state->current_row = 0;
}
void pshader_hw_texm3x3vspec(SHADER_OPCODE_ARG* arg) {
IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK;
SHADER_BUFFER* buffer = arg->buffer;
SHADER_PARSE_STATE* current_state = &This->baseShader.parse_state;
char dst_str[8];
char src0_name[50];
pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src0_name);
shader_addline(buffer, "DP3 TMP.z, T%u, %s;\n", reg, src0_name);
/* Construct the eye-ray vector from w coordinates */
shader_addline(buffer, "MOV TMP2.x, fragment.texcoord[%u].w;\n", current_state->texcoord_w[0]);
shader_addline(buffer, "MOV TMP2.y, fragment.texcoord[%u].w;\n", current_state->texcoord_w[1]);
shader_addline(buffer, "MOV TMP2.z, fragment.texcoord[%u].w;\n", reg);
/* Calculate reflection vector (Assume normal is normalized): RF = 2*(N.E)*N -E */
shader_addline(buffer, "DP3 TMP.w, TMP, TMP2;\n");
shader_addline(buffer, "MUL TMP, TMP.w, TMP;\n");
shader_addline(buffer, "MAD TMP, coefmul.x, TMP, -TMP2;\n");
/* Sample the texture using the calculated coordinates */
sprintf(dst_str, "T%u", reg);
shader_hw_sample(arg, reg, dst_str, "TMP", TRUE);
current_state->current_row = 0;
}
void pshader_hw_texm3x3spec(SHADER_OPCODE_ARG* arg) {
IWineD3DPixelShaderImpl* This = (IWineD3DPixelShaderImpl*) arg->shader;
DWORD reg = arg->dst & WINED3DSP_REGNUM_MASK;
DWORD reg3 = arg->src[1] & WINED3DSP_REGNUM_MASK;
SHADER_PARSE_STATE* current_state = &This->baseShader.parse_state;
SHADER_BUFFER* buffer = arg->buffer;
char dst_str[8];
char src0_name[50];
pshader_gen_input_modifier_line(buffer, arg->src[0], 0, src0_name);
shader_addline(buffer, "DP3 TMP.z, T%u, %s;\n", reg, src0_name);
/* Calculate reflection vector (Assume normal is normalized): RF = 2*(N.E)*N -E */
shader_addline(buffer, "DP3 TMP.w, TMP, C[%u];\n", reg3);
shader_addline(buffer, "MUL TMP, TMP.w, TMP;\n");
shader_addline(buffer, "MAD TMP, coefmul.x, TMP, -C[%u];\n", reg3);
/* Sample the texture using the calculated coordinates */
sprintf(dst_str, "T%u", reg);
shader_hw_sample(arg, reg, dst_str, "TMP", TRUE);
current_state->current_row = 0;
}
/** Handles transforming all WINED3DSIO_M?x? opcodes for
Vertex shaders to ARB_vertex_program codes */
void vshader_hw_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<<i);
tmpArg.src[1] = arg->src[1]+i;
vshader_hw_map2gl(&tmpArg);
}
}
void vshader_hw_rsq_rcp(SHADER_OPCODE_ARG* arg) {
CONST SHADER_OPCODE* curOpcode = arg->opcode;
SHADER_BUFFER* buffer = arg->buffer;
DWORD dst = arg->dst;
DWORD src = arg->src[0];
DWORD swizzle = (src & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
char tmpLine[256];
strcpy(tmpLine, curOpcode->glname); /* Opcode */
vshader_program_add_param(arg, dst, FALSE, tmpLine); /* Destination */
strcat(tmpLine, ",");
vshader_program_add_param(arg, src, TRUE, tmpLine);
if ((WINED3DSP_NOSWIZZLE >> WINED3DSP_SWIZZLE_SHIFT) == swizzle) {
/* Dx sdk says .x is used if no swizzle is given */
strcat(tmpLine, ".x");
}
shader_addline(buffer, "%s;\n", tmpLine);
}
/* TODO: merge with pixel shader */
/* Map the opcode 1-to-1 to the GL code */
void vshader_hw_map2gl(SHADER_OPCODE_ARG* arg) {
CONST SHADER_OPCODE* curOpcode = arg->opcode;
SHADER_BUFFER* buffer = arg->buffer;
DWORD dst = arg->dst;
DWORD* src = arg->src;
DWORD dst_regtype = shader_get_regtype(dst);
char tmpLine[256];
unsigned int i;
if ((curOpcode->opcode == WINED3DSIO_MOV && dst_regtype == WINED3DSPR_ADDR) || curOpcode->opcode == WINED3DSIO_MOVA)
strcpy(tmpLine, "ARL");
else
strcpy(tmpLine, curOpcode->glname);
if (curOpcode->num_params > 0) {
vshader_program_add_param(arg, dst, FALSE, tmpLine);
for (i = 1; i < curOpcode->num_params; ++i) {
strcat(tmpLine, ",");
vshader_program_add_param(arg, src[i-1], TRUE, tmpLine);
}
}
shader_addline(buffer, "%s;\n", tmpLine);
}
static GLuint create_arb_blt_vertex_program(WineD3D_GL_Info *gl_info) {
GLuint program_id = 0;
const char *blt_vprogram =
"!!ARBvp1.0\n"
"PARAM c[1] = { { 1, 0.5 } };\n"
"MOV result.position, vertex.position;\n"
"MOV result.color, c[0].x;\n"
"MAD result.texcoord[0].y, -vertex.position, c[0], c[0];\n"
"MAD result.texcoord[0].x, vertex.position, c[0].y, c[0].y;\n"
"END\n";
GL_EXTCALL(glGenProgramsARB(1, &program_id));
GL_EXTCALL(glBindProgramARB(GL_VERTEX_PROGRAM_ARB, program_id));
GL_EXTCALL(glProgramStringARB(GL_VERTEX_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, strlen(blt_vprogram), blt_vprogram));
if (glGetError() == GL_INVALID_OPERATION) {
GLint pos;
glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
FIXME("Vertex program error at position %d: %s\n", pos,
debugstr_a((const char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)));
}
return program_id;
}
static GLuint create_arb_blt_fragment_program(WineD3D_GL_Info *gl_info) {
GLuint program_id = 0;
const char *blt_fprogram =
"!!ARBfp1.0\n"
"TEMP R0;\n"
"TEX R0.x, fragment.texcoord[0], texture[0], 2D;\n"
"MOV result.depth.z, R0.x;\n"
"END\n";
GL_EXTCALL(glGenProgramsARB(1, &program_id));
GL_EXTCALL(glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, program_id));
GL_EXTCALL(glProgramStringARB(GL_FRAGMENT_PROGRAM_ARB, GL_PROGRAM_FORMAT_ASCII_ARB, strlen(blt_fprogram), blt_fprogram));
if (glGetError() == GL_INVALID_OPERATION) {
GLint pos;
glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
FIXME("Fragment program error at position %d: %s\n", pos,
debugstr_a((const char *)glGetString(GL_PROGRAM_ERROR_STRING_ARB)));
}
return program_id;
}
static void shader_arb_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {
IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
WineD3D_GL_Info *gl_info = &((IWineD3DImpl *)(This->wineD3D))->gl_info;
if (useVS) {
TRACE("Using vertex shader\n");
/* Bind the vertex program */
GL_EXTCALL(glBindProgramARB(GL_VERTEX_PROGRAM_ARB,
((IWineD3DVertexShaderImpl *)This->stateBlock->vertexShader)->baseShader.prgId));
checkGLcall("glBindProgramARB(GL_VERTEX_PROGRAM_ARB, vertexShader->prgId);");
/* Enable OpenGL vertex programs */
glEnable(GL_VERTEX_PROGRAM_ARB);
checkGLcall("glEnable(GL_VERTEX_PROGRAM_ARB);");
TRACE("(%p) : Bound vertex program %u and enabled GL_VERTEX_PROGRAM_ARB\n",
This, ((IWineD3DVertexShaderImpl *)This->stateBlock->vertexShader)->baseShader.prgId);
} else if(GL_SUPPORT(ARB_VERTEX_PROGRAM)) {
glDisable(GL_VERTEX_PROGRAM_ARB);
checkGLcall("glDisable(GL_VERTEX_PROGRAM_ARB)");
}
if (usePS) {
TRACE("Using pixel shader\n");
/* Bind the fragment program */
GL_EXTCALL(glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB,
((IWineD3DPixelShaderImpl *)This->stateBlock->pixelShader)->baseShader.prgId));
checkGLcall("glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, pixelShader->prgId);");
/* Enable OpenGL fragment programs */
glEnable(GL_FRAGMENT_PROGRAM_ARB);
checkGLcall("glEnable(GL_FRAGMENT_PROGRAM_ARB);");
TRACE("(%p) : Bound fragment program %u and enabled GL_FRAGMENT_PROGRAM_ARB\n",
This, ((IWineD3DPixelShaderImpl *)This->stateBlock->pixelShader)->baseShader.prgId);
} else if(GL_SUPPORT(ARB_FRAGMENT_PROGRAM)) {
glDisable(GL_FRAGMENT_PROGRAM_ARB);
checkGLcall("glDisable(GL_FRAGMENT_PROGRAM_ARB)");
}
}
static void shader_arb_select_depth_blt(IWineD3DDevice *iface) {
IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
WineD3D_GL_Info *gl_info = &((IWineD3DImpl *)(This->wineD3D))->gl_info;
static GLuint vprogram_id = 0;
static GLuint fprogram_id = 0;
if (!vprogram_id) vprogram_id = create_arb_blt_vertex_program(gl_info);
GL_EXTCALL(glBindProgramARB(GL_VERTEX_PROGRAM_ARB, vprogram_id));
glEnable(GL_VERTEX_PROGRAM_ARB);
if (!fprogram_id) fprogram_id = create_arb_blt_fragment_program(gl_info);
GL_EXTCALL(glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, fprogram_id));
glEnable(GL_FRAGMENT_PROGRAM_ARB);
}
static void shader_arb_cleanup(IWineD3DDevice *iface) {
IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
WineD3D_GL_Info *gl_info = &((IWineD3DImpl *)(This->wineD3D))->gl_info;
if (GL_SUPPORT(ARB_VERTEX_PROGRAM)) glDisable(GL_VERTEX_PROGRAM_ARB);
if (GL_SUPPORT(ARB_FRAGMENT_PROGRAM)) glDisable(GL_FRAGMENT_PROGRAM_ARB);
}
const shader_backend_t arb_program_shader_backend = {
&shader_arb_select,
&shader_arb_select_depth_blt,
&shader_arb_load_constants,
&shader_arb_cleanup
};
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