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wine/dlls/wined3d/pixelshader.c

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/*
* shaders implementation
*
* Copyright 2002-2003 Jason Edmeades
* Copyright 2002-2003 Raphael Junqueira
* Copyright 2004 Christian Costa
* Copyright 2005 Oliver Stieber
* Copyright 2006 Ivan Gyurdiev
* Copyright 2007-2008 Stefan Dösinger for CodeWeavers
*
* 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);
#define GLINFO_LOCATION ((IWineD3DDeviceImpl *) This->baseShader.device)->adapter->gl_info
static HRESULT WINAPI IWineD3DPixelShaderImpl_QueryInterface(IWineD3DPixelShader *iface, REFIID riid, LPVOID *ppobj) {
TRACE("iface %p, riid %s, ppobj %p\n", iface, debugstr_guid(riid), ppobj);
if (IsEqualGUID(riid, &IID_IWineD3DPixelShader)
|| IsEqualGUID(riid, &IID_IWineD3DBaseShader)
|| IsEqualGUID(riid, &IID_IWineD3DBase)
|| IsEqualGUID(riid, &IID_IUnknown))
{
IUnknown_AddRef(iface);
*ppobj = iface;
return S_OK;
}
WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));
*ppobj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI IWineD3DPixelShaderImpl_AddRef(IWineD3DPixelShader *iface) {
IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
ULONG refcount = InterlockedIncrement(&This->baseShader.ref);
TRACE("%p increasing refcount to %u\n", This, refcount);
return refcount;
}
static ULONG WINAPI IWineD3DPixelShaderImpl_Release(IWineD3DPixelShader *iface) {
IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
ULONG refcount = InterlockedDecrement(&This->baseShader.ref);
TRACE("%p decreasing refcount to %u\n", This, refcount);
if (!refcount)
{
shader_cleanup((IWineD3DBaseShader *)iface);
HeapFree(GetProcessHeap(), 0, This);
}
return refcount;
}
/* *******************************************
IWineD3DPixelShader IWineD3DPixelShader parts follow
******************************************* */
static HRESULT WINAPI IWineD3DPixelShaderImpl_GetParent(IWineD3DPixelShader *iface, IUnknown** parent){
IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
*parent = This->parent;
IUnknown_AddRef(*parent);
TRACE("(%p) : returning %p\n", This, *parent);
return WINED3D_OK;
}
static HRESULT WINAPI IWineD3DPixelShaderImpl_GetDevice(IWineD3DPixelShader* iface, IWineD3DDevice **pDevice){
IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)iface;
IWineD3DDevice_AddRef(This->baseShader.device);
*pDevice = This->baseShader.device;
TRACE("(%p) returning %p\n", This, *pDevice);
return WINED3D_OK;
}
static HRESULT WINAPI IWineD3DPixelShaderImpl_GetFunction(IWineD3DPixelShader* impl, VOID* pData, UINT* pSizeOfData) {
IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *)impl;
TRACE("(%p) : pData(%p), pSizeOfData(%p)\n", This, pData, pSizeOfData);
if (NULL == pData) {
*pSizeOfData = This->baseShader.functionLength;
return WINED3D_OK;
}
if (*pSizeOfData < This->baseShader.functionLength) {
/* MSDN claims (for d3d8 at least) that if *pSizeOfData is smaller
* than the required size we should write the required size and
* return D3DERR_MOREDATA. That's not actually true. */
return WINED3DERR_INVALIDCALL;
}
TRACE("(%p) : GetFunction copying to %p\n", This, pData);
memcpy(pData, This->baseShader.function, This->baseShader.functionLength);
return WINED3D_OK;
}
static void pshader_set_limits(
IWineD3DPixelShaderImpl *This) {
This->baseShader.limits.attributes = 0;
This->baseShader.limits.address = 0;
This->baseShader.limits.packed_output = 0;
switch (This->baseShader.reg_maps.shader_version)
{
case WINED3DPS_VERSION(1,0):
case WINED3DPS_VERSION(1,1):
case WINED3DPS_VERSION(1,2):
case WINED3DPS_VERSION(1,3):
This->baseShader.limits.temporary = 2;
This->baseShader.limits.constant_float = 8;
This->baseShader.limits.constant_int = 0;
This->baseShader.limits.constant_bool = 0;
This->baseShader.limits.texcoord = 4;
This->baseShader.limits.sampler = 4;
This->baseShader.limits.packed_input = 0;
This->baseShader.limits.label = 0;
break;
case WINED3DPS_VERSION(1,4):
This->baseShader.limits.temporary = 6;
This->baseShader.limits.constant_float = 8;
This->baseShader.limits.constant_int = 0;
This->baseShader.limits.constant_bool = 0;
This->baseShader.limits.texcoord = 6;
This->baseShader.limits.sampler = 6;
This->baseShader.limits.packed_input = 0;
This->baseShader.limits.label = 0;
break;
/* FIXME: temporaries must match D3DPSHADERCAPS2_0.NumTemps */
case WINED3DPS_VERSION(2,0):
This->baseShader.limits.temporary = 32;
This->baseShader.limits.constant_float = 32;
This->baseShader.limits.constant_int = 16;
This->baseShader.limits.constant_bool = 16;
This->baseShader.limits.texcoord = 8;
This->baseShader.limits.sampler = 16;
This->baseShader.limits.packed_input = 0;
break;
case WINED3DPS_VERSION(2,1):
This->baseShader.limits.temporary = 32;
This->baseShader.limits.constant_float = 32;
This->baseShader.limits.constant_int = 16;
This->baseShader.limits.constant_bool = 16;
This->baseShader.limits.texcoord = 8;
This->baseShader.limits.sampler = 16;
This->baseShader.limits.packed_input = 0;
This->baseShader.limits.label = 16;
break;
case WINED3DPS_VERSION(3,0):
This->baseShader.limits.temporary = 32;
This->baseShader.limits.constant_float = 224;
This->baseShader.limits.constant_int = 16;
This->baseShader.limits.constant_bool = 16;
This->baseShader.limits.texcoord = 0;
This->baseShader.limits.sampler = 16;
This->baseShader.limits.packed_input = 12;
This->baseShader.limits.label = 16; /* FIXME: 2048 */
break;
default: This->baseShader.limits.temporary = 32;
This->baseShader.limits.constant_float = 32;
This->baseShader.limits.constant_int = 16;
This->baseShader.limits.constant_bool = 16;
This->baseShader.limits.texcoord = 8;
This->baseShader.limits.sampler = 16;
This->baseShader.limits.packed_input = 0;
This->baseShader.limits.label = 0;
FIXME("Unrecognized pixel shader version %#x\n",
This->baseShader.reg_maps.shader_version);
}
}
static HRESULT WINAPI IWineD3DPixelShaderImpl_SetFunction(IWineD3DPixelShader *iface, CONST DWORD *pFunction) {
IWineD3DPixelShaderImpl *This =(IWineD3DPixelShaderImpl *)iface;
IWineD3DDeviceImpl *deviceImpl = (IWineD3DDeviceImpl *) This->baseShader.device;
unsigned int i, highest_reg_used = 0, num_regs_used = 0;
shader_reg_maps *reg_maps = &This->baseShader.reg_maps;
const struct wined3d_shader_frontend *fe;
HRESULT hr;
TRACE("(%p) : pFunction %p\n", iface, pFunction);
fe = shader_select_frontend(*pFunction);
if (!fe)
{
FIXME("Unable to find frontend for shader.\n");
return WINED3DERR_INVALIDCALL;
}
This->baseShader.frontend = fe;
This->baseShader.frontend_data = fe->shader_init(pFunction);
if (!This->baseShader.frontend_data)
{
FIXME("Failed to initialize frontend.\n");
return WINED3DERR_INVALIDCALL;
}
/* First pass: trace shader */
if (TRACE_ON(d3d_shader)) shader_trace_init(fe, This->baseShader.frontend_data, pFunction);
/* Initialize immediate constant lists */
list_init(&This->baseShader.constantsF);
list_init(&This->baseShader.constantsB);
list_init(&This->baseShader.constantsI);
/* Second pass: figure out which registers are used, what the semantics are, etc.. */
hr = shader_get_registers_used((IWineD3DBaseShader *)This, fe, reg_maps, This->semantics_in, NULL, pFunction);
if (FAILED(hr)) return hr;
pshader_set_limits(This);
for (i = 0; i < MAX_REG_INPUT; ++i)
{
if (This->input_reg_used[i])
{
++num_regs_used;
highest_reg_used = i;
}
}
/* Don't do any register mapping magic if it is not needed, or if we can't
* achieve anything anyway */
if (highest_reg_used < (GL_LIMITS(glsl_varyings) / 4)
|| num_regs_used > (GL_LIMITS(glsl_varyings) / 4))
{
if (num_regs_used > (GL_LIMITS(glsl_varyings) / 4))
{
/* This happens with relative addressing. The input mapper function
* warns about this if the higher registers are declared too, so
* don't write a FIXME here */
WARN("More varying registers used than supported\n");
}
for (i = 0; i < MAX_REG_INPUT; ++i)
{
This->input_reg_map[i] = i;
}
This->declared_in_count = highest_reg_used + 1;
}
else
{
This->declared_in_count = 0;
for (i = 0; i < MAX_REG_INPUT; ++i)
{
if (This->input_reg_used[i]) This->input_reg_map[i] = This->declared_in_count++;
else This->input_reg_map[i] = ~0U;
}
}
This->baseShader.load_local_constsF = FALSE;
This->baseShader.shader_mode = deviceImpl->ps_selected_mode;
TRACE("(%p) : Copying the function\n", This);
This->baseShader.function = HeapAlloc(GetProcessHeap(), 0, This->baseShader.functionLength);
if (!This->baseShader.function) return E_OUTOFMEMORY;
memcpy(This->baseShader.function, pFunction, This->baseShader.functionLength);
return WINED3D_OK;
}
static void pixelshader_update_samplers(struct shader_reg_maps *reg_maps, IWineD3DBaseTexture * const *textures)
{
DWORD shader_version = reg_maps->shader_version;
WINED3DSAMPLER_TEXTURE_TYPE *sampler_type = reg_maps->sampler_type;
unsigned int i;
if (WINED3DSHADER_VERSION_MAJOR(shader_version) != 1) return;
for (i = 0; i < max(MAX_FRAGMENT_SAMPLERS, MAX_VERTEX_SAMPLERS); ++i)
{
/* We don't sample from this sampler */
if (!sampler_type[i]) continue;
if (!textures[i])
{
ERR("No texture bound to sampler %u, using 2D\n", i);
sampler_type[i] = WINED3DSTT_2D;
continue;
}
switch (IWineD3DBaseTexture_GetTextureDimensions(textures[i]))
{
case GL_TEXTURE_RECTANGLE_ARB:
case GL_TEXTURE_2D:
/* We have to select between texture rectangles and 2D textures later because 2.0 and
* 3.0 shaders only have WINED3DSTT_2D as well */
sampler_type[i] = WINED3DSTT_2D;
break;
case GL_TEXTURE_3D:
sampler_type[i] = WINED3DSTT_VOLUME;
break;
case GL_TEXTURE_CUBE_MAP_ARB:
sampler_type[i] = WINED3DSTT_CUBE;
break;
default:
FIXME("Unrecognized texture type %#x, using 2D\n",
IWineD3DBaseTexture_GetTextureDimensions(textures[i]));
sampler_type[i] = WINED3DSTT_2D;
}
}
}
static GLuint pixelshader_compile(IWineD3DPixelShaderImpl *This, const struct ps_compile_args *args)
{
CONST DWORD *function = This->baseShader.function;
GLuint retval;
SHADER_BUFFER buffer;
const struct wined3d_shader_frontend *fe;
IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device;
TRACE("(%p) : function %p\n", This, function);
fe = shader_select_frontend(This->baseShader.reg_maps.shader_version);
if (!fe)
{
FIXME("Unable to find frontend for shader.\n");
return WINED3DERR_INVALIDCALL;
}
pixelshader_update_samplers(&This->baseShader.reg_maps,
((IWineD3DDeviceImpl *)This->baseShader.device)->stateBlock->textures);
/* Generate the HW shader */
TRACE("(%p) : Generating hardware program\n", This);
This->cur_args = args;
shader_buffer_init(&buffer);
retval = device->shader_backend->shader_generate_pshader((IWineD3DPixelShader *)This, &buffer, args);
shader_buffer_free(&buffer);
This->cur_args = NULL;
return retval;
}
const IWineD3DPixelShaderVtbl IWineD3DPixelShader_Vtbl =
{
/*** IUnknown methods ***/
IWineD3DPixelShaderImpl_QueryInterface,
IWineD3DPixelShaderImpl_AddRef,
IWineD3DPixelShaderImpl_Release,
/*** IWineD3DBase methods ***/
IWineD3DPixelShaderImpl_GetParent,
/*** IWineD3DBaseShader methods ***/
IWineD3DPixelShaderImpl_SetFunction,
/*** IWineD3DPixelShader methods ***/
IWineD3DPixelShaderImpl_GetDevice,
IWineD3DPixelShaderImpl_GetFunction
};
void find_ps_compile_args(IWineD3DPixelShaderImpl *shader, IWineD3DStateBlockImpl *stateblock, struct ps_compile_args *args) {
UINT i;
IWineD3DBaseTextureImpl *tex;
memset(args, 0, sizeof(*args)); /* FIXME: Make sure all bits are set */
args->srgb_correction = stateblock->renderState[WINED3DRS_SRGBWRITEENABLE] ? 1 : 0;
args->np2_fixup = 0;
for(i = 0; i < MAX_FRAGMENT_SAMPLERS; i++) {
if (!shader->baseShader.reg_maps.sampler_type[i]) continue;
tex = (IWineD3DBaseTextureImpl *) stateblock->textures[i];
if(!tex) {
args->color_fixup[i] = COLOR_FIXUP_IDENTITY;
continue;
}
args->color_fixup[i] = tex->resource.format_desc->color_fixup;
/* Flag samplers that need NP2 texcoord fixup. */
if(!tex->baseTexture.pow2Matrix_identity) {
args->np2_fixup |= (1 << i);
}
}
if (shader->baseShader.reg_maps.shader_version >= WINED3DPS_VERSION(3,0))
{
if (((IWineD3DDeviceImpl *)shader->baseShader.device)->strided_streams.position_transformed)
{
args->vp_mode = pretransformed;
}
else if (use_vs(stateblock))
{
args->vp_mode = vertexshader;
} else {
args->vp_mode = fixedfunction;
}
args->fog = FOG_OFF;
} else {
args->vp_mode = vertexshader;
if(stateblock->renderState[WINED3DRS_FOGENABLE]) {
switch(stateblock->renderState[WINED3DRS_FOGTABLEMODE]) {
case WINED3DFOG_NONE:
if (((IWineD3DDeviceImpl *)shader->baseShader.device)->strided_streams.position_transformed
|| use_vs(stateblock))
{
args->fog = FOG_LINEAR;
break;
}
switch(stateblock->renderState[WINED3DRS_FOGVERTEXMODE]) {
case WINED3DFOG_NONE: /* Drop through */
case WINED3DFOG_LINEAR: args->fog = FOG_LINEAR; break;
case WINED3DFOG_EXP: args->fog = FOG_EXP; break;
case WINED3DFOG_EXP2: args->fog = FOG_EXP2; break;
}
break;
case WINED3DFOG_LINEAR: args->fog = FOG_LINEAR; break;
case WINED3DFOG_EXP: args->fog = FOG_EXP; break;
case WINED3DFOG_EXP2: args->fog = FOG_EXP2; break;
}
} else {
args->fog = FOG_OFF;
}
}
}
GLuint find_gl_pshader(IWineD3DPixelShaderImpl *shader, const struct ps_compile_args *args)
{
UINT i;
DWORD new_size;
struct ps_compiled_shader *new_array;
/* Usually we have very few GL shaders for each d3d shader(just 1 or maybe 2),
* so a linear search is more performant than a hashmap or a binary search
* (cache coherency etc)
*/
for(i = 0; i < shader->num_gl_shaders; i++) {
if(memcmp(&shader->gl_shaders[i].args, args, sizeof(*args)) == 0) {
return shader->gl_shaders[i].prgId;
}
}
TRACE("No matching GL shader found, compiling a new shader\n");
if(shader->shader_array_size == shader->num_gl_shaders) {
if (shader->num_gl_shaders)
{
new_size = shader->shader_array_size + max(1, shader->shader_array_size / 2);
new_array = HeapReAlloc(GetProcessHeap(), 0, shader->gl_shaders,
new_size * sizeof(*shader->gl_shaders));
} else {
new_array = HeapAlloc(GetProcessHeap(), 0, sizeof(*shader->gl_shaders));
new_size = 1;
}
if(!new_array) {
ERR("Out of memory\n");
return 0;
}
shader->gl_shaders = new_array;
shader->shader_array_size = new_size;
}
shader->gl_shaders[shader->num_gl_shaders].args = *args;
shader->gl_shaders[shader->num_gl_shaders].prgId = pixelshader_compile(shader, args);
return shader->gl_shaders[shader->num_gl_shaders++].prgId;
}
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