385 lines
15 KiB
C
385 lines
15 KiB
C
/*
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* shaders implementation
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*
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* Copyright 2002-2003 Jason Edmeades
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* Copyright 2002-2003 Raphael Junqueira
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* Copyright 2004 Christian Costa
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* Copyright 2005 Oliver Stieber
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* Copyright 2006 Ivan Gyurdiev
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* Copyright 2007-2008 Stefan Dösinger for CodeWeavers
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* Copyright 2009 Henri Verbeet for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <math.h>
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#include <stdio.h>
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#include "wined3d_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
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#define GLINFO_LOCATION ((IWineD3DDeviceImpl *)This->baseShader.device)->adapter->gl_info
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static void vshader_set_limits(IWineD3DVertexShaderImpl *This)
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{
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const struct wined3d_gl_info *gl_info = &((IWineD3DDeviceImpl *)This->baseShader.device)->adapter->gl_info;
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DWORD shader_version = WINED3D_SHADER_VERSION(This->baseShader.reg_maps.shader_version.major,
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This->baseShader.reg_maps.shader_version.minor);
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This->baseShader.limits.texcoord = 0;
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This->baseShader.limits.attributes = 16;
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This->baseShader.limits.packed_input = 0;
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switch (shader_version)
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{
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case WINED3D_SHADER_VERSION(1,0):
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case WINED3D_SHADER_VERSION(1,1):
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This->baseShader.limits.temporary = 12;
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This->baseShader.limits.constant_bool = 0;
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This->baseShader.limits.constant_int = 0;
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This->baseShader.limits.address = 1;
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This->baseShader.limits.packed_output = 0;
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This->baseShader.limits.sampler = 0;
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This->baseShader.limits.label = 0;
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/* TODO: vs_1_1 has a minimum of 96 constants. What happens if a vs_1_1 shader is used
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* on a vs_3_0 capable card that has 256 constants? */
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This->baseShader.limits.constant_float = min(256, gl_info->max_vshader_constantsF);
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break;
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case WINED3D_SHADER_VERSION(2,0):
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case WINED3D_SHADER_VERSION(2,1):
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This->baseShader.limits.temporary = 12;
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This->baseShader.limits.constant_bool = 16;
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This->baseShader.limits.constant_int = 16;
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This->baseShader.limits.address = 1;
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This->baseShader.limits.packed_output = 0;
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This->baseShader.limits.sampler = 0;
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This->baseShader.limits.label = 16;
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This->baseShader.limits.constant_float = min(256, gl_info->max_vshader_constantsF);
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break;
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case WINED3D_SHADER_VERSION(4,0):
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FIXME("Using 3.0 limits for 4.0 shader\n");
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/* Fall through */
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case WINED3D_SHADER_VERSION(3,0):
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This->baseShader.limits.temporary = 32;
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This->baseShader.limits.constant_bool = 32;
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This->baseShader.limits.constant_int = 32;
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This->baseShader.limits.address = 1;
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This->baseShader.limits.packed_output = 12;
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This->baseShader.limits.sampler = 4;
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This->baseShader.limits.label = 16; /* FIXME: 2048 */
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/* DX10 cards on Windows advertise a d3d9 constant limit of 256 even though they are capable
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* of supporting much more(GL drivers advertise 1024). d3d9.dll and d3d8.dll clamp the
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* wined3d-advertised maximum. Clamp the constant limit for <= 3.0 shaders to 256.s
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* use constant buffers */
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This->baseShader.limits.constant_float = min(256, gl_info->max_vshader_constantsF);
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break;
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default:
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This->baseShader.limits.temporary = 12;
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This->baseShader.limits.constant_bool = 16;
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This->baseShader.limits.constant_int = 16;
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This->baseShader.limits.address = 1;
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This->baseShader.limits.packed_output = 0;
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This->baseShader.limits.sampler = 0;
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This->baseShader.limits.label = 16;
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This->baseShader.limits.constant_float = min(256, gl_info->max_vshader_constantsF);
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FIXME("Unrecognized vertex shader version %u.%u\n",
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This->baseShader.reg_maps.shader_version.major,
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This->baseShader.reg_maps.shader_version.minor);
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}
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}
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static BOOL match_usage(BYTE usage1, BYTE usage_idx1, BYTE usage2, BYTE usage_idx2) {
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if (usage_idx1 != usage_idx2) return FALSE;
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if (usage1 == usage2) return TRUE;
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if (usage1 == WINED3DDECLUSAGE_POSITION && usage2 == WINED3DDECLUSAGE_POSITIONT) return TRUE;
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if (usage2 == WINED3DDECLUSAGE_POSITION && usage1 == WINED3DDECLUSAGE_POSITIONT) return TRUE;
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return FALSE;
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}
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BOOL vshader_get_input(IWineD3DVertexShader* iface, BYTE usage_req, BYTE usage_idx_req, unsigned int *regnum)
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{
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IWineD3DVertexShaderImpl *This = (IWineD3DVertexShaderImpl *)iface;
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WORD map = This->baseShader.reg_maps.input_registers;
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unsigned int i;
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for (i = 0; map; map >>= 1, ++i)
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{
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if (!(map & 1)) continue;
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if (match_usage(This->attributes[i].usage,
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This->attributes[i].usage_idx, usage_req, usage_idx_req))
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{
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*regnum = i;
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return TRUE;
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}
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}
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return FALSE;
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}
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/* *******************************************
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IWineD3DVertexShader IUnknown parts follow
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******************************************* */
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static HRESULT WINAPI IWineD3DVertexShaderImpl_QueryInterface(IWineD3DVertexShader *iface, REFIID riid, LPVOID *ppobj) {
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TRACE("iface %p, riid %s, ppobj %p\n", iface, debugstr_guid(riid), ppobj);
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if (IsEqualGUID(riid, &IID_IWineD3DVertexShader)
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|| IsEqualGUID(riid, &IID_IWineD3DBaseShader)
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|| IsEqualGUID(riid, &IID_IWineD3DBase)
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|| IsEqualGUID(riid, &IID_IUnknown))
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{
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IUnknown_AddRef(iface);
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*ppobj = iface;
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return S_OK;
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}
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WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));
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*ppobj = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI IWineD3DVertexShaderImpl_AddRef(IWineD3DVertexShader *iface) {
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IWineD3DVertexShaderImpl *This = (IWineD3DVertexShaderImpl *)iface;
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ULONG refcount = InterlockedIncrement(&This->baseShader.ref);
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TRACE("%p increasing refcount to %u\n", This, refcount);
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return refcount;
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}
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static ULONG WINAPI IWineD3DVertexShaderImpl_Release(IWineD3DVertexShader *iface) {
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IWineD3DVertexShaderImpl *This = (IWineD3DVertexShaderImpl *)iface;
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ULONG refcount = InterlockedDecrement(&This->baseShader.ref);
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TRACE("%p decreasing refcount to %u\n", This, refcount);
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if (!refcount)
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{
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shader_cleanup((IWineD3DBaseShader *)iface);
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This->baseShader.parent_ops->wined3d_object_destroyed(This->baseShader.parent);
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HeapFree(GetProcessHeap(), 0, This);
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}
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return refcount;
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}
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/* *******************************************
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IWineD3DVertexShader IWineD3DVertexShader parts follow
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******************************************* */
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static HRESULT WINAPI IWineD3DVertexShaderImpl_GetParent(IWineD3DVertexShader *iface, IUnknown** parent){
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IWineD3DVertexShaderImpl *This = (IWineD3DVertexShaderImpl *)iface;
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*parent = This->baseShader.parent;
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IUnknown_AddRef(*parent);
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TRACE("(%p) : returning %p\n", This, *parent);
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return WINED3D_OK;
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}
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static HRESULT WINAPI IWineD3DVertexShaderImpl_GetDevice(IWineD3DVertexShader* iface, IWineD3DDevice **pDevice){
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IWineD3DVertexShaderImpl *This = (IWineD3DVertexShaderImpl *)iface;
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IWineD3DDevice_AddRef(This->baseShader.device);
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*pDevice = This->baseShader.device;
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TRACE("(%p) returning %p\n", This, *pDevice);
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return WINED3D_OK;
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}
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static HRESULT WINAPI IWineD3DVertexShaderImpl_GetFunction(IWineD3DVertexShader* impl, VOID* pData, UINT* pSizeOfData) {
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IWineD3DVertexShaderImpl *This = (IWineD3DVertexShaderImpl *)impl;
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TRACE("(%p) : pData(%p), pSizeOfData(%p)\n", This, pData, pSizeOfData);
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if (NULL == pData) {
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*pSizeOfData = This->baseShader.functionLength;
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return WINED3D_OK;
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}
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if (*pSizeOfData < This->baseShader.functionLength) {
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/* MSDN claims (for d3d8 at least) that if *pSizeOfData is smaller
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* than the required size we should write the required size and
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* return D3DERR_MOREDATA. That's not actually true. */
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return WINED3DERR_INVALIDCALL;
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}
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TRACE("(%p) : GetFunction copying to %p\n", This, pData);
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memcpy(pData, This->baseShader.function, This->baseShader.functionLength);
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return WINED3D_OK;
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}
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static HRESULT vertexshader_set_function(IWineD3DVertexShaderImpl *shader,
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const DWORD *byte_code, const struct wined3d_shader_signature *output_signature)
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{
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IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *)shader->baseShader.device;
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const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
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const struct wined3d_shader_frontend *fe;
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unsigned int i;
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HRESULT hr;
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shader_reg_maps *reg_maps = &shader->baseShader.reg_maps;
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TRACE("shader %p, byte_code %p, output_signature %p.\n", shader, byte_code, output_signature);
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fe = shader_select_frontend(*byte_code);
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if (!fe)
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{
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FIXME("Unable to find frontend for shader.\n");
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return WINED3DERR_INVALIDCALL;
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}
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shader->baseShader.frontend = fe;
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shader->baseShader.frontend_data = fe->shader_init(byte_code, output_signature);
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if (!shader->baseShader.frontend_data)
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{
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FIXME("Failed to initialize frontend.\n");
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return WINED3DERR_INVALIDCALL;
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}
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/* First pass: trace shader */
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if (TRACE_ON(d3d_shader)) shader_trace_init(fe, shader->baseShader.frontend_data, byte_code);
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/* Initialize immediate constant lists */
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list_init(&shader->baseShader.constantsF);
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list_init(&shader->baseShader.constantsB);
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list_init(&shader->baseShader.constantsI);
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/* Second pass: figure out registers used, semantics, etc.. */
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shader->min_rel_offset = gl_info->max_vshader_constantsF;
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shader->max_rel_offset = 0;
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hr = shader_get_registers_used((IWineD3DBaseShader *)shader, fe,
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reg_maps, shader->attributes, NULL, shader->output_signature,
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byte_code, gl_info->max_vshader_constantsF);
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if (hr != WINED3D_OK) return hr;
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if (output_signature)
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{
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for (i = 0; i < output_signature->element_count; ++i)
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{
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struct wined3d_shader_signature_element *e = &output_signature->elements[i];
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reg_maps->output_registers |= 1 << e->register_idx;
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shader->output_signature[e->register_idx] = *e;
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}
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}
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vshader_set_limits(shader);
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if (device->vs_selected_mode == SHADER_ARB
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&& (gl_info->quirks & WINED3D_QUIRK_ARB_VS_OFFSET_LIMIT)
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&& shader->min_rel_offset <= shader->max_rel_offset)
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{
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if (shader->max_rel_offset - shader->min_rel_offset > 127)
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{
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FIXME("The difference between the minimum and maximum relative offset is > 127\n");
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FIXME("Which this OpenGL implementation does not support. Try using GLSL\n");
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FIXME("Min: %d, Max: %d\n", shader->min_rel_offset, shader->max_rel_offset);
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}
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else if (shader->max_rel_offset - shader->min_rel_offset > 63)
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{
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shader->rel_offset = shader->min_rel_offset + 63;
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}
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else if (shader->max_rel_offset > 63)
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{
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shader->rel_offset = shader->min_rel_offset;
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}
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else
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{
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shader->rel_offset = 0;
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}
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}
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shader->baseShader.load_local_constsF = shader->baseShader.reg_maps.usesrelconstF
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&& !list_empty(&shader->baseShader.constantsF);
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/* copy the function ... because it will certainly be released by application */
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shader->baseShader.function = HeapAlloc(GetProcessHeap(), 0, shader->baseShader.functionLength);
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if (!shader->baseShader.function) return E_OUTOFMEMORY;
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memcpy(shader->baseShader.function, byte_code, shader->baseShader.functionLength);
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return WINED3D_OK;
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}
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/* Set local constants for d3d8 shaders */
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static HRESULT WINAPI IWIneD3DVertexShaderImpl_SetLocalConstantsF(IWineD3DVertexShader *iface,
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UINT start_idx, const float *src_data, UINT count) {
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IWineD3DVertexShaderImpl *This =(IWineD3DVertexShaderImpl *)iface;
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const struct wined3d_gl_info *gl_info = &((IWineD3DDeviceImpl *)This->baseShader.device)->adapter->gl_info;
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UINT i, end_idx;
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TRACE("(%p) : start_idx %u, src_data %p, count %u\n", This, start_idx, src_data, count);
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end_idx = start_idx + count;
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if (end_idx > gl_info->max_vshader_constantsF)
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{
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WARN("end_idx %u > float constants limit %u\n", end_idx, gl_info->max_vshader_constantsF);
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end_idx = gl_info->max_vshader_constantsF;
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}
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for (i = start_idx; i < end_idx; ++i) {
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local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
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if (!lconst) return E_OUTOFMEMORY;
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lconst->idx = i;
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memcpy(lconst->value, src_data + (i - start_idx) * 4 /* 4 components */, 4 * sizeof(float));
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list_add_head(&This->baseShader.constantsF, &lconst->entry);
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}
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return WINED3D_OK;
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}
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static const IWineD3DVertexShaderVtbl IWineD3DVertexShader_Vtbl =
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{
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/*** IUnknown methods ***/
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IWineD3DVertexShaderImpl_QueryInterface,
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IWineD3DVertexShaderImpl_AddRef,
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IWineD3DVertexShaderImpl_Release,
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/*** IWineD3DBase methods ***/
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IWineD3DVertexShaderImpl_GetParent,
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/*** IWineD3DBaseShader methods ***/
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IWineD3DVertexShaderImpl_GetDevice,
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IWineD3DVertexShaderImpl_GetFunction,
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/*** IWineD3DVertexShader methods ***/
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IWIneD3DVertexShaderImpl_SetLocalConstantsF
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};
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void find_vs_compile_args(IWineD3DVertexShaderImpl *shader, IWineD3DStateBlockImpl *stateblock, struct vs_compile_args *args) {
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args->fog_src = stateblock->renderState[WINED3DRS_FOGTABLEMODE] == WINED3DFOG_NONE ? VS_FOG_COORD : VS_FOG_Z;
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args->swizzle_map = ((IWineD3DDeviceImpl *)shader->baseShader.device)->strided_streams.swizzle_map;
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}
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HRESULT vertexshader_init(IWineD3DVertexShaderImpl *shader, IWineD3DDeviceImpl *device,
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const DWORD *byte_code, const struct wined3d_shader_signature *output_signature,
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IUnknown *parent, const struct wined3d_parent_ops *parent_ops)
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{
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HRESULT hr;
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if (!byte_code) return WINED3DERR_INVALIDCALL;
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shader->lpVtbl = &IWineD3DVertexShader_Vtbl;
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shader_init(&shader->baseShader, device, parent, parent_ops);
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hr = vertexshader_set_function(shader, byte_code, output_signature);
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if (FAILED(hr))
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{
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WARN("Failed to set function, hr %#x.\n", hr);
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shader_cleanup((IWineD3DBaseShader *)shader);
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return hr;
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}
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return WINED3D_OK;
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}
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