1733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt/************************************************************************** 2733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * 3877128505431adaf817dc8069172ebe4a1cdf5d8José Fonseca * Copyright 2006 VMware, Inc. 4733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * All Rights Reserved. 5733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * 6733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * Permission is hereby granted, free of charge, to any person obtaining a 7733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * copy of this software and associated documentation files (the 8733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * "Software"), to deal in the Software without restriction, including 9733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * without limitation the rights to use, copy, modify, merge, publish, 10733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * distribute, sub license, and/or sell copies of the Software, and to 11733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * permit persons to whom the Software is furnished to do so, subject to 12733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * the following conditions: 13733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * 14733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * The above copyright notice and this permission notice (including the 15733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * next paragraph) shall be included in all copies or substantial portionsalloc 16733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * of the Software. 17733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * 18733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21877128505431adaf817dc8069172ebe4a1cdf5d8José Fonseca * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * 26733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt **************************************************************************/ 27733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 28733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt#include "main/accum.h" 29733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt#include "main/enums.h" 30733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt#include "main/state.h" 31733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt#include "main/bufferobj.h" 32733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt#include "main/context.h" 33733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt#include "swrast/swrast.h" 34733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 35733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt#include "intel_context.h" 36733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt#include "intel_pixel.h" 37733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt#include "intel_regions.h" 38733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 39733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt#define FILE_DEBUG_FLAG DEBUG_PIXEL 40733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 41733d32f3765be84a7e908df7e99a278cadcee853Eric Anholtstatic GLenum 42733d32f3765be84a7e908df7e99a278cadcee853Eric Anholteffective_func(GLenum func, bool src_alpha_is_one) 43733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt{ 44733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt if (src_alpha_is_one) { 45733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt if (func == GL_SRC_ALPHA) 46733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return GL_ONE; 47733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt if (func == GL_ONE_MINUS_SRC_ALPHA) 48733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return GL_ZERO; 49733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt } 50733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 51733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return func; 52733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt} 53733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 54733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt/** 55733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * Check if any fragment operations are in effect which might effect 56733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt * glDraw/CopyPixels. 57733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt */ 58733d32f3765be84a7e908df7e99a278cadcee853Eric Anholtbool 59733d32f3765be84a7e908df7e99a278cadcee853Eric Anholtintel_check_blit_fragment_ops(struct gl_context * ctx, bool src_alpha_is_one) 60733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt{ 61733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt if (ctx->NewState) 62733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt _mesa_update_state(ctx); 63733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 64733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt if (ctx->FragmentProgram._Enabled) { 65733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt DBG("fallback due to fragment program\n"); 66733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return false; 67733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt } 68733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 69733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt if (ctx->Color.BlendEnabled && 70733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt (effective_func(ctx->Color.Blend[0].SrcRGB, src_alpha_is_one) != GL_ONE || 71733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt effective_func(ctx->Color.Blend[0].DstRGB, src_alpha_is_one) != GL_ZERO || 72733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt ctx->Color.Blend[0].EquationRGB != GL_FUNC_ADD || 73733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt effective_func(ctx->Color.Blend[0].SrcA, src_alpha_is_one) != GL_ONE || 74733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt effective_func(ctx->Color.Blend[0].DstA, src_alpha_is_one) != GL_ZERO || 75733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt ctx->Color.Blend[0].EquationA != GL_FUNC_ADD)) { 76733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt DBG("fallback due to blend\n"); 77733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return false; 78733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt } 79733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 80c703658b3965bf2e4f3593a0d54be03e8e8b1436Eric Anholt if (ctx->Texture._MaxEnabledTexImageUnit != -1) { 81733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt DBG("fallback due to texturing\n"); 82733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return false; 83733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt } 84733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 85733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt if (!(ctx->Color.ColorMask[0][0] && 86733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt ctx->Color.ColorMask[0][1] && 87733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt ctx->Color.ColorMask[0][2] && 88733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt ctx->Color.ColorMask[0][3])) { 89733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt DBG("fallback due to color masking\n"); 90733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return false; 91733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt } 92733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 93733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt if (ctx->Color.AlphaEnabled) { 94733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt DBG("fallback due to alpha\n"); 95733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return false; 96733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt } 97733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 98733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt if (ctx->Depth.Test) { 99733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt DBG("fallback due to depth test\n"); 100733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return false; 101733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt } 102733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 103733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt if (ctx->Fog.Enabled) { 104733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt DBG("fallback due to fog\n"); 105733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return false; 106733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt } 107733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 108733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt if (ctx->_ImageTransferState) { 109733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt DBG("fallback due to image transfer\n"); 110733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return false; 111733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt } 112733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 113733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt if (ctx->Stencil._Enabled) { 114733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt DBG("fallback due to image stencil\n"); 115733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return false; 116733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt } 117733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 118733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt if (ctx->RenderMode != GL_RENDER) { 119733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt DBG("fallback due to render mode\n"); 120733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return false; 121733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt } 122733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 123733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt return true; 124733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt} 125733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 126733d32f3765be84a7e908df7e99a278cadcee853Eric Anholtvoid 127733d32f3765be84a7e908df7e99a278cadcee853Eric AnholtintelInitPixelFuncs(struct dd_function_table *functions) 128733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt{ 129733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt functions->Bitmap = intelBitmap; 130733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt functions->CopyPixels = intelCopyPixels; 131733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt functions->DrawPixels = intelDrawPixels; 132733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt functions->ReadPixels = intelReadPixels; 133733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt} 134733d32f3765be84a7e908df7e99a278cadcee853Eric Anholt 135