1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portionsalloc 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/accum.h" 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/enums.h" 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/state.h" 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/bufferobj.h" 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "main/context.h" 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "swrast/swrast.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "intel_context.h" 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "intel_pixel.h" 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "intel_regions.h" 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#define FILE_DEBUG_FLAG DEBUG_PIXEL 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic GLenum 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgeffective_func(GLenum func, bool src_alpha_is_one) 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (src_alpha_is_one) { 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (func == GL_SRC_ALPHA) 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return GL_ONE; 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (func == GL_ONE_MINUS_SRC_ALPHA) 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return GL_ZERO; 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return func; 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Check if any fragment operations are in effect which might effect 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * glDraw/CopyPixels. 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbool 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgintel_check_blit_fragment_ops(struct gl_context * ctx, bool src_alpha_is_one) 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->NewState) 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_update_state(ctx); 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->FragmentProgram._Enabled) { 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG("fallback due to fragment program\n"); 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Color.BlendEnabled && 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (effective_func(ctx->Color.Blend[0].SrcRGB, src_alpha_is_one) != GL_ONE || 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org effective_func(ctx->Color.Blend[0].DstRGB, src_alpha_is_one) != GL_ZERO || 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Color.Blend[0].EquationRGB != GL_FUNC_ADD || 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org effective_func(ctx->Color.Blend[0].SrcA, src_alpha_is_one) != GL_ONE || 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org effective_func(ctx->Color.Blend[0].DstA, src_alpha_is_one) != GL_ZERO || 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Color.Blend[0].EquationA != GL_FUNC_ADD)) { 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG("fallback due to blend\n"); 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Texture._EnabledUnits) { 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG("fallback due to texturing\n"); 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (!(ctx->Color.ColorMask[0][0] && 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Color.ColorMask[0][1] && 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Color.ColorMask[0][2] && 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ctx->Color.ColorMask[0][3])) { 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG("fallback due to color masking\n"); 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Color.AlphaEnabled) { 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG("fallback due to alpha\n"); 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Depth.Test) { 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG("fallback due to depth test\n"); 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Fog.Enabled) { 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG("fallback due to fog\n"); 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->_ImageTransferState) { 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG("fallback due to image transfer\n"); 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->Stencil._Enabled) { 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG("fallback due to image stencil\n"); 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ctx->RenderMode != GL_RENDER) { 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG("fallback due to render mode\n"); 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return true; 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* The intel_region struct doesn't really do enough to capture the 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * format of the pixels in the region. For now this code assumes that 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the region is a display surface and hence is either ARGB8888 or 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * RGB565. 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * XXX FBO: If we'd pass in the intel_renderbuffer instead of region, we'd 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * know the buffer's pixel format. 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param format as given to glDraw/ReadPixels 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * \param type as given to glDraw/ReadPixels 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgbool 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgintel_check_blit_format(struct intel_region * region, 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org GLenum format, GLenum type) 139f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 140f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (region->cpp == 4 && 141f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (type == GL_UNSIGNED_INT_8_8_8_8_REV || 142f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org type == GL_UNSIGNED_BYTE) && format == GL_BGRA) { 143f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return true; 144f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 145f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 146f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (region->cpp == 2 && 147f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org type == GL_UNSIGNED_SHORT_5_6_5_REV && format == GL_BGR) { 148f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return true; 149f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 150f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 151f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org DBG("%s: bad format for blit (cpp %d, type %s format %s)\n", 152f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org __FUNCTION__, region->cpp, 153f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org _mesa_lookup_enum_by_nr(type), _mesa_lookup_enum_by_nr(format)); 154f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 155f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return false; 156f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 157f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 158f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 159f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgintelInitPixelFuncs(struct dd_function_table *functions) 160f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 161f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->Accum = _mesa_accum; 162f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->Bitmap = intelBitmap; 163f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->CopyPixels = intelCopyPixels; 164f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->DrawPixels = intelDrawPixels; 165f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org functions->ReadPixels = intelReadPixels; 166f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 167f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 168