/** * Check if any fragment operations are in effect which might effect * glDraw/CopyPixels. */ bool intel_check_blit_fragment_ops(struct gl_context * ctx, bool src_alpha_is_one) { if (ctx->NewState) _mesa_update_state(ctx); if (ctx->FragmentProgram._Enabled) { DBG("fallback due to fragment program\n"); return false; } if (ctx->Color.BlendEnabled && (effective_func(ctx->Color.Blend[0].SrcRGB, src_alpha_is_one) != GL_ONE || effective_func(ctx->Color.Blend[0].DstRGB, src_alpha_is_one) != GL_ZERO || ctx->Color.Blend[0].EquationRGB != GL_FUNC_ADD || effective_func(ctx->Color.Blend[0].SrcA, src_alpha_is_one) != GL_ONE || effective_func(ctx->Color.Blend[0].DstA, src_alpha_is_one) != GL_ZERO || ctx->Color.Blend[0].EquationA != GL_FUNC_ADD)) { DBG("fallback due to blend\n"); return false; } if (ctx->Texture._MaxEnabledTexImageUnit != -1) { DBG("fallback due to texturing\n"); return false; } if (!(ctx->Color.ColorMask[0][0] && ctx->Color.ColorMask[0][1] && ctx->Color.ColorMask[0][2] && ctx->Color.ColorMask[0][3])) { DBG("fallback due to color masking\n"); return false; } if (ctx->Color.AlphaEnabled) { DBG("fallback due to alpha\n"); return false; } if (ctx->Depth.Test) { DBG("fallback due to depth test\n"); return false; } if (ctx->Fog.Enabled) { DBG("fallback due to fog\n"); return false; } if (ctx->_ImageTransferState) { DBG("fallback due to image transfer\n"); return false; } if (ctx->Stencil._Enabled) { DBG("fallback due to image stencil\n"); return false; } if (ctx->Pixel.ZoomX != 1.0F || ctx->Pixel.ZoomY != 1.0F) { DBG("fallback due to pixel zoom\n"); return false; } if (ctx->RenderMode != GL_RENDER) { DBG("fallback due to render mode\n"); return false; } return true; }
/** * Check if any fragment operations are in effect which might effect * glDraw/CopyPixels. */ GLboolean intel_check_blit_fragment_ops(struct gl_context * ctx, GLboolean src_alpha_is_one) { if (ctx->NewState) _mesa_update_state(ctx); if (ctx->FragmentProgram._Enabled) { DBG("fallback due to fragment program\n"); return GL_FALSE; } if (ctx->Color.BlendEnabled && (effective_func(ctx->Color.BlendSrcRGB, src_alpha_is_one) != GL_ONE || effective_func(ctx->Color.BlendDstRGB, src_alpha_is_one) != GL_ZERO || ctx->Color.BlendEquationRGB != GL_FUNC_ADD || effective_func(ctx->Color.BlendSrcA, src_alpha_is_one) != GL_ONE || effective_func(ctx->Color.BlendDstA, src_alpha_is_one) != GL_ZERO || ctx->Color.BlendEquationA != GL_FUNC_ADD)) { DBG("fallback due to blend\n"); return GL_FALSE; } if (ctx->Texture._EnabledUnits) { DBG("fallback due to texturing\n"); return GL_FALSE; } if (!(ctx->Color.ColorMask[0][0] && ctx->Color.ColorMask[0][1] && ctx->Color.ColorMask[0][2] && ctx->Color.ColorMask[0][3])) { DBG("fallback due to color masking\n"); return GL_FALSE; } if (ctx->Color.AlphaEnabled) { DBG("fallback due to alpha\n"); return GL_FALSE; } if (ctx->Depth.Test) { DBG("fallback due to depth test\n"); return GL_FALSE; } if (ctx->Fog.Enabled) { DBG("fallback due to fog\n"); return GL_FALSE; } if (ctx->_ImageTransferState) { DBG("fallback due to image transfer\n"); return GL_FALSE; } if (ctx->Stencil._Enabled) { DBG("fallback due to image stencil\n"); return GL_FALSE; } if (ctx->RenderMode != GL_RENDER) { DBG("fallback due to render mode\n"); return GL_FALSE; } return GL_TRUE; }