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-rw-r--r--src/gallium/drivers/i965/brw_context.c173
1 files changed, 173 insertions, 0 deletions
diff --git a/src/gallium/drivers/i965/brw_context.c b/src/gallium/drivers/i965/brw_context.c
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+++ b/src/gallium/drivers/i965/brw_context.c
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+/*
+ Copyright (C) Intel Corp. 2006. All Rights Reserved.
+ Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ develop this 3D driver.
+
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of this software and associated documentation files (the
+ "Software"), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to
+ the following conditions:
+
+ The above copyright notice and this permission notice (including the
+ next paragraph) shall be included in all copies or substantial
+ portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+ LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+ **********************************************************************/
+ /*
+ * Authors:
+ * Keith Whitwell <[email protected]>
+ */
+
+
+#include "main/imports.h"
+#include "main/api_noop.h"
+#include "main/macros.h"
+#include "main/vtxfmt.h"
+#include "main/simple_list.h"
+#include "shader/shader_api.h"
+
+#include "brw_context.h"
+#include "brw_defines.h"
+#include "brw_draw.h"
+#include "brw_state.h"
+#include "brw_vs.h"
+#include "intel_tex.h"
+#include "intel_blit.h"
+#include "intel_batchbuffer.h"
+#include "intel_pixel.h"
+#include "intel_span.h"
+#include "tnl/t_pipeline.h"
+
+#include "utils.h"
+
+
+/***************************************
+ * Mesa's Driver Functions
+ ***************************************/
+
+static void brwUseProgram(GLcontext *ctx, GLuint program)
+{
+ _mesa_use_program(ctx, program);
+}
+
+static void brwInitProgFuncs( struct dd_function_table *functions )
+{
+ functions->UseProgram = brwUseProgram;
+}
+static void brwInitDriverFunctions( struct dd_function_table *functions )
+{
+ intelInitDriverFunctions( functions );
+
+ brwInitFragProgFuncs( functions );
+ brwInitProgFuncs( functions );
+ brw_init_queryobj_functions(functions);
+
+ functions->Viewport = intel_viewport;
+}
+
+GLboolean brwCreateContext( const __GLcontextModes *mesaVis,
+ __DRIcontextPrivate *driContextPriv,
+ void *sharedContextPrivate)
+{
+ struct dd_function_table functions;
+ struct brw_context *brw = (struct brw_context *) CALLOC_STRUCT(brw_context);
+ struct intel_context *intel = &brw->intel;
+ GLcontext *ctx = &intel->ctx;
+
+ if (!brw) {
+ _mesa_printf("%s: failed to alloc context\n", __FUNCTION__);
+ return GL_FALSE;
+ }
+
+ brwInitVtbl( brw );
+ brwInitDriverFunctions( &functions );
+
+ if (!intelInitContext( intel, mesaVis, driContextPriv,
+ sharedContextPrivate, &functions )) {
+ _mesa_printf("%s: failed to init intel context\n", __FUNCTION__);
+ FREE(brw);
+ return GL_FALSE;
+ }
+
+ /* Initialize swrast, tnl driver tables: */
+ intelInitSpanFuncs(ctx);
+
+ TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
+
+ ctx->Const.MaxTextureImageUnits = BRW_MAX_TEX_UNIT;
+ ctx->Const.MaxTextureCoordUnits = 8; /* Mesa limit */
+ ctx->Const.MaxTextureUnits = MIN2(ctx->Const.MaxTextureCoordUnits,
+ ctx->Const.MaxTextureImageUnits);
+ ctx->Const.MaxVertexTextureImageUnits = 0; /* no vertex shader textures */
+
+ /* Mesa limits textures to 4kx4k; it would be nice to fix that someday
+ */
+ ctx->Const.MaxTextureLevels = 13;
+ ctx->Const.Max3DTextureLevels = 9;
+ ctx->Const.MaxCubeTextureLevels = 12;
+ ctx->Const.MaxTextureRectSize = (1<<12);
+
+ ctx->Const.MaxTextureMaxAnisotropy = 16.0;
+
+ /* if conformance mode is set, swrast can handle any size AA point */
+ ctx->Const.MaxPointSizeAA = 255.0;
+
+ /* We want the GLSL compiler to emit code that uses condition codes */
+ ctx->Shader.EmitCondCodes = GL_TRUE;
+ ctx->Shader.EmitNVTempInitialization = GL_TRUE;
+
+ ctx->Const.VertexProgram.MaxNativeInstructions = (16 * 1024);
+ ctx->Const.VertexProgram.MaxAluInstructions = 0;
+ ctx->Const.VertexProgram.MaxTexInstructions = 0;
+ ctx->Const.VertexProgram.MaxTexIndirections = 0;
+ ctx->Const.VertexProgram.MaxNativeAluInstructions = 0;
+ ctx->Const.VertexProgram.MaxNativeTexInstructions = 0;
+ ctx->Const.VertexProgram.MaxNativeTexIndirections = 0;
+ ctx->Const.VertexProgram.MaxNativeAttribs = 16;
+ ctx->Const.VertexProgram.MaxNativeTemps = 256;
+ ctx->Const.VertexProgram.MaxNativeAddressRegs = 1;
+ ctx->Const.VertexProgram.MaxNativeParameters = 1024;
+ ctx->Const.VertexProgram.MaxEnvParams =
+ MIN2(ctx->Const.VertexProgram.MaxNativeParameters,
+ ctx->Const.VertexProgram.MaxEnvParams);
+
+ ctx->Const.FragmentProgram.MaxNativeInstructions = (16 * 1024);
+ ctx->Const.FragmentProgram.MaxNativeAluInstructions = (16 * 1024);
+ ctx->Const.FragmentProgram.MaxNativeTexInstructions = (16 * 1024);
+ ctx->Const.FragmentProgram.MaxNativeTexIndirections = (16 * 1024);
+ ctx->Const.FragmentProgram.MaxNativeAttribs = 12;
+ ctx->Const.FragmentProgram.MaxNativeTemps = 256;
+ ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0;
+ ctx->Const.FragmentProgram.MaxNativeParameters = 1024;
+ ctx->Const.FragmentProgram.MaxEnvParams =
+ MIN2(ctx->Const.FragmentProgram.MaxNativeParameters,
+ ctx->Const.FragmentProgram.MaxEnvParams);
+
+ brw_init_state( brw );
+
+ brw->state.dirty.mesa = ~0;
+ brw->state.dirty.brw = ~0;
+
+ brw->emit_state_always = 0;
+
+ ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
+ ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
+
+ make_empty_list(&brw->query.active_head);
+
+ brw_draw_init( brw );
+
+ return GL_TRUE;
+}
+