-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+/*
+ * Copyright 2003 VMware, Inc.
* All Rights Reserved.
- *
+ *
* 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, sub license, and/or sell copies of the Software, and to
+ * 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL VMWARE 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.
- *
- **************************************************************************/
-
+ */
-#include "glheader.h"
-#include "context.h"
-#include "macros.h"
-#include "enums.h"
-#include "colormac.h"
-#include "dd.h"
+#include "main/context.h"
+#include "main/macros.h"
+#include "main/enums.h"
+#include "main/dd.h"
#include "intel_screen.h"
-#include "intel_context.h"
-#include "intel_regions.h"
-#include "swrast/swrast.h"
+#include "brw_context.h"
+#include "brw_defines.h"
-int intel_translate_compare_func( GLenum func )
+int
+intel_translate_shadow_compare_func(GLenum func)
{
- switch(func) {
- case GL_NEVER:
- return COMPAREFUNC_NEVER;
- case GL_LESS:
- return COMPAREFUNC_LESS;
- case GL_LEQUAL:
- return COMPAREFUNC_LEQUAL;
- case GL_GREATER:
- return COMPAREFUNC_GREATER;
- case GL_GEQUAL:
- return COMPAREFUNC_GEQUAL;
- case GL_NOTEQUAL:
- return COMPAREFUNC_NOTEQUAL;
- case GL_EQUAL:
- return COMPAREFUNC_EQUAL;
- case GL_ALWAYS:
- return COMPAREFUNC_ALWAYS;
+ /* GL specifies the result of shadow comparisons as:
+ * 1 if ref <op> texel,
+ * 0 otherwise.
+ *
+ * The hardware does:
+ * 0 if texel <op> ref,
+ * 1 otherwise.
+ *
+ * So, these look a bit strange because there's both a negation
+ * and swapping of the arguments involved.
+ */
+ switch (func) {
+ case GL_NEVER:
+ return BRW_COMPAREFUNCTION_ALWAYS;
+ case GL_LESS:
+ return BRW_COMPAREFUNCTION_LEQUAL;
+ case GL_LEQUAL:
+ return BRW_COMPAREFUNCTION_LESS;
+ case GL_GREATER:
+ return BRW_COMPAREFUNCTION_GEQUAL;
+ case GL_GEQUAL:
+ return BRW_COMPAREFUNCTION_GREATER;
+ case GL_NOTEQUAL:
+ return BRW_COMPAREFUNCTION_EQUAL;
+ case GL_EQUAL:
+ return BRW_COMPAREFUNCTION_NOTEQUAL;
+ case GL_ALWAYS:
+ return BRW_COMPAREFUNCTION_NEVER;
}
- fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func);
- return COMPAREFUNC_ALWAYS;
+ unreachable("Invalid shadow comparison function.");
}
-int intel_translate_stencil_op( GLenum op )
+int
+intel_translate_compare_func(GLenum func)
{
- switch(op) {
- case GL_KEEP:
- return STENCILOP_KEEP;
- case GL_ZERO:
- return STENCILOP_ZERO;
- case GL_REPLACE:
- return STENCILOP_REPLACE;
- case GL_INCR:
- return STENCILOP_INCRSAT;
- case GL_DECR:
- return STENCILOP_DECRSAT;
- case GL_INCR_WRAP:
- return STENCILOP_INCR;
- case GL_DECR_WRAP:
- return STENCILOP_DECR;
- case GL_INVERT:
- return STENCILOP_INVERT;
- default:
- return STENCILOP_ZERO;
+ switch (func) {
+ case GL_NEVER:
+ return BRW_COMPAREFUNCTION_NEVER;
+ case GL_LESS:
+ return BRW_COMPAREFUNCTION_LESS;
+ case GL_LEQUAL:
+ return BRW_COMPAREFUNCTION_LEQUAL;
+ case GL_GREATER:
+ return BRW_COMPAREFUNCTION_GREATER;
+ case GL_GEQUAL:
+ return BRW_COMPAREFUNCTION_GEQUAL;
+ case GL_NOTEQUAL:
+ return BRW_COMPAREFUNCTION_NOTEQUAL;
+ case GL_EQUAL:
+ return BRW_COMPAREFUNCTION_EQUAL;
+ case GL_ALWAYS:
+ return BRW_COMPAREFUNCTION_ALWAYS;
}
-}
-int intel_translate_blend_factor( GLenum factor )
-{
- switch(factor) {
- case GL_ZERO:
- return BLENDFACT_ZERO;
- case GL_SRC_ALPHA:
- return BLENDFACT_SRC_ALPHA;
- case GL_ONE:
- return BLENDFACT_ONE;
- case GL_SRC_COLOR:
- return BLENDFACT_SRC_COLR;
- case GL_ONE_MINUS_SRC_COLOR:
- return BLENDFACT_INV_SRC_COLR;
- case GL_DST_COLOR:
- return BLENDFACT_DST_COLR;
- case GL_ONE_MINUS_DST_COLOR:
- return BLENDFACT_INV_DST_COLR;
- case GL_ONE_MINUS_SRC_ALPHA:
- return BLENDFACT_INV_SRC_ALPHA;
- case GL_DST_ALPHA:
- return BLENDFACT_DST_ALPHA;
- case GL_ONE_MINUS_DST_ALPHA:
- return BLENDFACT_INV_DST_ALPHA;
- case GL_SRC_ALPHA_SATURATE:
- return BLENDFACT_SRC_ALPHA_SATURATE;
- case GL_CONSTANT_COLOR:
- return BLENDFACT_CONST_COLOR;
- case GL_ONE_MINUS_CONSTANT_COLOR:
- return BLENDFACT_INV_CONST_COLOR;
- case GL_CONSTANT_ALPHA:
- return BLENDFACT_CONST_ALPHA;
- case GL_ONE_MINUS_CONSTANT_ALPHA:
- return BLENDFACT_INV_CONST_ALPHA;
- }
-
- fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, factor);
- return BLENDFACT_ZERO;
+ unreachable("Invalid comparison function.");
}
-int intel_translate_logic_op( GLenum opcode )
+int
+intel_translate_stencil_op(GLenum op)
{
- switch(opcode) {
- case GL_CLEAR:
- return LOGICOP_CLEAR;
- case GL_AND:
- return LOGICOP_AND;
- case GL_AND_REVERSE:
- return LOGICOP_AND_RVRSE;
- case GL_COPY:
- return LOGICOP_COPY;
- case GL_COPY_INVERTED:
- return LOGICOP_COPY_INV;
- case GL_AND_INVERTED:
- return LOGICOP_AND_INV;
- case GL_NOOP:
- return LOGICOP_NOOP;
- case GL_XOR:
- return LOGICOP_XOR;
- case GL_OR:
- return LOGICOP_OR;
- case GL_OR_INVERTED:
- return LOGICOP_OR_INV;
- case GL_NOR:
- return LOGICOP_NOR;
- case GL_EQUIV:
- return LOGICOP_EQUIV;
- case GL_INVERT:
- return LOGICOP_INV;
- case GL_OR_REVERSE:
- return LOGICOP_OR_RVRSE;
- case GL_NAND:
- return LOGICOP_NAND;
- case GL_SET:
- return LOGICOP_SET;
+ switch (op) {
+ case GL_KEEP:
+ return BRW_STENCILOP_KEEP;
+ case GL_ZERO:
+ return BRW_STENCILOP_ZERO;
+ case GL_REPLACE:
+ return BRW_STENCILOP_REPLACE;
+ case GL_INCR:
+ return BRW_STENCILOP_INCRSAT;
+ case GL_DECR:
+ return BRW_STENCILOP_DECRSAT;
+ case GL_INCR_WRAP:
+ return BRW_STENCILOP_INCR;
+ case GL_DECR_WRAP:
+ return BRW_STENCILOP_DECR;
+ case GL_INVERT:
+ return BRW_STENCILOP_INVERT;
default:
- return LOGICOP_SET;
- }
-}
-
-
-static void intelClearColor(GLcontext *ctx, const GLfloat color[4])
-{
- struct intel_context *intel = intel_context(ctx);
- intelScreenPrivate *screen = intel->intelScreen;
-
- UNCLAMPED_FLOAT_TO_RGBA_CHAN(intel->clear_chan, color);
-
- intel->ClearColor = INTEL_PACKCOLOR(screen->fbFormat,
- intel->clear_chan[0],
- intel->clear_chan[1],
- intel->clear_chan[2],
- intel->clear_chan[3]);
-}
-
-
-
-/* Fallback to swrast for select and feedback.
- */
-static void intelRenderMode( GLcontext *ctx, GLenum mode )
-{
- struct intel_context *intel = intel_context(ctx);
- FALLBACK( intel, INTEL_FALLBACK_RENDERMODE, (mode != GL_RENDER) );
-}
-
-
-void intelInitStateFuncs( struct dd_function_table *functions )
-{
- functions->RenderMode = intelRenderMode;
- functions->ClearColor = intelClearColor;
-}
-
-
-
-
-void intelInitState( GLcontext *ctx )
-{
- /* Mesa should do this for us:
- */
- ctx->Driver.AlphaFunc( ctx,
- ctx->Color.AlphaFunc,
- ctx->Color.AlphaRef);
-
- ctx->Driver.BlendColor( ctx,
- ctx->Color.BlendColor );
-
- ctx->Driver.BlendEquationSeparate( ctx,
- ctx->Color.BlendEquationRGB,
- ctx->Color.BlendEquationA);
-
- ctx->Driver.BlendFuncSeparate( ctx,
- ctx->Color.BlendSrcRGB,
- ctx->Color.BlendDstRGB,
- ctx->Color.BlendSrcA,
- ctx->Color.BlendDstA);
-
- ctx->Driver.ColorMask( ctx,
- ctx->Color.ColorMask[RCOMP],
- ctx->Color.ColorMask[GCOMP],
- ctx->Color.ColorMask[BCOMP],
- ctx->Color.ColorMask[ACOMP]);
-
- ctx->Driver.CullFace( ctx, ctx->Polygon.CullFaceMode );
- ctx->Driver.DepthFunc( ctx, ctx->Depth.Func );
- ctx->Driver.DepthMask( ctx, ctx->Depth.Mask );
-
- ctx->Driver.Enable( ctx, GL_ALPHA_TEST, ctx->Color.AlphaEnabled );
- ctx->Driver.Enable( ctx, GL_BLEND, ctx->Color.BlendEnabled );
- ctx->Driver.Enable( ctx, GL_COLOR_LOGIC_OP, ctx->Color.ColorLogicOpEnabled );
- ctx->Driver.Enable( ctx, GL_COLOR_SUM, ctx->Fog.ColorSumEnabled );
- ctx->Driver.Enable( ctx, GL_CULL_FACE, ctx->Polygon.CullFlag );
- ctx->Driver.Enable( ctx, GL_DEPTH_TEST, ctx->Depth.Test );
- ctx->Driver.Enable( ctx, GL_DITHER, ctx->Color.DitherFlag );
- ctx->Driver.Enable( ctx, GL_FOG, ctx->Fog.Enabled );
- ctx->Driver.Enable( ctx, GL_LIGHTING, ctx->Light.Enabled );
- ctx->Driver.Enable( ctx, GL_LINE_SMOOTH, ctx->Line.SmoothFlag );
- ctx->Driver.Enable( ctx, GL_POLYGON_STIPPLE, ctx->Polygon.StippleFlag );
- ctx->Driver.Enable( ctx, GL_SCISSOR_TEST, ctx->Scissor.Enabled );
- ctx->Driver.Enable( ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled );
- ctx->Driver.Enable( ctx, GL_TEXTURE_1D, GL_FALSE );
- ctx->Driver.Enable( ctx, GL_TEXTURE_2D, GL_FALSE );
- ctx->Driver.Enable( ctx, GL_TEXTURE_RECTANGLE_NV, GL_FALSE );
- ctx->Driver.Enable( ctx, GL_TEXTURE_3D, GL_FALSE );
- ctx->Driver.Enable( ctx, GL_TEXTURE_CUBE_MAP, GL_FALSE );
-
- ctx->Driver.Fogfv( ctx, GL_FOG_COLOR, ctx->Fog.Color );
- ctx->Driver.Fogfv( ctx, GL_FOG_MODE, 0 );
- ctx->Driver.Fogfv( ctx, GL_FOG_DENSITY, &ctx->Fog.Density );
- ctx->Driver.Fogfv( ctx, GL_FOG_START, &ctx->Fog.Start );
- ctx->Driver.Fogfv( ctx, GL_FOG_END, &ctx->Fog.End );
-
- ctx->Driver.FrontFace( ctx, ctx->Polygon.FrontFace );
-
- {
- GLfloat f = (GLfloat)ctx->Light.Model.ColorControl;
- ctx->Driver.LightModelfv( ctx, GL_LIGHT_MODEL_COLOR_CONTROL, &f );
+ return BRW_STENCILOP_ZERO;
}
-
- ctx->Driver.LineWidth( ctx, ctx->Line.Width );
- ctx->Driver.LogicOpcode( ctx, ctx->Color.LogicOp );
- ctx->Driver.PointSize( ctx, ctx->Point.Size );
- ctx->Driver.PolygonStipple( ctx, (const GLubyte *)ctx->PolygonStipple );
- ctx->Driver.Scissor( ctx, ctx->Scissor.X, ctx->Scissor.Y,
- ctx->Scissor.Width, ctx->Scissor.Height );
- ctx->Driver.ShadeModel( ctx, ctx->Light.ShadeModel );
- ctx->Driver.StencilFuncSeparate( ctx, GL_FRONT,
- ctx->Stencil.Function[0],
- ctx->Stencil.Ref[0],
- ctx->Stencil.ValueMask[0] );
- ctx->Driver.StencilFuncSeparate( ctx, GL_BACK,
- ctx->Stencil.Function[1],
- ctx->Stencil.Ref[1],
- ctx->Stencil.ValueMask[1] );
- ctx->Driver.StencilMaskSeparate( ctx, GL_FRONT, ctx->Stencil.WriteMask[0] );
- ctx->Driver.StencilMaskSeparate( ctx, GL_BACK, ctx->Stencil.WriteMask[1] );
- ctx->Driver.StencilOpSeparate( ctx, GL_FRONT,
- ctx->Stencil.FailFunc[0],
- ctx->Stencil.ZFailFunc[0],
- ctx->Stencil.ZPassFunc[0]);
- ctx->Driver.StencilOpSeparate( ctx, GL_BACK,
- ctx->Stencil.FailFunc[1],
- ctx->Stencil.ZFailFunc[1],
- ctx->Stencil.ZPassFunc[1]);
-
-
- ctx->Driver.DrawBuffer( ctx, ctx->Color.DrawBuffer[0] );
}
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