+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * 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
- * 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
- * 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 "intel_screen.h"
-#include "intel_context.h"
-#include "intel_regions.h"
-#include "swrast/swrast.h"
-
-int intel_translate_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;
- }
-
- fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func);
- return COMPAREFUNC_ALWAYS;
-}
-
-int intel_translate_stencil_op( GLenum op )
-{
- 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;
- }
-}
-
-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;
-}
-
-int intel_translate_logic_op( GLenum opcode )
-{
- 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;
- 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]);
-}
-
-
-static void intelCalcViewport( GLcontext *ctx )
-{
- struct intel_context *intel = intel_context(ctx);
- const GLfloat *v = ctx->Viewport._WindowMap.m;
- GLfloat *m = intel->ViewportMatrix.m;
- GLint h = 0;
-
- if (intel->driDrawable)
- h = intel->driDrawable->h + SUBPIXEL_Y;
-
- /* See also intel_translate_vertex. SUBPIXEL adjustments can be done
- * via state vars, too.
- */
- m[MAT_SX] = v[MAT_SX];
- m[MAT_TX] = v[MAT_TX] + SUBPIXEL_X;
- m[MAT_SY] = - v[MAT_SY];
- m[MAT_TY] = - v[MAT_TY] + h;
- m[MAT_SZ] = v[MAT_SZ] * intel->depth_scale;
- m[MAT_TZ] = v[MAT_TZ] * intel->depth_scale;
-}
-
-static void intelViewport( GLcontext *ctx,
- GLint x, GLint y,
- GLsizei width, GLsizei height )
-{
- intelCalcViewport( ctx );
-}
-
-static void intelDepthRange( GLcontext *ctx,
- GLclampd nearval, GLclampd farval )
-{
- intelCalcViewport( ctx );
-}
-
-/* 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->Viewport = intelViewport;
- functions->DepthRange = intelDepthRange;
- 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 );
- }
-
- 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] );
-}