+++ /dev/null
-/* $XFree86$ */
-/**************************************************************************
-
-Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved.
-
-The Weather Channel (TM) funded Tungsten Graphics to develop the
-initial release of the Radeon 8500 driver under the XFree86 license.
-This notice must be preserved.
-
-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 <keith@tungstengraphics.com>
- */
-
-#include "glheader.h"
-#include "imports.h"
-#include "api_arrayelt.h"
-#include "enums.h"
-#include "colormac.h"
-
-#include "swrast/swrast.h"
-#include "array_cache/acache.h"
-#include "tnl/tnl.h"
-#include "tnl/t_pipeline.h"
-#include "swrast_setup/swrast_setup.h"
-
-
-#include "r200_context.h"
-#include "r200_ioctl.h"
-#include "r200_state.h"
-#include "r200_tcl.h"
-#include "r200_tex.h"
-#include "r200_swtcl.h"
-#include "r200_vtxfmt.h"
-
-
-/* =============================================================
- * Alpha blending
- */
-
-static void r200AlphaFunc( GLcontext *ctx, GLenum func, GLfloat ref )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- int pp_misc = rmesa->hw.ctx.cmd[CTX_PP_MISC];
- GLubyte refByte;
-
- CLAMPED_FLOAT_TO_UBYTE(refByte, ref);
-
- R200_STATECHANGE( rmesa, ctx );
-
- pp_misc &= ~(R200_ALPHA_TEST_OP_MASK | R200_REF_ALPHA_MASK);
- pp_misc |= (refByte & R200_REF_ALPHA_MASK);
-
- switch ( func ) {
- case GL_NEVER:
- pp_misc |= R200_ALPHA_TEST_FAIL;
- break;
- case GL_LESS:
- pp_misc |= R200_ALPHA_TEST_LESS;
- break;
- case GL_EQUAL:
- pp_misc |= R200_ALPHA_TEST_EQUAL;
- break;
- case GL_LEQUAL:
- pp_misc |= R200_ALPHA_TEST_LEQUAL;
- break;
- case GL_GREATER:
- pp_misc |= R200_ALPHA_TEST_GREATER;
- break;
- case GL_NOTEQUAL:
- pp_misc |= R200_ALPHA_TEST_NEQUAL;
- break;
- case GL_GEQUAL:
- pp_misc |= R200_ALPHA_TEST_GEQUAL;
- break;
- case GL_ALWAYS:
- pp_misc |= R200_ALPHA_TEST_PASS;
- break;
- }
-
- rmesa->hw.ctx.cmd[CTX_PP_MISC] = pp_misc;
-}
-
-static void r200BlendEquation( GLcontext *ctx, GLenum mode )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLuint b = rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] & ~R200_COMB_FCN_MASK;
-
- switch ( mode ) {
- case GL_FUNC_ADD:
- case GL_LOGIC_OP:
- b |= R200_COMB_FCN_ADD_CLAMP;
- break;
-
- case GL_FUNC_SUBTRACT:
- b |= R200_COMB_FCN_SUB_CLAMP;
- break;
-
- case GL_FUNC_REVERSE_SUBTRACT:
- b |= R200_COMB_FCN_RSUB_CLAMP;
- break;
-
- case GL_MIN:
- b |= R200_COMB_FCN_MIN;
- break;
-
- case GL_MAX:
- b |= R200_COMB_FCN_MAX;
- break;
-
- default:
- break;
- }
-
- R200_STATECHANGE( rmesa, ctx );
- rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = b;
- if ( ctx->Color.ColorLogicOpEnabled ) {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] |= R200_ROP_ENABLE;
- } else {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &= ~R200_ROP_ENABLE;
- }
-}
-
-static void r200BlendFunc( GLcontext *ctx, GLenum sfactor, GLenum dfactor )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLuint b = rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] &
- ~(R200_SRC_BLEND_MASK | R200_DST_BLEND_MASK);
-
- switch ( ctx->Color.BlendSrcRGB ) {
- case GL_ZERO:
- b |= R200_SRC_BLEND_GL_ZERO;
- break;
- case GL_ONE:
- b |= R200_SRC_BLEND_GL_ONE;
- break;
- case GL_DST_COLOR:
- b |= R200_SRC_BLEND_GL_DST_COLOR;
- break;
- case GL_ONE_MINUS_DST_COLOR:
- b |= R200_SRC_BLEND_GL_ONE_MINUS_DST_COLOR;
- break;
- case GL_SRC_COLOR:
- b |= R200_SRC_BLEND_GL_SRC_COLOR;
- break;
- case GL_ONE_MINUS_SRC_COLOR:
- b |= R200_SRC_BLEND_GL_ONE_MINUS_SRC_COLOR;
- break;
- case GL_SRC_ALPHA:
- b |= R200_SRC_BLEND_GL_SRC_ALPHA;
- break;
- case GL_ONE_MINUS_SRC_ALPHA:
- b |= R200_SRC_BLEND_GL_ONE_MINUS_SRC_ALPHA;
- break;
- case GL_DST_ALPHA:
- b |= R200_SRC_BLEND_GL_DST_ALPHA;
- break;
- case GL_ONE_MINUS_DST_ALPHA:
- b |= R200_SRC_BLEND_GL_ONE_MINUS_DST_ALPHA;
- break;
- case GL_SRC_ALPHA_SATURATE:
- b |= R200_SRC_BLEND_GL_SRC_ALPHA_SATURATE;
- break;
- case GL_CONSTANT_COLOR:
- b |= R200_SRC_BLEND_GL_CONST_COLOR;
- break;
- case GL_ONE_MINUS_CONSTANT_COLOR:
- b |= R200_SRC_BLEND_GL_ONE_MINUS_CONST_COLOR;
- break;
- case GL_CONSTANT_ALPHA:
- b |= R200_SRC_BLEND_GL_CONST_ALPHA;
- break;
- case GL_ONE_MINUS_CONSTANT_ALPHA:
- b |= R200_SRC_BLEND_GL_ONE_MINUS_CONST_ALPHA;
- break;
- default:
- break;
- }
-
- switch ( ctx->Color.BlendDstRGB ) {
- case GL_ZERO:
- b |= R200_DST_BLEND_GL_ZERO;
- break;
- case GL_ONE:
- b |= R200_DST_BLEND_GL_ONE;
- break;
- case GL_SRC_COLOR:
- b |= R200_DST_BLEND_GL_SRC_COLOR;
- break;
- case GL_ONE_MINUS_SRC_COLOR:
- b |= R200_DST_BLEND_GL_ONE_MINUS_SRC_COLOR;
- break;
- case GL_SRC_ALPHA:
- b |= R200_DST_BLEND_GL_SRC_ALPHA;
- break;
- case GL_ONE_MINUS_SRC_ALPHA:
- b |= R200_DST_BLEND_GL_ONE_MINUS_SRC_ALPHA;
- break;
- case GL_DST_COLOR:
- b |= R200_DST_BLEND_GL_DST_COLOR;
- break;
- case GL_ONE_MINUS_DST_COLOR:
- b |= R200_DST_BLEND_GL_ONE_MINUS_DST_COLOR;
- break;
- case GL_DST_ALPHA:
- b |= R200_DST_BLEND_GL_DST_ALPHA;
- break;
- case GL_ONE_MINUS_DST_ALPHA:
- b |= R200_DST_BLEND_GL_ONE_MINUS_DST_ALPHA;
- break;
- case GL_CONSTANT_COLOR:
- b |= R200_DST_BLEND_GL_CONST_COLOR;
- break;
- case GL_ONE_MINUS_CONSTANT_COLOR:
- b |= R200_DST_BLEND_GL_ONE_MINUS_CONST_COLOR;
- break;
- case GL_CONSTANT_ALPHA:
- b |= R200_DST_BLEND_GL_CONST_ALPHA;
- break;
- case GL_ONE_MINUS_CONSTANT_ALPHA:
- b |= R200_DST_BLEND_GL_ONE_MINUS_CONST_ALPHA;
- break;
- default:
- break;
- }
-
- R200_STATECHANGE( rmesa, ctx );
- rmesa->hw.ctx.cmd[CTX_RB3D_BLENDCNTL] = b;
-}
-
-static void r200BlendFuncSeparate( GLcontext *ctx,
- GLenum sfactorRGB, GLenum dfactorRGB,
- GLenum sfactorA, GLenum dfactorA )
-{
- r200BlendFunc( ctx, sfactorRGB, dfactorRGB );
-}
-
-
-/* =============================================================
- * Depth testing
- */
-
-static void r200DepthFunc( GLcontext *ctx, GLenum func )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
-
- R200_STATECHANGE( rmesa, ctx );
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] &= ~R200_Z_TEST_MASK;
-
- switch ( ctx->Depth.Func ) {
- case GL_NEVER:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_NEVER;
- break;
- case GL_LESS:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_LESS;
- break;
- case GL_EQUAL:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_EQUAL;
- break;
- case GL_LEQUAL:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_LEQUAL;
- break;
- case GL_GREATER:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_GREATER;
- break;
- case GL_NOTEQUAL:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_NEQUAL;
- break;
- case GL_GEQUAL:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_GEQUAL;
- break;
- case GL_ALWAYS:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_TEST_ALWAYS;
- break;
- }
-}
-
-
-static void r200DepthMask( GLcontext *ctx, GLboolean flag )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- R200_STATECHANGE( rmesa, ctx );
-
- if ( ctx->Depth.Mask ) {
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_Z_WRITE_ENABLE;
- } else {
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] &= ~R200_Z_WRITE_ENABLE;
- }
-}
-
-
-/* =============================================================
- * Fog
- */
-
-
-static void r200Fogfv( GLcontext *ctx, GLenum pname, const GLfloat *param )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- union { int i; float f; } c, d;
- GLchan col[4];
- GLuint i;
-
- c.i = rmesa->hw.fog.cmd[FOG_C];
- d.i = rmesa->hw.fog.cmd[FOG_D];
-
- switch (pname) {
- case GL_FOG_MODE:
- if (!ctx->Fog.Enabled)
- return;
- R200_STATECHANGE(rmesa, tcl);
- rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] &= ~R200_TCL_FOG_MASK;
- switch (ctx->Fog.Mode) {
- case GL_LINEAR:
- rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= R200_TCL_FOG_LINEAR;
- if (ctx->Fog.Start == ctx->Fog.End) {
- c.f = 1.0F;
- d.f = 1.0F;
- }
- else {
- c.f = ctx->Fog.End/(ctx->Fog.End-ctx->Fog.Start);
- d.f = -1.0/(ctx->Fog.End-ctx->Fog.Start);
- }
- break;
- case GL_EXP:
- rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= R200_TCL_FOG_EXP;
- c.f = 0.0;
- d.f = -ctx->Fog.Density;
- break;
- case GL_EXP2:
- rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= R200_TCL_FOG_EXP2;
- c.f = 0.0;
- d.f = -(ctx->Fog.Density * ctx->Fog.Density);
- break;
- default:
- return;
- }
- break;
- case GL_FOG_DENSITY:
- switch (ctx->Fog.Mode) {
- case GL_EXP:
- c.f = 0.0;
- d.f = -ctx->Fog.Density;
- break;
- case GL_EXP2:
- c.f = 0.0;
- d.f = -(ctx->Fog.Density * ctx->Fog.Density);
- break;
- default:
- break;
- }
- break;
- case GL_FOG_START:
- case GL_FOG_END:
- if (ctx->Fog.Mode == GL_LINEAR) {
- if (ctx->Fog.Start == ctx->Fog.End) {
- c.f = 1.0F;
- d.f = 1.0F;
- } else {
- c.f = ctx->Fog.End/(ctx->Fog.End-ctx->Fog.Start);
- d.f = -1.0/(ctx->Fog.End-ctx->Fog.Start);
- }
- }
- break;
- case GL_FOG_COLOR:
- R200_STATECHANGE( rmesa, ctx );
- UNCLAMPED_FLOAT_TO_RGB_CHAN( col, ctx->Fog.Color );
- i = r200PackColor( 4, col[0], col[1], col[2], 0 );
- rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] &= ~R200_FOG_COLOR_MASK;
- rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] |= i;
- break;
- case GL_FOG_COORDINATE_SOURCE_EXT:
- /* What to do?
- */
- break;
- default:
- return;
- }
-
- if (c.i != rmesa->hw.fog.cmd[FOG_C] || d.i != rmesa->hw.fog.cmd[FOG_D]) {
- R200_STATECHANGE( rmesa, fog );
- rmesa->hw.fog.cmd[FOG_C] = c.i;
- rmesa->hw.fog.cmd[FOG_D] = d.i;
- }
-}
-
-
-/* =============================================================
- * Scissoring
- */
-
-
-static GLboolean intersect_rect( XF86DRIClipRectPtr out,
- XF86DRIClipRectPtr a,
- XF86DRIClipRectPtr b )
-{
- *out = *a;
- if ( b->x1 > out->x1 ) out->x1 = b->x1;
- if ( b->y1 > out->y1 ) out->y1 = b->y1;
- if ( b->x2 < out->x2 ) out->x2 = b->x2;
- if ( b->y2 < out->y2 ) out->y2 = b->y2;
- if ( out->x1 >= out->x2 ) return GL_FALSE;
- if ( out->y1 >= out->y2 ) return GL_FALSE;
- return GL_TRUE;
-}
-
-
-void r200RecalcScissorRects( r200ContextPtr rmesa )
-{
- XF86DRIClipRectPtr out;
- int i;
-
- /* Grow cliprect store?
- */
- if (rmesa->state.scissor.numAllocedClipRects < rmesa->numClipRects) {
- while (rmesa->state.scissor.numAllocedClipRects < rmesa->numClipRects) {
- rmesa->state.scissor.numAllocedClipRects += 1; /* zero case */
- rmesa->state.scissor.numAllocedClipRects *= 2;
- }
-
- if (rmesa->state.scissor.pClipRects)
- FREE(rmesa->state.scissor.pClipRects);
-
- rmesa->state.scissor.pClipRects =
- MALLOC( rmesa->state.scissor.numAllocedClipRects *
- sizeof(XF86DRIClipRectRec) );
-
- if ( rmesa->state.scissor.pClipRects == NULL ) {
- rmesa->state.scissor.numAllocedClipRects = 0;
- return;
- }
- }
-
- out = rmesa->state.scissor.pClipRects;
- rmesa->state.scissor.numClipRects = 0;
-
- for ( i = 0 ; i < rmesa->numClipRects ; i++ ) {
- if ( intersect_rect( out,
- &rmesa->pClipRects[i],
- &rmesa->state.scissor.rect ) ) {
- rmesa->state.scissor.numClipRects++;
- out++;
- }
- }
-}
-
-
-static void r200UpdateScissor( GLcontext *ctx )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
-
- if ( rmesa->dri.drawable ) {
- __DRIdrawablePrivate *dPriv = rmesa->dri.drawable;
-
- int x = ctx->Scissor.X;
- int y = dPriv->h - ctx->Scissor.Y - ctx->Scissor.Height;
- int w = ctx->Scissor.X + ctx->Scissor.Width - 1;
- int h = dPriv->h - ctx->Scissor.Y - 1;
-
- rmesa->state.scissor.rect.x1 = x + dPriv->x;
- rmesa->state.scissor.rect.y1 = y + dPriv->y;
- rmesa->state.scissor.rect.x2 = w + dPriv->x + 1;
- rmesa->state.scissor.rect.y2 = h + dPriv->y + 1;
-
- r200RecalcScissorRects( rmesa );
- }
-}
-
-
-static void r200Scissor( GLcontext *ctx,
- GLint x, GLint y, GLsizei w, GLsizei h )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
-
- if ( ctx->Scissor.Enabled ) {
- R200_FIREVERTICES( rmesa ); /* don't pipeline cliprect changes */
- r200UpdateScissor( ctx );
- }
-
-}
-
-
-/* =============================================================
- * Culling
- */
-
-static void r200CullFace( GLcontext *ctx, GLenum unused )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLuint s = rmesa->hw.set.cmd[SET_SE_CNTL];
- GLuint t = rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL];
-
- s |= R200_FFACE_SOLID | R200_BFACE_SOLID;
- t &= ~(R200_CULL_FRONT | R200_CULL_BACK);
-
- if ( ctx->Polygon.CullFlag ) {
- switch ( ctx->Polygon.CullFaceMode ) {
- case GL_FRONT:
- s &= ~R200_FFACE_SOLID;
- t |= R200_CULL_FRONT;
- break;
- case GL_BACK:
- s &= ~R200_BFACE_SOLID;
- t |= R200_CULL_BACK;
- break;
- case GL_FRONT_AND_BACK:
- s &= ~(R200_FFACE_SOLID | R200_BFACE_SOLID);
- t |= (R200_CULL_FRONT | R200_CULL_BACK);
- break;
- }
- }
-
- if ( rmesa->hw.set.cmd[SET_SE_CNTL] != s ) {
- R200_STATECHANGE(rmesa, set );
- rmesa->hw.set.cmd[SET_SE_CNTL] = s;
- }
-
- if ( rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] != t ) {
- R200_STATECHANGE(rmesa, tcl );
- rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] = t;
- }
-}
-
-static void r200FrontFace( GLcontext *ctx, GLenum mode )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
-
- R200_STATECHANGE( rmesa, set );
- rmesa->hw.set.cmd[SET_SE_CNTL] &= ~R200_FFACE_CULL_DIR_MASK;
-
- R200_STATECHANGE( rmesa, tcl );
- rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] &= ~R200_CULL_FRONT_IS_CCW;
-
- switch ( mode ) {
- case GL_CW:
- rmesa->hw.set.cmd[SET_SE_CNTL] |= R200_FFACE_CULL_CW;
- break;
- case GL_CCW:
- rmesa->hw.set.cmd[SET_SE_CNTL] |= R200_FFACE_CULL_CCW;
- rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= R200_CULL_FRONT_IS_CCW;
- break;
- }
-}
-
-/* =============================================================
- * Point state
- */
-static void r200PointSize( GLcontext *ctx, GLfloat size )
-{
- if (0) fprintf(stderr, "%s: %f\n", __FUNCTION__, size );
-}
-
-/* =============================================================
- * Line state
- */
-static void r200LineWidth( GLcontext *ctx, GLfloat widthf )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
-
- R200_STATECHANGE( rmesa, lin );
- R200_STATECHANGE( rmesa, set );
-
- /* Line width is stored in U6.4 format.
- */
- rmesa->hw.lin.cmd[LIN_SE_LINE_WIDTH] &= ~0xffff;
- rmesa->hw.lin.cmd[LIN_SE_LINE_WIDTH] |= (GLuint)(ctx->Line._Width * 16.0);
-
- if ( widthf > 1.0 ) {
- rmesa->hw.set.cmd[SET_SE_CNTL] |= R200_WIDELINE_ENABLE;
- } else {
- rmesa->hw.set.cmd[SET_SE_CNTL] &= ~R200_WIDELINE_ENABLE;
- }
-}
-
-static void r200LineStipple( GLcontext *ctx, GLint factor, GLushort pattern )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
-
- R200_STATECHANGE( rmesa, lin );
- rmesa->hw.lin.cmd[LIN_RE_LINE_PATTERN] =
- ((((GLuint)factor & 0xff) << 16) | ((GLuint)pattern));
-}
-
-
-/* =============================================================
- * Masks
- */
-static void r200ColorMask( GLcontext *ctx,
- GLboolean r, GLboolean g,
- GLboolean b, GLboolean a )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLuint mask = r200PackColor( rmesa->r200Screen->cpp,
- ctx->Color.ColorMask[RCOMP],
- ctx->Color.ColorMask[GCOMP],
- ctx->Color.ColorMask[BCOMP],
- ctx->Color.ColorMask[ACOMP] );
-
- GLuint flag = rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] & ~R200_PLANE_MASK_ENABLE;
-
- if (!(r && g && b && a))
- flag |= R200_PLANE_MASK_ENABLE;
-
- if ( rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] != flag ) {
- R200_STATECHANGE( rmesa, ctx );
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] = flag;
- }
-
- if ( rmesa->hw.msk.cmd[MSK_RB3D_PLANEMASK] != mask ) {
- R200_STATECHANGE( rmesa, msk );
- rmesa->hw.msk.cmd[MSK_RB3D_PLANEMASK] = mask;
- }
-}
-
-
-/* =============================================================
- * Polygon state
- */
-
-static void r200PolygonOffset( GLcontext *ctx,
- GLfloat factor, GLfloat units )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLfloat constant = units * rmesa->state.depth.scale;
-
-/* factor *= 2; */
-/* constant *= 2; */
-
-/* fprintf(stderr, "%s f:%f u:%f\n", __FUNCTION__, factor, constant); */
-
- R200_STATECHANGE( rmesa, zbs );
- rmesa->hw.zbs.cmd[ZBS_SE_ZBIAS_FACTOR] = *(GLuint *)&factor;
- rmesa->hw.zbs.cmd[ZBS_SE_ZBIAS_CONSTANT] = *(GLuint *)&constant;
-}
-
-static void r200PolygonStipple( GLcontext *ctx, const GLubyte *mask )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLuint i;
- drmRadeonStipple stipple;
-
- /* Must flip pattern upside down.
- */
- for ( i = 0 ; i < 32 ; i++ ) {
- rmesa->state.stipple.mask[31 - i] = ((GLuint *) mask)[i];
- }
-
- /* TODO: push this into cmd mechanism
- */
- R200_FIREVERTICES( rmesa );
- LOCK_HARDWARE( rmesa );
-
- /* FIXME: Use window x,y offsets into stipple RAM.
- */
- stipple.mask = rmesa->state.stipple.mask;
- drmCommandWrite( rmesa->dri.fd, DRM_RADEON_STIPPLE,
- &stipple, sizeof(drmRadeonStipple) );
- UNLOCK_HARDWARE( rmesa );
-}
-
-static void r200PolygonMode( GLcontext *ctx, GLenum face, GLenum mode )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLboolean flag = (ctx->_TriangleCaps & DD_TRI_UNFILLED) != 0;
-
- /* Can't generally do unfilled via tcl, but some good special
- * cases work.
- */
- TCL_FALLBACK( ctx, R200_TCL_FALLBACK_UNFILLED, flag);
- if (rmesa->TclFallback) {
- r200ChooseRenderState( ctx );
- r200ChooseVertexState( ctx );
- }
-}
-
-
-/* =============================================================
- * Rendering attributes
- *
- * We really don't want to recalculate all this every time we bind a
- * texture. These things shouldn't change all that often, so it makes
- * sense to break them out of the core texture state update routines.
- */
-
-/* Examine lighting and texture state to determine if separate specular
- * should be enabled.
- */
-static void r200UpdateSpecular( GLcontext *ctx )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- CARD32 p = rmesa->hw.ctx.cmd[CTX_PP_CNTL];
-
- R200_STATECHANGE( rmesa, tcl );
- R200_STATECHANGE( rmesa, vtx );
-
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] &= ~(3<<R200_VTX_COLOR_0_SHIFT);
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] &= ~(3<<R200_VTX_COLOR_1_SHIFT);
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] &= ~R200_OUTPUT_COLOR_0;
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] &= ~R200_OUTPUT_COLOR_1;
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &= ~R200_LIGHTING_ENABLE;
-
- p &= ~R200_SPECULAR_ENABLE;
-
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_DIFFUSE_SPECULAR_COMBINE;
-
-
- if (ctx->Light.Enabled &&
- ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR) {
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] |=
- ((R200_VTX_FP_RGBA << R200_VTX_COLOR_0_SHIFT) |
- (R200_VTX_FP_RGBA << R200_VTX_COLOR_1_SHIFT));
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] |= R200_OUTPUT_COLOR_0;
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] |= R200_OUTPUT_COLOR_1;
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_LIGHTING_ENABLE;
- p |= R200_SPECULAR_ENABLE;
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &=
- ~R200_DIFFUSE_SPECULAR_COMBINE;
- }
- else if (ctx->Light.Enabled) {
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] |=
- ((R200_VTX_FP_RGBA << R200_VTX_COLOR_0_SHIFT));
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] |= R200_OUTPUT_COLOR_0;
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_LIGHTING_ENABLE;
- } else if (ctx->Fog.ColorSumEnabled ) {
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] |=
- ((R200_VTX_FP_RGBA << R200_VTX_COLOR_0_SHIFT) |
- (R200_VTX_FP_RGBA << R200_VTX_COLOR_1_SHIFT));
- p |= R200_SPECULAR_ENABLE;
- } else {
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] |=
- ((R200_VTX_FP_RGBA << R200_VTX_COLOR_0_SHIFT));
- }
-
- if (ctx->Fog.Enabled) {
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_0] |=
- ((R200_VTX_FP_RGBA << R200_VTX_COLOR_1_SHIFT));
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] |= R200_OUTPUT_COLOR_1;
- }
-
- if ( rmesa->hw.ctx.cmd[CTX_PP_CNTL] != p ) {
- R200_STATECHANGE( rmesa, ctx );
- rmesa->hw.ctx.cmd[CTX_PP_CNTL] = p;
- }
-
- /* Update vertex/render formats
- */
- if (rmesa->TclFallback) {
- r200ChooseRenderState( ctx );
- r200ChooseVertexState( ctx );
- }
-}
-
-
-/* =============================================================
- * Materials
- */
-
-
-/* Update on colormaterial, material emmissive/ambient,
- * lightmodel.globalambient
- */
-static void update_global_ambient( GLcontext *ctx )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- float *fcmd = (float *)R200_DB_STATE( glt );
-
- /* Need to do more if both emmissive & ambient are PREMULT:
- */
- if ((rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_1] &
- ((3 << R200_FRONT_EMISSIVE_SOURCE_SHIFT) |
- (3 << R200_FRONT_AMBIENT_SOURCE_SHIFT))) == 0)
- {
- COPY_3V( &fcmd[GLT_RED],
- ctx->Light.Material[0].Emission);
- ACC_SCALE_3V( &fcmd[GLT_RED],
- ctx->Light.Model.Ambient,
- ctx->Light.Material[0].Ambient);
- }
- else
- {
- COPY_3V( &fcmd[GLT_RED], ctx->Light.Model.Ambient );
- }
-
- R200_DB_STATECHANGE(rmesa, &rmesa->hw.glt);
-}
-
-/* Update on change to
- * - light[p].colors
- * - light[p].enabled
- * - material,
- * - colormaterial enabled
- * - colormaterial bitmask
- */
-static void update_light_colors( GLcontext *ctx, GLuint p )
-{
- struct gl_light *l = &ctx->Light.Light[p];
-
-/* fprintf(stderr, "%s\n", __FUNCTION__); */
-
- if (l->Enabled) {
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- float *fcmd = (float *)R200_DB_STATE( lit[p] );
- GLuint bitmask = ctx->Light.ColorMaterialBitmask;
- struct gl_material *mat = &ctx->Light.Material[0];
-
- COPY_4V( &fcmd[LIT_AMBIENT_RED], l->Ambient );
- COPY_4V( &fcmd[LIT_DIFFUSE_RED], l->Diffuse );
- COPY_4V( &fcmd[LIT_SPECULAR_RED], l->Specular );
-
- if (!ctx->Light.ColorMaterialEnabled)
- bitmask = 0;
-
- if ((bitmask & FRONT_AMBIENT_BIT) == 0)
- SELF_SCALE_3V( &fcmd[LIT_AMBIENT_RED], mat->Ambient );
-
- if ((bitmask & FRONT_DIFFUSE_BIT) == 0)
- SELF_SCALE_3V( &fcmd[LIT_DIFFUSE_RED], mat->Diffuse );
-
- if ((bitmask & FRONT_SPECULAR_BIT) == 0)
- SELF_SCALE_3V( &fcmd[LIT_SPECULAR_RED], mat->Specular );
-
- R200_DB_STATECHANGE( rmesa, &rmesa->hw.lit[p] );
- }
-}
-
-/* Also fallback for asym colormaterial mode in twoside lighting...
- */
-static void check_twoside_fallback( GLcontext *ctx )
-{
- GLboolean fallback = GL_FALSE;
-
- if (ctx->Light.Enabled && ctx->Light.Model.TwoSide) {
- if (memcmp( &ctx->Light.Material[0],
- &ctx->Light.Material[1],
- sizeof(struct gl_material)) != 0)
- fallback = GL_TRUE;
- else if (ctx->Light.ColorMaterialEnabled &&
- (ctx->Light.ColorMaterialBitmask & BACK_MATERIAL_BITS) !=
- ((ctx->Light.ColorMaterialBitmask & FRONT_MATERIAL_BITS)<<1))
- fallback = GL_TRUE;
- }
-
- TCL_FALLBACK( ctx, R200_TCL_FALLBACK_LIGHT_TWOSIDE, fallback );
-}
-
-static void r200ColorMaterial( GLcontext *ctx, GLenum face, GLenum mode )
-{
- if (ctx->Light.ColorMaterialEnabled) {
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLuint light_model_ctl1 = rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_1];
- GLuint mask = ctx->Light.ColorMaterialBitmask;
-
- /* Default to PREMULT:
- */
- light_model_ctl1 &= ~((0xf << R200_FRONT_EMISSIVE_SOURCE_SHIFT) |
- (0xf << R200_FRONT_AMBIENT_SOURCE_SHIFT) |
- (0xf << R200_FRONT_DIFFUSE_SOURCE_SHIFT) |
- (0xf << R200_FRONT_SPECULAR_SOURCE_SHIFT));
-
- if (mask & FRONT_EMISSION_BIT) {
- light_model_ctl1 |= (R200_LM1_SOURCE_VERTEX_COLOR_0 <<
- R200_FRONT_EMISSIVE_SOURCE_SHIFT);
- }
-
- if (mask & FRONT_AMBIENT_BIT) {
- light_model_ctl1 |= (R200_LM1_SOURCE_VERTEX_COLOR_0 <<
- R200_FRONT_AMBIENT_SOURCE_SHIFT);
- }
-
- if (mask & FRONT_DIFFUSE_BIT) {
- light_model_ctl1 |= (R200_LM1_SOURCE_VERTEX_COLOR_0 <<
- R200_FRONT_DIFFUSE_SOURCE_SHIFT);
- }
-
- if (mask & FRONT_SPECULAR_BIT) {
- light_model_ctl1 |= (R200_LM1_SOURCE_VERTEX_COLOR_0 <<
- R200_FRONT_SPECULAR_SOURCE_SHIFT);
- }
-
- if (light_model_ctl1 != rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_1]) {
- GLuint p;
-
- R200_STATECHANGE( rmesa, tcl );
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_1] = light_model_ctl1;
-
- for (p = 0 ; p < MAX_LIGHTS; p++)
- update_light_colors( ctx, p );
- update_global_ambient( ctx );
- }
- }
-
- check_twoside_fallback( ctx );
-}
-
-void r200UpdateMaterial( GLcontext *ctx )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLfloat *fcmd = (GLfloat *)R200_DB_STATE( mtl[0] );
- GLuint p;
- GLuint mask = ~0;
-
- if (ctx->Light.ColorMaterialEnabled)
- mask &= ~ctx->Light.ColorMaterialBitmask;
-
- if (R200_DEBUG & DEBUG_STATE)
- fprintf(stderr, "%s\n", __FUNCTION__);
-
-
- if (mask & FRONT_EMISSION_BIT) {
- fcmd[MTL_EMMISSIVE_RED] = ctx->Light.Material[0].Emission[0];
- fcmd[MTL_EMMISSIVE_GREEN] = ctx->Light.Material[0].Emission[1];
- fcmd[MTL_EMMISSIVE_BLUE] = ctx->Light.Material[0].Emission[2];
- fcmd[MTL_EMMISSIVE_ALPHA] = ctx->Light.Material[0].Emission[3];
- }
- if (mask & FRONT_AMBIENT_BIT) {
- fcmd[MTL_AMBIENT_RED] = ctx->Light.Material[0].Ambient[0];
- fcmd[MTL_AMBIENT_GREEN] = ctx->Light.Material[0].Ambient[1];
- fcmd[MTL_AMBIENT_BLUE] = ctx->Light.Material[0].Ambient[2];
- fcmd[MTL_AMBIENT_ALPHA] = ctx->Light.Material[0].Ambient[3];
- }
- if (mask & FRONT_DIFFUSE_BIT) {
- fcmd[MTL_DIFFUSE_RED] = ctx->Light.Material[0].Diffuse[0];
- fcmd[MTL_DIFFUSE_GREEN] = ctx->Light.Material[0].Diffuse[1];
- fcmd[MTL_DIFFUSE_BLUE] = ctx->Light.Material[0].Diffuse[2];
- fcmd[MTL_DIFFUSE_ALPHA] = ctx->Light.Material[0].Diffuse[3];
- }
- if (mask & FRONT_SPECULAR_BIT) {
- fcmd[MTL_SPECULAR_RED] = ctx->Light.Material[0].Specular[0];
- fcmd[MTL_SPECULAR_GREEN] = ctx->Light.Material[0].Specular[1];
- fcmd[MTL_SPECULAR_BLUE] = ctx->Light.Material[0].Specular[2];
- fcmd[MTL_SPECULAR_ALPHA] = ctx->Light.Material[0].Specular[3];
- }
- if (mask & FRONT_SHININESS_BIT) {
- fcmd[MTL_SHININESS] = ctx->Light.Material[0].Shininess;
- }
-
- if (R200_DB_STATECHANGE( rmesa, &rmesa->hw.mtl[0] )) {
- for (p = 0 ; p < MAX_LIGHTS; p++)
- update_light_colors( ctx, p );
-
- check_twoside_fallback( ctx );
- update_global_ambient( ctx );
- }
- else if (R200_DEBUG & (DEBUG_PRIMS|DEBUG_STATE))
- fprintf(stderr, "%s: Elided noop material call\n", __FUNCTION__);
-}
-
-/* _NEW_LIGHT
- * _NEW_MODELVIEW
- * _MESA_NEW_NEED_EYE_COORDS
- *
- * Uses derived state from mesa:
- * _VP_inf_norm
- * _h_inf_norm
- * _Position
- * _NormDirection
- * _ModelViewInvScale
- * _NeedEyeCoords
- * _EyeZDir
- *
- * which are calculated in light.c and are correct for the current
- * lighting space (model or eye), hence dependencies on _NEW_MODELVIEW
- * and _MESA_NEW_NEED_EYE_COORDS.
- */
-static void update_light( GLcontext *ctx )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
-
- /* Have to check these, or have an automatic shortcircuit mechanism
- * to remove noop statechanges. (Or just do a better job on the
- * front end).
- */
- {
- GLuint tmp = rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0];
-
- if (ctx->_NeedEyeCoords)
- tmp &= ~R200_LIGHT_IN_MODELSPACE;
- else
- tmp |= R200_LIGHT_IN_MODELSPACE;
-
- if (tmp != rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0])
- {
- R200_STATECHANGE( rmesa, tcl );
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] = tmp;
- }
- }
-
- {
- GLfloat *fcmd = (GLfloat *)R200_DB_STATE( eye );
- fcmd[EYE_X] = ctx->_EyeZDir[0];
- fcmd[EYE_Y] = ctx->_EyeZDir[1];
- fcmd[EYE_Z] = - ctx->_EyeZDir[2];
- fcmd[EYE_RESCALE_FACTOR] = ctx->_ModelViewInvScale;
- R200_DB_STATECHANGE( rmesa, &rmesa->hw.eye );
- }
-
-
-
- if (ctx->Light.Enabled) {
- GLint p;
- for (p = 0 ; p < MAX_LIGHTS; p++) {
- if (ctx->Light.Light[p].Enabled) {
- struct gl_light *l = &ctx->Light.Light[p];
- GLfloat *fcmd = (GLfloat *)R200_DB_STATE( lit[p] );
-
- if (l->EyePosition[3] == 0.0) {
- COPY_3FV( &fcmd[LIT_POSITION_X], l->_VP_inf_norm );
- COPY_3FV( &fcmd[LIT_DIRECTION_X], l->_h_inf_norm );
- fcmd[LIT_POSITION_W] = 0;
- fcmd[LIT_DIRECTION_W] = 0;
- } else {
- COPY_4V( &fcmd[LIT_POSITION_X], l->_Position );
- fcmd[LIT_DIRECTION_X] = -l->_NormDirection[0];
- fcmd[LIT_DIRECTION_Y] = -l->_NormDirection[1];
- fcmd[LIT_DIRECTION_Z] = -l->_NormDirection[2];
- fcmd[LIT_DIRECTION_W] = 0;
- }
-
- R200_DB_STATECHANGE( rmesa, &rmesa->hw.lit[p] );
- }
- }
- }
-}
-
-static void r200Lightfv( GLcontext *ctx, GLenum light,
- GLenum pname, const GLfloat *params )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLint p = light - GL_LIGHT0;
- struct gl_light *l = &ctx->Light.Light[p];
- GLfloat *fcmd = (GLfloat *)rmesa->hw.lit[p].cmd;
-
-
- switch (pname) {
- case GL_AMBIENT:
- case GL_DIFFUSE:
- case GL_SPECULAR:
- update_light_colors( ctx, p );
- break;
-
- case GL_SPOT_DIRECTION:
- /* picked up in update_light */
- break;
-
- case GL_POSITION: {
- /* positions picked up in update_light, but can do flag here */
- GLuint flag = (p&1)? R200_LIGHT_1_IS_LOCAL : R200_LIGHT_0_IS_LOCAL;
- GLuint idx = TCL_PER_LIGHT_CTL_0 + p/2;
-
- R200_STATECHANGE(rmesa, tcl);
- if (l->EyePosition[3] != 0.0F)
- rmesa->hw.tcl.cmd[idx] |= flag;
- else
- rmesa->hw.tcl.cmd[idx] &= ~flag;
- break;
- }
-
- case GL_SPOT_EXPONENT:
- R200_STATECHANGE(rmesa, lit[p]);
- fcmd[LIT_SPOT_EXPONENT] = params[0];
- break;
-
- case GL_SPOT_CUTOFF: {
- GLuint flag = (p&1) ? R200_LIGHT_1_IS_SPOT : R200_LIGHT_0_IS_SPOT;
- GLuint idx = TCL_PER_LIGHT_CTL_0 + p/2;
-
- R200_STATECHANGE(rmesa, lit[p]);
- fcmd[LIT_SPOT_CUTOFF] = l->_CosCutoff;
-
- R200_STATECHANGE(rmesa, tcl);
- if (l->SpotCutoff != 180.0F)
- rmesa->hw.tcl.cmd[idx] |= flag;
- else
- rmesa->hw.tcl.cmd[idx] &= ~flag;
-
- break;
- }
-
- case GL_CONSTANT_ATTENUATION:
- R200_STATECHANGE(rmesa, lit[p]);
- fcmd[LIT_ATTEN_CONST] = params[0];
- break;
- case GL_LINEAR_ATTENUATION:
- R200_STATECHANGE(rmesa, lit[p]);
- fcmd[LIT_ATTEN_LINEAR] = params[0];
- break;
- case GL_QUADRATIC_ATTENUATION:
- R200_STATECHANGE(rmesa, lit[p]);
- fcmd[LIT_ATTEN_QUADRATIC] = params[0];
- break;
- default:
- return;
- }
-
-}
-
-
-
-
-static void r200LightModelfv( GLcontext *ctx, GLenum pname,
- const GLfloat *param )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
-
- switch (pname) {
- case GL_LIGHT_MODEL_AMBIENT:
- update_global_ambient( ctx );
- break;
-
- case GL_LIGHT_MODEL_LOCAL_VIEWER:
- R200_STATECHANGE( rmesa, tcl );
- if (ctx->Light.Model.LocalViewer)
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_LOCAL_VIEWER;
- else
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &= ~R200_LOCAL_VIEWER;
- break;
-
- case GL_LIGHT_MODEL_TWO_SIDE:
- R200_STATECHANGE( rmesa, tcl );
- if (ctx->Light.Model.TwoSide)
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_LIGHT_TWOSIDE;
- else
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &= ~R200_LIGHT_TWOSIDE;
-
- check_twoside_fallback( ctx );
-
- if (rmesa->TclFallback) {
- r200ChooseRenderState( ctx );
- r200ChooseVertexState( ctx );
- }
- break;
-
- case GL_LIGHT_MODEL_COLOR_CONTROL:
- r200UpdateSpecular(ctx);
- break;
-
- default:
- break;
- }
-}
-
-static void r200ShadeModel( GLcontext *ctx, GLenum mode )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLuint s = rmesa->hw.set.cmd[SET_SE_CNTL];
-
- s &= ~(R200_DIFFUSE_SHADE_MASK |
- R200_ALPHA_SHADE_MASK |
- R200_SPECULAR_SHADE_MASK |
- R200_FOG_SHADE_MASK);
-
- switch ( mode ) {
- case GL_FLAT:
- s |= (R200_DIFFUSE_SHADE_FLAT |
- R200_ALPHA_SHADE_FLAT |
- R200_SPECULAR_SHADE_FLAT |
- R200_FOG_SHADE_FLAT);
- break;
- case GL_SMOOTH:
- s |= (R200_DIFFUSE_SHADE_GOURAUD |
- R200_ALPHA_SHADE_GOURAUD |
- R200_SPECULAR_SHADE_GOURAUD |
- R200_FOG_SHADE_GOURAUD);
- break;
- default:
- return;
- }
-
- if ( rmesa->hw.set.cmd[SET_SE_CNTL] != s ) {
- R200_STATECHANGE( rmesa, set );
- rmesa->hw.set.cmd[SET_SE_CNTL] = s;
- }
-}
-
-
-/* =============================================================
- * User clip planes
- */
-
-static void r200ClipPlane( GLcontext *ctx, GLenum plane, const GLfloat *eq )
-{
- GLint p = (GLint) plane - (GLint) GL_CLIP_PLANE0;
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLint *ip = (GLint *)ctx->Transform._ClipUserPlane[p];
-
- R200_STATECHANGE( rmesa, ucp[p] );
- rmesa->hw.ucp[p].cmd[UCP_X] = ip[0];
- rmesa->hw.ucp[p].cmd[UCP_Y] = ip[1];
- rmesa->hw.ucp[p].cmd[UCP_Z] = ip[2];
- rmesa->hw.ucp[p].cmd[UCP_W] = ip[3];
-}
-
-static void r200UpdateClipPlanes( GLcontext *ctx )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLuint p;
-
- for (p = 0; p < ctx->Const.MaxClipPlanes; p++) {
- if (ctx->Transform.ClipPlanesEnabled & (1 << p)) {
- GLint *ip = (GLint *)ctx->Transform._ClipUserPlane[p];
-
- R200_STATECHANGE( rmesa, ucp[p] );
- rmesa->hw.ucp[p].cmd[UCP_X] = ip[0];
- rmesa->hw.ucp[p].cmd[UCP_Y] = ip[1];
- rmesa->hw.ucp[p].cmd[UCP_Z] = ip[2];
- rmesa->hw.ucp[p].cmd[UCP_W] = ip[3];
- }
- }
-}
-
-
-/* =============================================================
- * Stencil
- */
-
-static void r200StencilFunc( GLcontext *ctx, GLenum func,
- GLint ref, GLuint mask )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLuint refmask = ((ctx->Stencil.Ref[0] << R200_STENCIL_REF_SHIFT) |
- (ctx->Stencil.ValueMask[0] << R200_STENCIL_MASK_SHIFT));
-
- R200_STATECHANGE( rmesa, ctx );
- R200_STATECHANGE( rmesa, msk );
-
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] &= ~R200_STENCIL_TEST_MASK;
- rmesa->hw.msk.cmd[MSK_RB3D_STENCILREFMASK] &= ~(R200_STENCIL_REF_MASK|
- R200_STENCIL_VALUE_MASK);
-
- switch ( ctx->Stencil.Function[0] ) {
- case GL_NEVER:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_NEVER;
- break;
- case GL_LESS:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_LESS;
- break;
- case GL_EQUAL:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_EQUAL;
- break;
- case GL_LEQUAL:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_LEQUAL;
- break;
- case GL_GREATER:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_GREATER;
- break;
- case GL_NOTEQUAL:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_NEQUAL;
- break;
- case GL_GEQUAL:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_GEQUAL;
- break;
- case GL_ALWAYS:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_TEST_ALWAYS;
- break;
- }
-
- rmesa->hw.msk.cmd[MSK_RB3D_STENCILREFMASK] |= refmask;
-}
-
-static void r200StencilMask( GLcontext *ctx, GLuint mask )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
-
- R200_STATECHANGE( rmesa, msk );
- rmesa->hw.msk.cmd[MSK_RB3D_STENCILREFMASK] &= ~R200_STENCIL_WRITE_MASK;
- rmesa->hw.msk.cmd[MSK_RB3D_STENCILREFMASK] |=
- (ctx->Stencil.WriteMask[0] << R200_STENCIL_WRITEMASK_SHIFT);
-}
-
-static void r200StencilOp( GLcontext *ctx, GLenum fail,
- GLenum zfail, GLenum zpass )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
-
- R200_STATECHANGE( rmesa, ctx );
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] &= ~(R200_STENCIL_FAIL_MASK |
- R200_STENCIL_ZFAIL_MASK |
- R200_STENCIL_ZPASS_MASK);
-
- switch ( ctx->Stencil.FailFunc[0] ) {
- case GL_KEEP:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_KEEP;
- break;
- case GL_ZERO:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_ZERO;
- break;
- case GL_REPLACE:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_REPLACE;
- break;
- case GL_INCR:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_INC;
- break;
- case GL_DECR:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_DEC;
- break;
- case GL_INCR_WRAP_EXT:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_INC_WRAP;
- break;
- case GL_DECR_WRAP_EXT:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_DEC_WRAP;
- break;
- case GL_INVERT:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_FAIL_INVERT;
- break;
- }
-
- switch ( ctx->Stencil.ZFailFunc[0] ) {
- case GL_KEEP:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_KEEP;
- break;
- case GL_ZERO:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_ZERO;
- break;
- case GL_REPLACE:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_REPLACE;
- break;
- case GL_INCR:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_INC;
- break;
- case GL_DECR:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_DEC;
- break;
- case GL_INCR_WRAP_EXT:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_INC_WRAP;
- break;
- case GL_DECR_WRAP_EXT:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_DEC_WRAP;
- break;
- case GL_INVERT:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZFAIL_INVERT;
- break;
- }
-
- switch ( ctx->Stencil.ZPassFunc[0] ) {
- case GL_KEEP:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_KEEP;
- break;
- case GL_ZERO:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_ZERO;
- break;
- case GL_REPLACE:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_REPLACE;
- break;
- case GL_INCR:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_INC;
- break;
- case GL_DECR:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_DEC;
- break;
- case GL_INCR_WRAP_EXT:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_INC_WRAP;
- break;
- case GL_DECR_WRAP_EXT:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_DEC_WRAP;
- break;
- case GL_INVERT:
- rmesa->hw.ctx.cmd[CTX_RB3D_ZSTENCILCNTL] |= R200_STENCIL_ZPASS_INVERT;
- break;
- }
-}
-
-static void r200ClearStencil( GLcontext *ctx, GLint s )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
-
- rmesa->state.stencil.clear =
- ((GLuint) ctx->Stencil.Clear |
- (0xff << R200_STENCIL_MASK_SHIFT) |
- (ctx->Stencil.WriteMask[0] << R200_STENCIL_WRITEMASK_SHIFT));
-}
-
-
-/* =============================================================
- * Window position and viewport transformation
- */
-
-/*
- * To correctly position primitives:
- */
-#define SUBPIXEL_X 0.125
-#define SUBPIXEL_Y 0.125
-
-void r200UpdateWindow( GLcontext *ctx )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- __DRIdrawablePrivate *dPriv = rmesa->dri.drawable;
- GLfloat xoffset = (GLfloat)dPriv->x;
- GLfloat yoffset = (GLfloat)dPriv->y + dPriv->h;
- const GLfloat *v = ctx->Viewport._WindowMap.m;
-
- GLfloat sx = v[MAT_SX];
- GLfloat tx = v[MAT_TX] + xoffset + SUBPIXEL_X;
- GLfloat sy = - v[MAT_SY];
- GLfloat ty = (- v[MAT_TY]) + yoffset + SUBPIXEL_Y;
- GLfloat sz = v[MAT_SZ] * rmesa->state.depth.scale;
- GLfloat tz = v[MAT_TZ] * rmesa->state.depth.scale;
-
- R200_FIREVERTICES( rmesa );
- R200_STATECHANGE( rmesa, vpt );
-
- rmesa->hw.vpt.cmd[VPT_SE_VPORT_XSCALE] = *(GLuint *)&sx;
- rmesa->hw.vpt.cmd[VPT_SE_VPORT_XOFFSET] = *(GLuint *)&tx;
- rmesa->hw.vpt.cmd[VPT_SE_VPORT_YSCALE] = *(GLuint *)&sy;
- rmesa->hw.vpt.cmd[VPT_SE_VPORT_YOFFSET] = *(GLuint *)&ty;
- rmesa->hw.vpt.cmd[VPT_SE_VPORT_ZSCALE] = *(GLuint *)&sz;
- rmesa->hw.vpt.cmd[VPT_SE_VPORT_ZOFFSET] = *(GLuint *)&tz;
-}
-
-
-
-static void r200Viewport( GLcontext *ctx, GLint x, GLint y,
- GLsizei width, GLsizei height )
-{
- /* Don't pipeline viewport changes, conflict with window offset
- * setting below. Could apply deltas to rescue pipelined viewport
- * values, or keep the originals hanging around.
- */
- R200_FIREVERTICES( R200_CONTEXT(ctx) );
- r200UpdateWindow( ctx );
-}
-
-static void r200DepthRange( GLcontext *ctx, GLclampd nearval,
- GLclampd farval )
-{
- r200UpdateWindow( ctx );
-}
-
-void r200UpdateViewportOffset( GLcontext *ctx )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- __DRIdrawablePrivate *dPriv = rmesa->dri.drawable;
- GLfloat xoffset = (GLfloat)dPriv->x;
- GLfloat yoffset = (GLfloat)dPriv->y + dPriv->h;
- const GLfloat *v = ctx->Viewport._WindowMap.m;
-
- GLfloat tx = v[MAT_TX] + xoffset;
- GLfloat ty = (- v[MAT_TY]) + yoffset;
-
- if ( rmesa->hw.vpt.cmd[VPT_SE_VPORT_XOFFSET] != *(GLuint *)&tx ||
- rmesa->hw.vpt.cmd[VPT_SE_VPORT_YOFFSET] != *(GLuint *)&ty )
- {
- /* Note: this should also modify whatever data the context reset
- * code uses...
- */
- rmesa->hw.vpt.cmd[VPT_SE_VPORT_XOFFSET] = *(GLuint *)&tx;
- rmesa->hw.vpt.cmd[VPT_SE_VPORT_YOFFSET] = *(GLuint *)&ty;
-
- /* update polygon stipple x/y screen offset */
- {
- GLuint stx, sty;
- GLuint m = rmesa->hw.msc.cmd[MSC_RE_MISC];
-
- m &= ~(R200_STIPPLE_X_OFFSET_MASK |
- R200_STIPPLE_Y_OFFSET_MASK);
-
- /* add magic offsets, then invert */
- stx = 31 - ((rmesa->dri.drawable->x - 1) & R200_STIPPLE_COORD_MASK);
- sty = 31 - ((rmesa->dri.drawable->y + rmesa->dri.drawable->h - 1)
- & R200_STIPPLE_COORD_MASK);
-
- m |= ((stx << R200_STIPPLE_X_OFFSET_SHIFT) |
- (sty << R200_STIPPLE_Y_OFFSET_SHIFT));
-
- if ( rmesa->hw.msc.cmd[MSC_RE_MISC] != m ) {
- R200_STATECHANGE( rmesa, msc );
- rmesa->hw.msc.cmd[MSC_RE_MISC] = m;
- }
- }
- }
-
- r200UpdateScissor( ctx );
-}
-
-
-
-/* =============================================================
- * Miscellaneous
- */
-
-static void r200ClearColor( GLcontext *ctx, const GLfloat c[4] )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLubyte color[4];
- CLAMPED_FLOAT_TO_UBYTE(color[0], c[0]);
- CLAMPED_FLOAT_TO_UBYTE(color[1], c[1]);
- CLAMPED_FLOAT_TO_UBYTE(color[2], c[2]);
- CLAMPED_FLOAT_TO_UBYTE(color[3], c[3]);
- rmesa->state.color.clear = r200PackColor( rmesa->r200Screen->cpp,
- color[0], color[1],
- color[2], color[3] );
-}
-
-
-static void r200RenderMode( GLcontext *ctx, GLenum mode )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- FALLBACK( rmesa, R200_FALLBACK_RENDER_MODE, (mode != GL_RENDER) );
-}
-
-
-static GLuint r200_rop_tab[] = {
- R200_ROP_CLEAR,
- R200_ROP_AND,
- R200_ROP_AND_REVERSE,
- R200_ROP_COPY,
- R200_ROP_AND_INVERTED,
- R200_ROP_NOOP,
- R200_ROP_XOR,
- R200_ROP_OR,
- R200_ROP_NOR,
- R200_ROP_EQUIV,
- R200_ROP_INVERT,
- R200_ROP_OR_REVERSE,
- R200_ROP_COPY_INVERTED,
- R200_ROP_OR_INVERTED,
- R200_ROP_NAND,
- R200_ROP_SET,
-};
-
-static void r200LogicOpCode( GLcontext *ctx, GLenum opcode )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLuint rop = (GLuint)opcode - GL_CLEAR;
-
- ASSERT( rop < 16 );
-
- R200_STATECHANGE( rmesa, msk );
- rmesa->hw.msk.cmd[MSK_RB3D_ROPCNTL] = r200_rop_tab[rop];
-}
-
-
-void r200SetCliprects( r200ContextPtr rmesa, GLenum mode )
-{
- __DRIdrawablePrivate *dPriv = rmesa->dri.drawable;
-
- switch ( mode ) {
- case GL_FRONT_LEFT:
- rmesa->numClipRects = dPriv->numClipRects;
- rmesa->pClipRects = (XF86DRIClipRectPtr)dPriv->pClipRects;
- break;
- case GL_BACK_LEFT:
- /* Can't ignore 2d windows if we are page flipping.
- */
- if ( dPriv->numBackClipRects == 0 || rmesa->doPageFlip ) {
- rmesa->numClipRects = dPriv->numClipRects;
- rmesa->pClipRects = (XF86DRIClipRectPtr)dPriv->pClipRects;
- }
- else {
- rmesa->numClipRects = dPriv->numBackClipRects;
- rmesa->pClipRects = (XF86DRIClipRectPtr)dPriv->pBackClipRects;
- }
- break;
- default:
- fprintf(stderr, "bad mode in r200SetCliprects\n");
- return;
- }
-
- if (rmesa->state.scissor.enabled)
- r200RecalcScissorRects( rmesa );
-}
-
-
-static void r200DrawBuffer( GLcontext *ctx, GLenum mode )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
-
- if (R200_DEBUG & DEBUG_DRI)
- fprintf(stderr, "%s %s\n", __FUNCTION__,
- _mesa_lookup_enum_by_nr( mode ));
-
- R200_FIREVERTICES(rmesa); /* don't pipeline cliprect changes */
-
- /*
- * _DrawDestMask is easier to cope with than <mode>.
- */
- switch ( ctx->Color._DrawDestMask ) {
- case FRONT_LEFT_BIT:
- FALLBACK( rmesa, R200_FALLBACK_DRAW_BUFFER, GL_FALSE );
- r200SetCliprects( rmesa, GL_FRONT_LEFT );
- break;
- case BACK_LEFT_BIT:
- FALLBACK( rmesa, R200_FALLBACK_DRAW_BUFFER, GL_FALSE );
- r200SetCliprects( rmesa, GL_BACK_LEFT );
- break;
- default:
- /* GL_NONE or GL_FRONT_AND_BACK or stereo left&right, etc */
- FALLBACK( rmesa, R200_FALLBACK_DRAW_BUFFER, GL_TRUE );
- return;
- }
-
- /* We want to update the s/w rast state too so that r200SetBuffer()
- * gets called.
- */
- _swrast_DrawBuffer(ctx, mode);
-
- R200_STATECHANGE( rmesa, ctx );
- rmesa->hw.ctx.cmd[CTX_RB3D_COLOROFFSET] = (rmesa->state.color.drawOffset &
- R200_COLOROFFSET_MASK);
- rmesa->hw.ctx.cmd[CTX_RB3D_COLORPITCH] = rmesa->state.color.drawPitch;
-}
-
-
-static void r200ReadBuffer( GLcontext *ctx, GLenum mode )
-{
- /* nothing, until we implement h/w glRead/CopyPixels or CopyTexImage */
-}
-
-/* =============================================================
- * State enable/disable
- */
-
-static void r200Enable( GLcontext *ctx, GLenum cap, GLboolean state )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLuint p, flag;
-
- if ( R200_DEBUG & DEBUG_STATE )
- fprintf( stderr, "%s( %s = %s )\n", __FUNCTION__,
- _mesa_lookup_enum_by_nr( cap ),
- state ? "GL_TRUE" : "GL_FALSE" );
-
- switch ( cap ) {
- /* Fast track this one...
- */
- case GL_TEXTURE_1D:
- case GL_TEXTURE_2D:
- case GL_TEXTURE_3D:
- break;
-
- case GL_ALPHA_TEST:
- R200_STATECHANGE( rmesa, ctx );
- if (state) {
- rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_ALPHA_TEST_ENABLE;
- } else {
- rmesa->hw.ctx.cmd[CTX_PP_CNTL] &= ~R200_ALPHA_TEST_ENABLE;
- }
- break;
-
- case GL_BLEND:
- R200_STATECHANGE( rmesa, ctx );
- if (state) {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] |= R200_ALPHA_BLEND_ENABLE;
- } else {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &= ~R200_ALPHA_BLEND_ENABLE;
- }
- if ( ctx->Color.ColorLogicOpEnabled ) {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] |= R200_ROP_ENABLE;
- } else {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &= ~R200_ROP_ENABLE;
- }
- break;
-
- case GL_CLIP_PLANE0:
- case GL_CLIP_PLANE1:
- case GL_CLIP_PLANE2:
- case GL_CLIP_PLANE3:
- case GL_CLIP_PLANE4:
- case GL_CLIP_PLANE5:
- p = cap-GL_CLIP_PLANE0;
- R200_STATECHANGE( rmesa, tcl );
- if (state) {
- rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] |= (R200_UCP_ENABLE_0<<p);
- r200ClipPlane( ctx, cap, NULL );
- }
- else {
- rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] &= ~(R200_UCP_ENABLE_0<<p);
- }
- break;
-
- case GL_COLOR_MATERIAL:
- r200ColorMaterial( ctx, 0, 0 );
- if (!state)
- r200UpdateMaterial( ctx );
- break;
-
- case GL_CULL_FACE:
- r200CullFace( ctx, 0 );
- break;
-
- case GL_DEPTH_TEST:
- R200_STATECHANGE(rmesa, ctx );
- if ( state ) {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] |= R200_Z_ENABLE;
- } else {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &= ~R200_Z_ENABLE;
- }
- break;
-
- case GL_DITHER:
- R200_STATECHANGE(rmesa, ctx );
- if ( state ) {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] |= R200_DITHER_ENABLE;
- } else {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &= ~R200_DITHER_ENABLE;
- }
- break;
-
- case GL_FOG:
- R200_STATECHANGE(rmesa, ctx );
- if ( state ) {
- rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_FOG_ENABLE;
- r200Fogfv( ctx, GL_FOG_MODE, 0 );
- } else {
- rmesa->hw.ctx.cmd[CTX_PP_CNTL] &= ~R200_FOG_ENABLE;
- R200_STATECHANGE(rmesa, tcl);
- rmesa->hw.tcl.cmd[TCL_UCP_VERT_BLEND_CTL] &= ~R200_TCL_FOG_MASK;
- }
- r200UpdateSpecular( ctx ); /* for PK_SPEC */
- break;
-
- case GL_LIGHT0:
- case GL_LIGHT1:
- case GL_LIGHT2:
- case GL_LIGHT3:
- case GL_LIGHT4:
- case GL_LIGHT5:
- case GL_LIGHT6:
- case GL_LIGHT7:
- R200_STATECHANGE(rmesa, tcl);
- p = cap - GL_LIGHT0;
- if (p&1)
- flag = (R200_LIGHT_1_ENABLE |
- R200_LIGHT_1_ENABLE_AMBIENT |
- R200_LIGHT_1_ENABLE_SPECULAR);
- else
- flag = (R200_LIGHT_0_ENABLE |
- R200_LIGHT_0_ENABLE_AMBIENT |
- R200_LIGHT_0_ENABLE_SPECULAR);
-
- if (state)
- rmesa->hw.tcl.cmd[p/2 + TCL_PER_LIGHT_CTL_0] |= flag;
- else
- rmesa->hw.tcl.cmd[p/2 + TCL_PER_LIGHT_CTL_0] &= ~flag;
-
- /*
- */
- update_light_colors( ctx, p );
- break;
-
- case GL_LIGHTING:
- r200UpdateSpecular(ctx);
- check_twoside_fallback( ctx );
- break;
-
- case GL_LINE_SMOOTH:
- R200_STATECHANGE( rmesa, ctx );
- if ( state ) {
- rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_ANTI_ALIAS_LINE;
- } else {
- rmesa->hw.ctx.cmd[CTX_PP_CNTL] &= ~R200_ANTI_ALIAS_LINE;
- }
- break;
-
- case GL_LINE_STIPPLE:
- R200_STATECHANGE( rmesa, set );
- if ( state ) {
- rmesa->hw.set.cmd[SET_RE_CNTL] |= R200_PATTERN_ENABLE;
- } else {
- rmesa->hw.set.cmd[SET_RE_CNTL] &= ~R200_PATTERN_ENABLE;
- }
- break;
-
- case GL_COLOR_LOGIC_OP:
- R200_STATECHANGE( rmesa, ctx );
- if ( state ) {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] |= R200_ROP_ENABLE;
- } else {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &= ~R200_ROP_ENABLE;
- }
- break;
-
- case GL_NORMALIZE:
- R200_STATECHANGE( rmesa, tcl );
- if ( state ) {
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_NORMALIZE_NORMALS;
- } else {
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &= ~R200_NORMALIZE_NORMALS;
- }
- break;
-
- /* Pointsize registers on r200 don't seem to do anything. Maybe
- * have to pass pointsizes as vertex parameters? In any case,
- * setting pointmin == pointsizemax == 1.0, and doing nothing
- * for aa is enough to satisfy conform.
- */
- case GL_POINT_SMOOTH:
- break;
-
- /* These don't really do anything, as we don't use the 3vtx
- * primitives yet.
- */
-#if 0
- case GL_POLYGON_OFFSET_POINT:
- R200_STATECHANGE( rmesa, set );
- if ( state ) {
- rmesa->hw.set.cmd[SET_SE_CNTL] |= R200_ZBIAS_ENABLE_POINT;
- } else {
- rmesa->hw.set.cmd[SET_SE_CNTL] &= ~R200_ZBIAS_ENABLE_POINT;
- }
- break;
-
- case GL_POLYGON_OFFSET_LINE:
- R200_STATECHANGE( rmesa, set );
- if ( state ) {
- rmesa->hw.set.cmd[SET_SE_CNTL] |= R200_ZBIAS_ENABLE_LINE;
- } else {
- rmesa->hw.set.cmd[SET_SE_CNTL] &= ~R200_ZBIAS_ENABLE_LINE;
- }
- break;
-#endif
-
- case GL_POLYGON_OFFSET_FILL:
- R200_STATECHANGE( rmesa, set );
- if ( state ) {
- rmesa->hw.set.cmd[SET_SE_CNTL] |= R200_ZBIAS_ENABLE_TRI;
- } else {
- rmesa->hw.set.cmd[SET_SE_CNTL] &= ~R200_ZBIAS_ENABLE_TRI;
- }
- break;
-
- case GL_POLYGON_SMOOTH:
- R200_STATECHANGE( rmesa, ctx );
- if ( state ) {
- rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_ANTI_ALIAS_POLY;
- } else {
- rmesa->hw.ctx.cmd[CTX_PP_CNTL] &= ~R200_ANTI_ALIAS_POLY;
- }
- break;
-
- case GL_POLYGON_STIPPLE:
- R200_STATECHANGE(rmesa, set );
- if ( state ) {
- rmesa->hw.set.cmd[SET_RE_CNTL] |= R200_STIPPLE_ENABLE;
- } else {
- rmesa->hw.set.cmd[SET_RE_CNTL] &= ~R200_STIPPLE_ENABLE;
- }
- break;
-
- case GL_RESCALE_NORMAL_EXT: {
- GLboolean tmp = ctx->_NeedEyeCoords ? state : !state;
- R200_STATECHANGE( rmesa, tcl );
- if ( tmp ) {
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_RESCALE_NORMALS;
- } else {
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &= ~R200_RESCALE_NORMALS;
- }
- break;
- }
-
- case GL_SCISSOR_TEST:
- R200_FIREVERTICES( rmesa );
- rmesa->state.scissor.enabled = state;
- r200UpdateScissor( ctx );
- break;
-
- case GL_STENCIL_TEST:
- if ( rmesa->state.stencil.hwBuffer ) {
- R200_STATECHANGE( rmesa, ctx );
- if ( state ) {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] |= R200_STENCIL_ENABLE;
- } else {
- rmesa->hw.ctx.cmd[CTX_RB3D_CNTL] &= ~R200_STENCIL_ENABLE;
- }
- } else {
- FALLBACK( rmesa, R200_FALLBACK_STENCIL, state );
- }
- break;
-
- case GL_TEXTURE_GEN_Q:
- case GL_TEXTURE_GEN_R:
- case GL_TEXTURE_GEN_S:
- case GL_TEXTURE_GEN_T:
- /* Picked up in r200UpdateTextureState.
- */
- rmesa->recheck_texgen[ctx->Texture.CurrentUnit] = GL_TRUE;
- break;
-
- case GL_COLOR_SUM_EXT:
- r200UpdateSpecular ( ctx );
- break;
-
- default:
- return;
- }
-}
-
-
-void r200LightingSpaceChange( GLcontext *ctx )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLboolean tmp;
-
- if (R200_DEBUG & DEBUG_STATE)
- fprintf(stderr, "%s %d BEFORE %x\n", __FUNCTION__, ctx->_NeedEyeCoords,
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0]);
-
- if (ctx->_NeedEyeCoords)
- tmp = ctx->Transform.RescaleNormals;
- else
- tmp = !ctx->Transform.RescaleNormals;
-
- R200_STATECHANGE( rmesa, tcl );
- if ( tmp ) {
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] |= R200_RESCALE_NORMALS;
- } else {
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0] &= ~R200_RESCALE_NORMALS;
- }
-
- if (R200_DEBUG & DEBUG_STATE)
- fprintf(stderr, "%s %d AFTER %x\n", __FUNCTION__, ctx->_NeedEyeCoords,
- rmesa->hw.tcl.cmd[TCL_LIGHT_MODEL_CTL_0]);
-}
-
-/* =============================================================
- * Deferred state management - matrices, textures, other?
- */
-
-
-
-
-static void upload_matrix( r200ContextPtr rmesa, GLfloat *src, int idx )
-{
- float *dest = ((float *)R200_DB_STATE( mat[idx] ))+MAT_ELT_0;
- int i;
-
-
- for (i = 0 ; i < 4 ; i++) {
- *dest++ = src[i];
- *dest++ = src[i+4];
- *dest++ = src[i+8];
- *dest++ = src[i+12];
- }
-
- R200_DB_STATECHANGE( rmesa, &rmesa->hw.mat[idx] );
-}
-
-static void upload_matrix_t( r200ContextPtr rmesa, const GLfloat *src, int idx )
-{
- float *dest = ((float *)R200_DB_STATE( mat[idx] ))+MAT_ELT_0;
- memcpy(dest, src, 16*sizeof(float));
- R200_DB_STATECHANGE( rmesa, &rmesa->hw.mat[idx] );
-}
-
-
-static void update_texturematrix( GLcontext *ctx )
-{
- r200ContextPtr rmesa = R200_CONTEXT( ctx );
- GLuint tpc = rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_0];
- GLuint compsel = rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL];
- int unit;
-
- if (R200_DEBUG & DEBUG_STATE)
- fprintf(stderr, "%s before COMPSEL: %x\n", __FUNCTION__,
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL]);
-
- rmesa->TexMatEnabled = 0;
- rmesa->TexMatCompSel = 0;
-
- for (unit = 0 ; unit < 2; unit++) {
- if (!ctx->Texture.Unit[unit]._ReallyEnabled)
- continue;
-
- if (ctx->TextureMatrixStack[unit].Top->type != MATRIX_IDENTITY) {
- rmesa->TexMatEnabled |= (R200_TEXGEN_TEXMAT_0_ENABLE|
- R200_TEXMAT_0_ENABLE) << unit;
-
- rmesa->TexMatCompSel |= R200_OUTPUT_TEX_0 << unit;
-
- if (rmesa->TexGenEnabled & (R200_TEXMAT_0_ENABLE << unit)) {
- /* Need to preconcatenate any active texgen
- * obj/eyeplane matrices:
- */
- _math_matrix_mul_matrix( &rmesa->tmpmat,
- &rmesa->TexGenMatrix[unit],
- ctx->TextureMatrixStack[unit].Top );
- upload_matrix( rmesa, rmesa->tmpmat.m, R200_MTX_TEX0+unit );
- }
- else {
- upload_matrix( rmesa, ctx->TextureMatrixStack[unit].Top->m,
- R200_MTX_TEX0+unit );
- }
- }
- else if (rmesa->TexGenEnabled & (R200_TEXMAT_0_ENABLE << unit)) {
- upload_matrix( rmesa, rmesa->TexGenMatrix[unit].m,
- R200_MTX_TEX0+unit );
- }
- }
-
- tpc = (rmesa->TexMatEnabled | rmesa->TexGenEnabled);
- if (tpc != rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_0] ||
- rmesa->TexGenInputs != rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_1]) {
- R200_STATECHANGE(rmesa, tcg);
- rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_0] = tpc;
- rmesa->hw.tcg.cmd[TCG_TEX_PROC_CTL_1] = rmesa->TexGenInputs;
- }
-
- compsel &= ~R200_OUTPUT_TEX_MASK;
- compsel |= rmesa->TexMatCompSel | rmesa->TexGenCompSel;
- if (compsel != rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL]) {
- R200_STATECHANGE(rmesa, vtx);
- rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_COMPSEL] = compsel;
- }
-}
-
-
-
-void r200ValidateState( GLcontext *ctx )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- GLuint new_state = rmesa->NewGLState;
-
- if (new_state & _NEW_TEXTURE) {
- r200UpdateTextureState( ctx );
- new_state |= rmesa->NewGLState; /* may add TEXTURE_MATRIX */
- }
-
- /* Need an event driven matrix update?
- */
- if (new_state & (_NEW_MODELVIEW|_NEW_PROJECTION))
- upload_matrix( rmesa, ctx->_ModelProjectMatrix.m, R200_MTX_MVP );
-
- /* Need these for lighting (shouldn't upload otherwise)
- */
- if (new_state & (_NEW_MODELVIEW)) {
- upload_matrix( rmesa, ctx->ModelviewMatrixStack.Top->m, R200_MTX_MV );
- upload_matrix_t( rmesa, ctx->ModelviewMatrixStack.Top->inv, R200_MTX_IMV );
- }
-
- /* Does this need to be triggered on eg. modelview for
- * texgen-derived objplane/eyeplane matrices?
- */
- if (new_state & (_NEW_TEXTURE|_NEW_TEXTURE_MATRIX)) {
- update_texturematrix( ctx );
- }
-
- if (new_state & (_NEW_LIGHT|_NEW_MODELVIEW|_MESA_NEW_NEED_EYE_COORDS)) {
- update_light( ctx );
- }
-
- /* emit all active clip planes if projection matrix changes.
- */
- if (new_state & (_NEW_PROJECTION)) {
- if (ctx->Transform.ClipPlanesEnabled)
- r200UpdateClipPlanes( ctx );
- }
-
-
- rmesa->NewGLState = 0;
-}
-
-
-static void r200InvalidateState( GLcontext *ctx, GLuint new_state )
-{
- _swrast_InvalidateState( ctx, new_state );
- _swsetup_InvalidateState( ctx, new_state );
- _ac_InvalidateState( ctx, new_state );
- _tnl_InvalidateState( ctx, new_state );
- _ae_invalidate_state( ctx, new_state );
- R200_CONTEXT(ctx)->NewGLState |= new_state;
- r200VtxfmtInvalidate( ctx );
-}
-
-static void r200WrapRunPipeline( GLcontext *ctx )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
- TNLcontext *tnl = TNL_CONTEXT(ctx);
-
- if (0)
- fprintf(stderr, "%s, newstate: %x\n", __FUNCTION__, rmesa->NewGLState);
-
- /* Validate state:
- */
- if (rmesa->NewGLState)
- r200ValidateState( ctx );
-
- if (tnl->vb.Material) {
- TCL_FALLBACK( ctx, R200_TCL_FALLBACK_MATERIAL, GL_TRUE );
- }
-
- /* Run the pipeline.
- */
- _tnl_run_pipeline( ctx );
-
- if (tnl->vb.Material) {
- TCL_FALLBACK( ctx, R200_TCL_FALLBACK_MATERIAL, GL_FALSE );
- r200UpdateMaterial( ctx ); /* not needed any more? */
- }
-}
-
-
-/* Initialize the driver's state functions.
- */
-void r200InitStateFuncs( GLcontext *ctx )
-{
- ctx->Driver.UpdateState = r200InvalidateState;
- ctx->Driver.LightingSpaceChange = r200LightingSpaceChange;
-
- ctx->Driver.DrawBuffer = r200DrawBuffer;
- ctx->Driver.ReadBuffer = r200ReadBuffer;
-
- ctx->Driver.AlphaFunc = r200AlphaFunc;
- ctx->Driver.BlendEquation = r200BlendEquation;
- ctx->Driver.BlendFunc = r200BlendFunc;
- ctx->Driver.BlendFuncSeparate = r200BlendFuncSeparate;
- ctx->Driver.ClearColor = r200ClearColor;
- ctx->Driver.ClearDepth = NULL;
- ctx->Driver.ClearIndex = NULL;
- ctx->Driver.ClearStencil = r200ClearStencil;
- ctx->Driver.ClipPlane = r200ClipPlane;
- ctx->Driver.ColorMask = r200ColorMask;
- ctx->Driver.CullFace = r200CullFace;
- ctx->Driver.DepthFunc = r200DepthFunc;
- ctx->Driver.DepthMask = r200DepthMask;
- ctx->Driver.DepthRange = r200DepthRange;
- ctx->Driver.Enable = r200Enable;
- ctx->Driver.Fogfv = r200Fogfv;
- ctx->Driver.FrontFace = r200FrontFace;
- ctx->Driver.Hint = NULL;
- ctx->Driver.IndexMask = NULL;
- ctx->Driver.LightModelfv = r200LightModelfv;
- ctx->Driver.Lightfv = r200Lightfv;
- ctx->Driver.LineStipple = r200LineStipple;
- ctx->Driver.LineWidth = r200LineWidth;
- ctx->Driver.LogicOpcode = r200LogicOpCode;
- ctx->Driver.PolygonMode = r200PolygonMode;
- ctx->Driver.PolygonOffset = r200PolygonOffset;
- ctx->Driver.PolygonStipple = r200PolygonStipple;
- ctx->Driver.PointSize = r200PointSize;
- ctx->Driver.RenderMode = r200RenderMode;
- ctx->Driver.Scissor = r200Scissor;
- ctx->Driver.ShadeModel = r200ShadeModel;
- ctx->Driver.StencilFunc = r200StencilFunc;
- ctx->Driver.StencilMask = r200StencilMask;
- ctx->Driver.StencilOp = r200StencilOp;
- ctx->Driver.Viewport = r200Viewport;
-
- /* Swrast hooks for imaging extensions:
- */
- ctx->Driver.CopyColorTable = _swrast_CopyColorTable;
- ctx->Driver.CopyColorSubTable = _swrast_CopyColorSubTable;
- ctx->Driver.CopyConvolutionFilter1D = _swrast_CopyConvolutionFilter1D;
- ctx->Driver.CopyConvolutionFilter2D = _swrast_CopyConvolutionFilter2D;
-
- TNL_CONTEXT(ctx)->Driver.NotifyMaterialChange = r200UpdateMaterial;
- TNL_CONTEXT(ctx)->Driver.RunPipeline = r200WrapRunPipeline;
-}
projects / mesa.git / commitdiff