diff options
Diffstat (limited to 'src/mesa/drivers/dri/tdfx/tdfx_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/tdfx/tdfx_state.c | 1429 |
1 files changed, 0 insertions, 1429 deletions
diff --git a/src/mesa/drivers/dri/tdfx/tdfx_state.c b/src/mesa/drivers/dri/tdfx/tdfx_state.c deleted file mode 100644 index b26b2c710b9..00000000000 --- a/src/mesa/drivers/dri/tdfx/tdfx_state.c +++ /dev/null @@ -1,1429 +0,0 @@ -/* -*- mode: c; c-basic-offset: 3 -*- - * - * Copyright 2000 VA Linux Systems Inc., Fremont, California. - * - * 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, 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 - * VA LINUX SYSTEMS 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. - */ - -/* - * New fixes: - * Daniel Borca <dborca@users.sourceforge.net>, 19 Jul 2004 - * - * Original rewrite: - * Gareth Hughes <gareth@valinux.com>, 29 Sep - 1 Oct 2000 - * - * Authors: - * Gareth Hughes <gareth@valinux.com> - * Brian Paul <brianp@valinux.com> - * Keith Whitwell <keith@tungstengraphics.com> (port to 3.5) - * - */ - -#include "main/mtypes.h" -#include "main/colormac.h" - -#include "swrast/swrast.h" -#include "vbo/vbo.h" -#include "tnl/tnl.h" -#include "tnl/t_pipeline.h" -#include "swrast_setup/swrast_setup.h" - -#include "tdfx_context.h" -#include "tdfx_state.h" -#include "tdfx_tex.h" -#include "tdfx_texman.h" -#include "tdfx_texstate.h" -#include "tdfx_render.h" - - - -/* ============================================================= - * Alpha blending - */ - -static void tdfxUpdateAlphaMode( struct gl_context *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - GrCmpFnc_t func; - GrAlphaBlendFnc_t srcRGB, dstRGB, srcA, dstA; - GrAlphaBlendOp_t eqRGB, eqA; - GrAlpha_t ref = (GLint) (ctx->Color.AlphaRef * 255.0); - - GLboolean isNapalm = TDFX_IS_NAPALM(fxMesa); - GLboolean have32bpp = (ctx->Visual.greenBits == 8); - GLboolean haveAlpha = fxMesa->haveHwAlpha; - - if ( TDFX_DEBUG & DEBUG_VERBOSE_API ) { - fprintf( stderr, "%s()\n", __FUNCTION__ ); - } - - if ( ctx->Color.AlphaEnabled ) { - func = ctx->Color.AlphaFunc - GL_NEVER + GR_CMP_NEVER; - } else { - func = GR_CMP_ALWAYS; - } - - if ( ctx->Color.BlendEnabled - && (fxMesa->Fallback & TDFX_FALLBACK_BLEND) == 0 ) { - switch ( ctx->Color.Blend[0].SrcRGB ) { - case GL_ZERO: - srcRGB = GR_BLEND_ZERO; - break; - case GL_ONE: - srcRGB = GR_BLEND_ONE; - break; - case GL_DST_COLOR: - srcRGB = GR_BLEND_DST_COLOR; - break; - case GL_ONE_MINUS_DST_COLOR: - srcRGB = GR_BLEND_ONE_MINUS_DST_COLOR; - break; - case GL_SRC_ALPHA: - srcRGB = GR_BLEND_SRC_ALPHA; - break; - case GL_ONE_MINUS_SRC_ALPHA: - srcRGB = GR_BLEND_ONE_MINUS_SRC_ALPHA; - break; - case GL_DST_ALPHA: - srcRGB = haveAlpha ? GR_BLEND_DST_ALPHA : GR_BLEND_ONE/*JJJ*/; - break; - case GL_ONE_MINUS_DST_ALPHA: - srcRGB = haveAlpha ? GR_BLEND_ONE_MINUS_DST_ALPHA : GR_BLEND_ZERO/*JJJ*/; - break; - case GL_SRC_ALPHA_SATURATE: - srcRGB = GR_BLEND_ALPHA_SATURATE; - break; - case GL_SRC_COLOR: - if (isNapalm) { - srcRGB = GR_BLEND_SAME_COLOR_EXT; - break; - } - case GL_ONE_MINUS_SRC_COLOR: - if (isNapalm) { - srcRGB = GR_BLEND_ONE_MINUS_SAME_COLOR_EXT; - break; - } - default: - srcRGB = GR_BLEND_ONE; - } - - switch ( ctx->Color.Blend[0].SrcA ) { - case GL_ZERO: - srcA = GR_BLEND_ZERO; - break; - case GL_ONE: - srcA = GR_BLEND_ONE; - break; - case GL_SRC_COLOR: - case GL_SRC_ALPHA: - srcA = have32bpp ? GR_BLEND_SRC_ALPHA : GR_BLEND_ONE/*JJJ*/; - break; - case GL_ONE_MINUS_SRC_COLOR: - case GL_ONE_MINUS_SRC_ALPHA: - srcA = have32bpp ? GR_BLEND_ONE_MINUS_SRC_ALPHA : GR_BLEND_ONE/*JJJ*/; - break; - case GL_DST_COLOR: - case GL_DST_ALPHA: - srcA = (have32bpp && haveAlpha) ? GR_BLEND_DST_ALPHA : GR_BLEND_ONE/*JJJ*/; - break; - case GL_ONE_MINUS_DST_COLOR: - case GL_ONE_MINUS_DST_ALPHA: - srcA = (have32bpp && haveAlpha) ? GR_BLEND_ONE_MINUS_DST_ALPHA : GR_BLEND_ZERO/*JJJ*/; - break; - case GL_SRC_ALPHA_SATURATE: - srcA = GR_BLEND_ONE; - break; - default: - srcA = GR_BLEND_ONE; - } - - switch ( ctx->Color.Blend[0].DstRGB ) { - case GL_ZERO: - dstRGB = GR_BLEND_ZERO; - break; - case GL_ONE: - dstRGB = GR_BLEND_ONE; - break; - case GL_SRC_COLOR: - dstRGB = GR_BLEND_SRC_COLOR; - break; - case GL_ONE_MINUS_SRC_COLOR: - dstRGB = GR_BLEND_ONE_MINUS_SRC_COLOR; - break; - case GL_SRC_ALPHA: - dstRGB = GR_BLEND_SRC_ALPHA; - break; - case GL_ONE_MINUS_SRC_ALPHA: - dstRGB = GR_BLEND_ONE_MINUS_SRC_ALPHA; - break; - case GL_DST_ALPHA: - dstRGB = haveAlpha ? GR_BLEND_DST_ALPHA : GR_BLEND_ONE/*JJJ*/; - break; - case GL_ONE_MINUS_DST_ALPHA: - dstRGB = haveAlpha ? GR_BLEND_ONE_MINUS_DST_ALPHA : GR_BLEND_ZERO/*JJJ*/; - break; - case GL_DST_COLOR: - if (isNapalm) { - dstRGB = GR_BLEND_SAME_COLOR_EXT; - break; - } - case GL_ONE_MINUS_DST_COLOR: - if (isNapalm) { - dstRGB = GR_BLEND_ONE_MINUS_SAME_COLOR_EXT; - break; - } - default: - dstRGB = GR_BLEND_ZERO; - } - - switch ( ctx->Color.Blend[0].DstA ) { - case GL_ZERO: - dstA = GR_BLEND_ZERO; - break; - case GL_ONE: - dstA = GR_BLEND_ONE; - break; - case GL_SRC_COLOR: - case GL_SRC_ALPHA: - dstA = have32bpp ? GR_BLEND_SRC_ALPHA : GR_BLEND_ZERO/*JJJ*/; - break; - case GL_ONE_MINUS_SRC_COLOR: - case GL_ONE_MINUS_SRC_ALPHA: - dstA = have32bpp ? GR_BLEND_ONE_MINUS_SRC_ALPHA : GR_BLEND_ZERO/*JJJ*/; - break; - case GL_DST_COLOR: - case GL_DST_ALPHA: - dstA = have32bpp ? GR_BLEND_DST_ALPHA : GR_BLEND_ONE/*JJJ*/; - break; - case GL_ONE_MINUS_DST_COLOR: - case GL_ONE_MINUS_DST_ALPHA: - dstA = have32bpp ? GR_BLEND_ONE_MINUS_DST_ALPHA : GR_BLEND_ZERO/*JJJ*/; - break; - default: - dstA = GR_BLEND_ZERO; - } - - switch ( ctx->Color.Blend[0].EquationRGB ) { - case GL_FUNC_SUBTRACT: - eqRGB = GR_BLEND_OP_SUB; - break; - case GL_FUNC_REVERSE_SUBTRACT: - eqRGB = GR_BLEND_OP_REVSUB; - break; - case GL_FUNC_ADD: - default: - eqRGB = GR_BLEND_OP_ADD; - break; - } - - switch ( ctx->Color.Blend[0].EquationA ) { - case GL_FUNC_SUBTRACT: - eqA = GR_BLEND_OP_SUB; - break; - case GL_FUNC_REVERSE_SUBTRACT: - eqA = GR_BLEND_OP_REVSUB; - break; - case GL_FUNC_ADD: - default: - eqA = GR_BLEND_OP_ADD; - break; - } - } else { - /* blend disabled */ - srcRGB = GR_BLEND_ONE; - dstRGB = GR_BLEND_ZERO; - eqRGB = GR_BLEND_OP_ADD; - srcA = GR_BLEND_ONE; - dstA = GR_BLEND_ZERO; - eqA = GR_BLEND_OP_ADD; - } - - if ( fxMesa->Color.AlphaFunc != func ) { - fxMesa->Color.AlphaFunc = func; - fxMesa->dirty |= TDFX_UPLOAD_ALPHA_TEST; - } - if ( fxMesa->Color.AlphaRef != ref ) { - fxMesa->Color.AlphaRef = ref; - fxMesa->dirty |= TDFX_UPLOAD_ALPHA_REF; - } - - if ( fxMesa->Color.BlendSrcRGB != srcRGB || - fxMesa->Color.BlendDstRGB != dstRGB || - fxMesa->Color.BlendEqRGB != eqRGB || - fxMesa->Color.BlendSrcA != srcA || - fxMesa->Color.BlendDstA != dstA || - fxMesa->Color.BlendEqA != eqA ) - { - fxMesa->Color.BlendSrcRGB = srcRGB; - fxMesa->Color.BlendDstRGB = dstRGB; - fxMesa->Color.BlendEqRGB = eqRGB; - fxMesa->Color.BlendSrcA = srcA; - fxMesa->Color.BlendDstA = dstA; - fxMesa->Color.BlendEqA = eqA; - fxMesa->dirty |= TDFX_UPLOAD_BLEND_FUNC; - } -} - -static void tdfxDDAlphaFunc( struct gl_context *ctx, GLenum func, GLfloat ref ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); - - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_ALPHA; -} - -static void tdfxDDBlendEquationSeparate( struct gl_context *ctx, - GLenum modeRGB, GLenum modeA ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); - - assert( modeRGB == modeA ); - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_ALPHA; -} - -static void tdfxDDBlendFuncSeparate( struct gl_context *ctx, - GLenum sfactorRGB, GLenum dfactorRGB, - GLenum sfactorA, GLenum dfactorA ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); - - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_ALPHA; - - /* - * XXX - Voodoo5 seems to suffer from precision problems in some - * blend modes. To pass all the conformance tests we'd have to - * fall back to software for many modes. Revisit someday. - */ -} - -/* ============================================================= - * Stipple - */ - -void tdfxUpdateStipple( struct gl_context *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); - GrStippleMode_t mode = GR_STIPPLE_DISABLE; - - if ( TDFX_DEBUG & DEBUG_VERBOSE_API ) { - fprintf( stderr, "%s()\n", __FUNCTION__ ); - } - - FLUSH_BATCH( fxMesa ); - - if (ctx->Polygon.StippleFlag) { - mode = GR_STIPPLE_PATTERN; - } - - if ( fxMesa->Stipple.Mode != mode ) { - fxMesa->Stipple.Mode = mode; - fxMesa->dirty |= TDFX_UPLOAD_STIPPLE; - } -} - - -/* ============================================================= - * Depth testing - */ - -static void tdfxUpdateZMode( struct gl_context *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); - GrCmpFnc_t func; - FxI32 bias; - FxBool mask; - - if ( TDFX_DEBUG & DEBUG_VERBOSE_API ) - fprintf( stderr, "%s()\n", __FUNCTION__ ); - - - bias = (FxI32) (ctx->Polygon.OffsetUnits * TDFX_DEPTH_BIAS_SCALE); - - if ( ctx->Depth.Test ) { - func = ctx->Depth.Func - GL_NEVER + GR_CMP_NEVER; - mask = ctx->Depth.Mask; - } - else { - /* depth testing disabled */ - func = GR_CMP_ALWAYS; /* fragments always pass */ - mask = FXFALSE; /* zbuffer is not touched */ - } - - fxMesa->Depth.Clear = (FxU32) (ctx->DrawBuffer->_DepthMaxF * ctx->Depth.Clear); - - if ( fxMesa->Depth.Bias != bias ) { - fxMesa->Depth.Bias = bias; - fxMesa->dirty |= TDFX_UPLOAD_DEPTH_BIAS; - } - if ( fxMesa->Depth.Func != func ) { - fxMesa->Depth.Func = func; - fxMesa->dirty |= TDFX_UPLOAD_DEPTH_FUNC | TDFX_UPLOAD_DEPTH_MASK; - } - if ( fxMesa->Depth.Mask != mask ) { - fxMesa->Depth.Mask = mask; - fxMesa->dirty |= TDFX_UPLOAD_DEPTH_MASK; - } -} - -static void tdfxDDDepthFunc( struct gl_context *ctx, GLenum func ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); - - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_DEPTH; -} - -static void tdfxDDDepthMask( struct gl_context *ctx, GLboolean flag ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); - - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_DEPTH; -} - -static void tdfxDDClearDepth( struct gl_context *ctx, GLclampd d ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); - - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_DEPTH; -} - - - -/* ============================================================= - * Stencil - */ - - -/* Evaluate all stencil state and make the Glide calls. - */ -static GrStencil_t convertGLStencilOp( GLenum op ) -{ - switch ( op ) { - case GL_KEEP: - return GR_STENCILOP_KEEP; - case GL_ZERO: - return GR_STENCILOP_ZERO; - case GL_REPLACE: - return GR_STENCILOP_REPLACE; - case GL_INCR: - return GR_STENCILOP_INCR_CLAMP; - case GL_DECR: - return GR_STENCILOP_DECR_CLAMP; - case GL_INVERT: - return GR_STENCILOP_INVERT; - case GL_INCR_WRAP_EXT: - return GR_STENCILOP_INCR_WRAP; - case GL_DECR_WRAP_EXT: - return GR_STENCILOP_DECR_WRAP; - default: - _mesa_problem( NULL, "bad stencil op in convertGLStencilOp" ); - } - return GR_STENCILOP_KEEP; /* never get, silence compiler warning */ -} - - -static void tdfxUpdateStencil( struct gl_context *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - if ( TDFX_DEBUG & DEBUG_VERBOSE_API ) { - fprintf( stderr, "%s()\n", __FUNCTION__ ); - } - - if (fxMesa->haveHwStencil) { - if (ctx->Stencil._Enabled) { - fxMesa->Stencil.Function = ctx->Stencil.Function[0] - GL_NEVER + GR_CMP_NEVER; - fxMesa->Stencil.RefValue = ctx->Stencil.Ref[0] & 0xff; - fxMesa->Stencil.ValueMask = ctx->Stencil.ValueMask[0] & 0xff; - fxMesa->Stencil.WriteMask = ctx->Stencil.WriteMask[0] & 0xff; - fxMesa->Stencil.FailFunc = convertGLStencilOp(ctx->Stencil.FailFunc[0]); - fxMesa->Stencil.ZFailFunc = convertGLStencilOp(ctx->Stencil.ZFailFunc[0]); - fxMesa->Stencil.ZPassFunc = convertGLStencilOp(ctx->Stencil.ZPassFunc[0]); - fxMesa->Stencil.Clear = ctx->Stencil.Clear & 0xff; - } - fxMesa->dirty |= TDFX_UPLOAD_STENCIL; - } -} - - -static void -tdfxDDStencilFuncSeparate( struct gl_context *ctx, GLenum face, GLenum func, - GLint ref, GLuint mask ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_STENCIL; -} - -static void -tdfxDDStencilMaskSeparate( struct gl_context *ctx, GLenum face, GLuint mask ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_STENCIL; -} - -static void -tdfxDDStencilOpSeparate( struct gl_context *ctx, GLenum face, GLenum sfail, - GLenum zfail, GLenum zpass ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_STENCIL; -} - - -/* ============================================================= - * Fog - orthographic fog still not working - */ - -static void tdfxUpdateFogAttrib( struct gl_context *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - GrFogMode_t mode; - GrColor_t color; - - if ( TDFX_DEBUG & DEBUG_VERBOSE_API ) { - fprintf( stderr, "%s()\n", __FUNCTION__ ); - } - - if ( ctx->Fog.Enabled ) { - if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT) { - mode = GR_FOG_WITH_TABLE_ON_FOGCOORD_EXT; - } else { - mode = GR_FOG_WITH_TABLE_ON_Q; - } - } else { - mode = GR_FOG_DISABLE; - } - - color = TDFXPACKCOLOR888((GLubyte)(ctx->Fog.Color[0]*255.0F), - (GLubyte)(ctx->Fog.Color[1]*255.0F), - (GLubyte)(ctx->Fog.Color[2]*255.0F)); - - if ( fxMesa->Fog.Mode != mode ) { - fxMesa->Fog.Mode = mode; - fxMesa->dirty |= TDFX_UPLOAD_FOG_MODE; - fxMesa->dirty |= TDFX_UPLOAD_VERTEX_LAYOUT;/*JJJ*/ - } - if ( fxMesa->Fog.Color != color ) { - fxMesa->Fog.Color = color; - fxMesa->dirty |= TDFX_UPLOAD_FOG_COLOR; - } - if ( fxMesa->Fog.TableMode != ctx->Fog.Mode || - fxMesa->Fog.Density != ctx->Fog.Density || - fxMesa->Fog.Near != ctx->Fog.Start || - fxMesa->Fog.Far != ctx->Fog.End ) - { - switch( ctx->Fog.Mode ) { - case GL_EXP: - fxMesa->Glide.guFogGenerateExp( fxMesa->Fog.Table, ctx->Fog.Density ); - break; - case GL_EXP2: - fxMesa->Glide.guFogGenerateExp2( fxMesa->Fog.Table, ctx->Fog.Density); - break; - case GL_LINEAR: - fxMesa->Glide.guFogGenerateLinear( fxMesa->Fog.Table, - ctx->Fog.Start, ctx->Fog.End ); - break; - } - - fxMesa->Fog.TableMode = ctx->Fog.Mode; - fxMesa->Fog.Density = ctx->Fog.Density; - fxMesa->Fog.Near = ctx->Fog.Start; - fxMesa->Fog.Far = ctx->Fog.End; - fxMesa->dirty |= TDFX_UPLOAD_FOG_TABLE; - } -} - -static void tdfxDDFogfv( struct gl_context *ctx, GLenum pname, const GLfloat *param ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_FOG; - - switch (pname) { - case GL_FOG_COORDINATE_SOURCE_EXT: { - GLenum p = (GLenum)*param; - if (p == GL_FOG_COORDINATE_EXT) { - _swrast_allow_vertex_fog(ctx, GL_TRUE); - _swrast_allow_pixel_fog(ctx, GL_FALSE); - _tnl_allow_vertex_fog( ctx, GL_TRUE); - _tnl_allow_pixel_fog( ctx, GL_FALSE); - } else { - _swrast_allow_vertex_fog(ctx, GL_FALSE); - _swrast_allow_pixel_fog(ctx, GL_TRUE); - _tnl_allow_vertex_fog( ctx, GL_FALSE); - _tnl_allow_pixel_fog( ctx, GL_TRUE); - } - break; - } - default: - ; - } -} - - -/* ============================================================= - * Clipping - */ - -static int intersect_rect( drm_clip_rect_t *out, - const drm_clip_rect_t *a, - const drm_clip_rect_t *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 0; - if (out->y1 >= out->y2) return 0; - return 1; -} - - -/* - * Examine XF86 cliprect list and scissor state to recompute our - * cliprect list. - */ -void tdfxUpdateClipping( struct gl_context *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - __DRIdrawable *dPriv = fxMesa->driDrawable; - - if ( TDFX_DEBUG & DEBUG_VERBOSE_API ) { - fprintf( stderr, "%s()\n", __FUNCTION__ ); - } - - assert(ctx); - assert(fxMesa); - assert(dPriv); - - if ( dPriv->x != fxMesa->x_offset || dPriv->y != fxMesa->y_offset || - dPriv->w != fxMesa->width || dPriv->h != fxMesa->height ) { - fxMesa->x_offset = dPriv->x; - fxMesa->y_offset = dPriv->y; - fxMesa->width = dPriv->w; - fxMesa->height = dPriv->h; - fxMesa->y_delta = - fxMesa->screen_height - fxMesa->y_offset - fxMesa->height; - tdfxUpdateViewport( ctx ); - } - - if (fxMesa->scissoredClipRects && fxMesa->pClipRects) { - free(fxMesa->pClipRects); - } - - if (ctx->Scissor.Enabled) { - /* intersect OpenGL scissor box with all cliprects to make a new - * list of cliprects. - */ - drm_clip_rect_t scissor; - int x1 = ctx->Scissor.X + fxMesa->x_offset; - int y1 = fxMesa->screen_height - fxMesa->y_delta - - ctx->Scissor.Y - ctx->Scissor.Height; - int x2 = x1 + ctx->Scissor.Width; - int y2 = y1 + ctx->Scissor.Height; - scissor.x1 = MAX2(x1, 0); - scissor.y1 = MAX2(y1, 0); - scissor.x2 = MAX2(x2, 0); - scissor.y2 = MAX2(y2, 0); - - assert(scissor.x2 >= scissor.x1); - assert(scissor.y2 >= scissor.y1); - - fxMesa->pClipRects = malloc(dPriv->numClipRects - * sizeof(drm_clip_rect_t)); - if (fxMesa->pClipRects) { - int i; - fxMesa->numClipRects = 0; - for (i = 0; i < dPriv->numClipRects; i++) { - if (intersect_rect(&fxMesa->pClipRects[fxMesa->numClipRects], - &scissor, &dPriv->pClipRects[i])) { - fxMesa->numClipRects++; - } - } - fxMesa->scissoredClipRects = GL_TRUE; - } - else { - /* out of memory, forgo scissor */ - fxMesa->numClipRects = dPriv->numClipRects; - fxMesa->pClipRects = dPriv->pClipRects; - fxMesa->scissoredClipRects = GL_FALSE; - } - } - else { - fxMesa->numClipRects = dPriv->numClipRects; - fxMesa->pClipRects = dPriv->pClipRects; - fxMesa->scissoredClipRects = GL_FALSE; - } - - fxMesa->dirty |= TDFX_UPLOAD_CLIP; -} - - - -/* ============================================================= - * Culling - */ - -void tdfxUpdateCull( struct gl_context *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - GrCullMode_t mode = GR_CULL_DISABLE; - - /* KW: don't need to check raster_primitive here as we don't - * attempt to draw lines or points with triangles. - */ - if ( ctx->Polygon.CullFlag ) { - switch ( ctx->Polygon.CullFaceMode ) { - case GL_FRONT: - if ( ctx->Polygon.FrontFace == GL_CCW ) { - mode = GR_CULL_POSITIVE; - } else { - mode = GR_CULL_NEGATIVE; - } - break; - - case GL_BACK: - if ( ctx->Polygon.FrontFace == GL_CCW ) { - mode = GR_CULL_NEGATIVE; - } else { - mode = GR_CULL_POSITIVE; - } - break; - - case GL_FRONT_AND_BACK: - /* Handled as a fallback on triangles in tdfx_tris.c */ - return; - - default: - ASSERT(0); - break; - } - } - - if ( fxMesa->CullMode != mode ) { - fxMesa->CullMode = mode; - fxMesa->dirty |= TDFX_UPLOAD_CULL; - } -} - -static void tdfxDDCullFace( struct gl_context *ctx, GLenum mode ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); - - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_CULL; -} - -static void tdfxDDFrontFace( struct gl_context *ctx, GLenum mode ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); - - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_CULL; -} - - -/* ============================================================= - * Line drawing. - */ - -static void tdfxUpdateLine( struct gl_context *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); - - if ( TDFX_DEBUG & DEBUG_VERBOSE_API ) { - fprintf( stderr, "%s()\n", __FUNCTION__ ); - } - - FLUSH_BATCH( fxMesa ); - fxMesa->dirty |= TDFX_UPLOAD_LINE; -} - - -static void tdfxDDLineWidth( struct gl_context *ctx, GLfloat width ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_LINE; -} - - -/* ============================================================= - * Color Attributes - */ - -static void tdfxDDColorMask( struct gl_context *ctx, - GLboolean r, GLboolean g, - GLboolean b, GLboolean a ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - FLUSH_BATCH( fxMesa ); - - if ( fxMesa->Color.ColorMask[RCOMP] != r || - fxMesa->Color.ColorMask[GCOMP] != g || - fxMesa->Color.ColorMask[BCOMP] != b || - fxMesa->Color.ColorMask[ACOMP] != a ) { - fxMesa->Color.ColorMask[RCOMP] = r; - fxMesa->Color.ColorMask[GCOMP] = g; - fxMesa->Color.ColorMask[BCOMP] = b; - fxMesa->Color.ColorMask[ACOMP] = a; - fxMesa->dirty |= TDFX_UPLOAD_COLOR_MASK; - - if (ctx->Visual.redBits < 8) { - /* Can't do RGB colormasking in 16bpp mode. */ - /* We can completely ignore the alpha mask. */ - FALLBACK( fxMesa, TDFX_FALLBACK_COLORMASK, (r != g || g != b) ); - } - } -} - - -static void tdfxDDClearColor( struct gl_context *ctx, - const GLfloat color[4] ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - GLubyte c[4]; - FLUSH_BATCH( fxMesa ); - CLAMPED_FLOAT_TO_UBYTE(c[0], color[0]); - CLAMPED_FLOAT_TO_UBYTE(c[1], color[1]); - CLAMPED_FLOAT_TO_UBYTE(c[2], color[2]); - CLAMPED_FLOAT_TO_UBYTE(c[3], color[3]); - fxMesa->Color.ClearColor = TDFXPACKCOLOR888( c[0], c[1], c[2] ); - fxMesa->Color.ClearAlpha = c[3]; -} - - -/* ============================================================= - * Light Model - */ - -static void tdfxDDLightModelfv( struct gl_context *ctx, GLenum pname, - const GLfloat *param ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - if ( pname == GL_LIGHT_MODEL_COLOR_CONTROL ) { - FALLBACK( fxMesa, TDFX_FALLBACK_SPECULAR, - (ctx->Light.Enabled && - ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR )); - } -} - -static void tdfxDDShadeModel( struct gl_context *ctx, GLenum mode ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - /* FIXME: Can we implement native flat shading? */ - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_TEXTURE; -} - - -/* ============================================================= - * Scissor - */ - -static void -tdfxDDScissor(struct gl_context * ctx, GLint x, GLint y, GLsizei w, GLsizei h) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_CLIP; -} - -/* ============================================================= - * Render - */ - -static void tdfxUpdateRenderAttrib( struct gl_context *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - FLUSH_BATCH( fxMesa ); - fxMesa->dirty |= TDFX_UPLOAD_RENDER_BUFFER; -} - -/* ============================================================= - * Viewport - */ - -void tdfxUpdateViewport( struct gl_context *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - const GLfloat *v = ctx->Viewport._WindowMap.m; - GLfloat *m = fxMesa->hw_viewport; - - m[MAT_SX] = v[MAT_SX]; - m[MAT_TX] = v[MAT_TX] + fxMesa->x_offset + TRI_X_OFFSET; - m[MAT_SY] = v[MAT_SY]; - m[MAT_TY] = v[MAT_TY] + fxMesa->y_delta + TRI_Y_OFFSET; - m[MAT_SZ] = v[MAT_SZ]; - m[MAT_TZ] = v[MAT_TZ]; - - fxMesa->SetupNewInputs |= VERT_BIT_POS; -} - - -static void tdfxDDViewport( struct gl_context *ctx, GLint x, GLint y, - GLsizei w, GLsizei h ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_VIEWPORT; -} - - -static void tdfxDDDepthRange( struct gl_context *ctx, GLclampd nearVal, GLclampd farVal ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_VIEWPORT; -} - - -/* ============================================================= - * State enable/disable - */ - -static void tdfxDDEnable( struct gl_context *ctx, GLenum cap, GLboolean state ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT( ctx ); - - switch ( cap ) { - case GL_ALPHA_TEST: - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_ALPHA; - break; - - case GL_BLEND: - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_ALPHA; - FALLBACK( fxMesa, TDFX_FALLBACK_LOGICOP, - (ctx->Color.ColorLogicOpEnabled && - ctx->Color.LogicOp != GL_COPY)/*JJJ - more blending*/); - break; - - case GL_CULL_FACE: - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_CULL; - break; - - case GL_DEPTH_TEST: - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_DEPTH; - break; - - case GL_DITHER: - FLUSH_BATCH( fxMesa ); - if ( state ) { - fxMesa->Color.Dither = GR_DITHER_2x2; - } else { - fxMesa->Color.Dither = GR_DITHER_DISABLE; - } - fxMesa->dirty |= TDFX_UPLOAD_DITHER; - break; - - case GL_FOG: - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_FOG; - break; - - case GL_COLOR_LOGIC_OP: - FALLBACK( fxMesa, TDFX_FALLBACK_LOGICOP, - (ctx->Color.ColorLogicOpEnabled && - ctx->Color.LogicOp != GL_COPY)); - break; - - case GL_LIGHTING: - FALLBACK( fxMesa, TDFX_FALLBACK_SPECULAR, - (ctx->Light.Enabled && - ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR )); - break; - - case GL_LINE_SMOOTH: - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_LINE; - break; - - case GL_LINE_STIPPLE: - FALLBACK(fxMesa, TDFX_FALLBACK_LINE_STIPPLE, state); - break; - - case GL_POLYGON_STIPPLE: - FLUSH_BATCH(fxMesa); - fxMesa->new_state |= TDFX_NEW_STIPPLE; - break; - - case GL_SCISSOR_TEST: - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_CLIP; - break; - - case GL_STENCIL_TEST: - FLUSH_BATCH( fxMesa ); - FALLBACK( fxMesa, TDFX_FALLBACK_STENCIL, state && !fxMesa->haveHwStencil); - fxMesa->new_state |= TDFX_NEW_STENCIL; - break; - - case GL_TEXTURE_3D: - FLUSH_BATCH( fxMesa ); - FALLBACK( fxMesa, TDFX_FALLBACK_TEXTURE_MAP, state); /* wrong */ - fxMesa->new_state |= TDFX_NEW_TEXTURE; - break; - - case GL_TEXTURE_1D: - case GL_TEXTURE_2D: - FLUSH_BATCH( fxMesa ); - fxMesa->new_state |= TDFX_NEW_TEXTURE; - break; - - default: - return; - } -} - - - -/* Set the buffer used for drawing */ -/* XXX support for separate read/draw buffers hasn't been tested */ -static void tdfxDDDrawBuffer( struct gl_context *ctx, GLenum mode ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - if ( TDFX_DEBUG & DEBUG_VERBOSE_API ) { - fprintf( stderr, "%s()\n", __FUNCTION__ ); - } - - FLUSH_BATCH( fxMesa ); - - if (ctx->DrawBuffer->_NumColorDrawBuffers > 1) { - FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_TRUE ); - return; - } - - switch ( ctx->DrawBuffer->_ColorDrawBufferIndexes[0] ) { - case BUFFER_FRONT_LEFT: - fxMesa->DrawBuffer = fxMesa->ReadBuffer = GR_BUFFER_FRONTBUFFER; - fxMesa->new_state |= TDFX_NEW_RENDER; - FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_FALSE ); - break; - case BUFFER_BACK_LEFT: - fxMesa->DrawBuffer = fxMesa->ReadBuffer = GR_BUFFER_BACKBUFFER; - fxMesa->new_state |= TDFX_NEW_RENDER; - FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_FALSE ); - break; - case -1: - FX_grColorMaskv( ctx, false4 ); - FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_FALSE ); - break; - default: - FALLBACK( fxMesa, TDFX_FALLBACK_DRAW_BUFFER, GL_TRUE ); - break; - } -} - - -static void tdfxDDReadBuffer( struct gl_context *ctx, GLenum mode ) -{ - /* XXX ??? */ -} - - -/* ============================================================= - * Polygon stipple - */ - -static void tdfxDDPolygonStipple( struct gl_context *ctx, const GLubyte *mask ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - const GLubyte *m = mask; - GLubyte q[4]; - int i,j,k; - GLboolean allBitsSet; - -/* int active = (ctx->Polygon.StippleFlag && */ -/* fxMesa->reduced_prim == GL_TRIANGLES); */ - - FLUSH_BATCH(fxMesa); - fxMesa->Stipple.Pattern = 0xffffffff; - fxMesa->dirty |= TDFX_UPLOAD_STIPPLE; - fxMesa->new_state |= TDFX_NEW_STIPPLE; - - /* Check if the stipple pattern is fully opaque. If so, use software - * rendering. This basically a trick to make sure the OpenGL conformance - * test passes. - */ - allBitsSet = GL_TRUE; - for (i = 0; i < 32; i++) { - if (((GLuint *) mask)[i] != 0xffffffff) { - allBitsSet = GL_FALSE; - break; - } - } - if (allBitsSet) { - fxMesa->haveHwStipple = GL_FALSE; - return; - } - - q[0] = mask[0]; - q[1] = mask[4]; - q[2] = mask[8]; - q[3] = mask[12]; - - for (k = 0 ; k < 8 ; k++) - for (j = 0 ; j < 4; j++) - for (i = 0 ; i < 4 ; i++,m++) { - if (*m != q[j]) { - fxMesa->haveHwStipple = GL_FALSE; - return; - } - } - - fxMesa->haveHwStipple = GL_TRUE; - fxMesa->Stipple.Pattern = ( (q[0] << 0) | - (q[1] << 8) | - (q[2] << 16) | - (q[3] << 24) ); -} - - - -static void tdfxDDRenderMode( struct gl_context *ctx, GLenum mode ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - FALLBACK( fxMesa, TDFX_FALLBACK_RENDER_MODE, (mode != GL_RENDER) ); -} - - - -static void tdfxDDPrintState( const char *msg, GLuint flags ) -{ - fprintf( stderr, - "%s: (0x%x) %s%s%s%s%s%s%s%s%s%s%s%s%s\n", - msg, - flags, - (flags & TDFX_NEW_COLOR) ? "color, " : "", - (flags & TDFX_NEW_ALPHA) ? "alpha, " : "", - (flags & TDFX_NEW_DEPTH) ? "depth, " : "", - (flags & TDFX_NEW_RENDER) ? "render, " : "", - (flags & TDFX_NEW_FOG) ? "fog, " : "", - (flags & TDFX_NEW_STENCIL) ? "stencil, " : "", - (flags & TDFX_NEW_STIPPLE) ? "stipple, " : "", - (flags & TDFX_NEW_CLIP) ? "clip, " : "", - (flags & TDFX_NEW_VIEWPORT) ? "viewport, " : "", - (flags & TDFX_NEW_CULL) ? "cull, " : "", - (flags & TDFX_NEW_GLIDE) ? "glide, " : "", - (flags & TDFX_NEW_TEXTURE) ? "texture, " : "", - (flags & TDFX_NEW_CONTEXT) ? "context, " : ""); -} - - - -void tdfxDDUpdateHwState( struct gl_context *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - int new_state = fxMesa->new_state; - - if ( TDFX_DEBUG & DEBUG_VERBOSE_API ) { - fprintf( stderr, "%s()\n", __FUNCTION__ ); - } - - if ( new_state ) - { - FLUSH_BATCH( fxMesa ); - - fxMesa->new_state = 0; - - if ( 0 ) - tdfxDDPrintState( "tdfxUpdateHwState", new_state ); - - /* Update the various parts of the context's state. - */ - if ( new_state & TDFX_NEW_ALPHA ) { - tdfxUpdateAlphaMode( ctx ); - } - - if ( new_state & TDFX_NEW_DEPTH ) - tdfxUpdateZMode( ctx ); - - if ( new_state & TDFX_NEW_FOG ) - tdfxUpdateFogAttrib( ctx ); - - if ( new_state & TDFX_NEW_CLIP ) - tdfxUpdateClipping( ctx ); - - if ( new_state & TDFX_NEW_STIPPLE ) - tdfxUpdateStipple( ctx ); - - if ( new_state & TDFX_NEW_CULL ) - tdfxUpdateCull( ctx ); - - if ( new_state & TDFX_NEW_LINE ) - tdfxUpdateLine( ctx ); - - if ( new_state & TDFX_NEW_VIEWPORT ) - tdfxUpdateViewport( ctx ); - - if ( new_state & TDFX_NEW_RENDER ) - tdfxUpdateRenderAttrib( ctx ); - - if ( new_state & TDFX_NEW_STENCIL ) - tdfxUpdateStencil( ctx ); - - if ( new_state & TDFX_NEW_TEXTURE ) { - tdfxUpdateTextureState( ctx ); - } - else if ( new_state & TDFX_NEW_TEXTURE_BIND ) { - tdfxUpdateTextureBinding( ctx ); - } - } - - if ( 0 ) { - FxI32 bias = (FxI32) (ctx->Polygon.OffsetUnits * TDFX_DEPTH_BIAS_SCALE); - - if ( fxMesa->Depth.Bias != bias ) { - fxMesa->Depth.Bias = bias; - fxMesa->dirty |= TDFX_UPLOAD_DEPTH_BIAS; - } - } - - if ( fxMesa->dirty ) { - LOCK_HARDWARE( fxMesa ); - tdfxEmitHwStateLocked( fxMesa ); - UNLOCK_HARDWARE( fxMesa ); - } -} - - -static void tdfxDDInvalidateState( struct gl_context *ctx, GLuint new_state ) -{ - _swrast_InvalidateState( ctx, new_state ); - _swsetup_InvalidateState( ctx, new_state ); - _vbo_InvalidateState( ctx, new_state ); - _tnl_InvalidateState( ctx, new_state ); - TDFX_CONTEXT(ctx)->new_gl_state |= new_state; -} - - - -/* Initialize the context's Glide state mirror. These values will be - * used as Glide function call parameters when the time comes. - */ -void tdfxInitState( tdfxContextPtr fxMesa ) -{ - struct gl_context *ctx = fxMesa->glCtx; - GLint i; - - fxMesa->ColorCombine.Function = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->ColorCombine.Factor = GR_COMBINE_FACTOR_NONE; - fxMesa->ColorCombine.Local = GR_COMBINE_LOCAL_ITERATED; - fxMesa->ColorCombine.Other = GR_COMBINE_OTHER_NONE; - fxMesa->ColorCombine.Invert = FXFALSE; - fxMesa->AlphaCombine.Function = GR_COMBINE_FUNCTION_LOCAL; - fxMesa->AlphaCombine.Factor = GR_COMBINE_FACTOR_NONE; - fxMesa->AlphaCombine.Local = GR_COMBINE_LOCAL_ITERATED; - fxMesa->AlphaCombine.Other = GR_COMBINE_OTHER_NONE; - fxMesa->AlphaCombine.Invert = FXFALSE; - - fxMesa->ColorCombineExt.SourceA = GR_CMBX_ITRGB; - fxMesa->ColorCombineExt.ModeA = GR_FUNC_MODE_X; - fxMesa->ColorCombineExt.SourceB = GR_CMBX_ZERO; - fxMesa->ColorCombineExt.ModeB = GR_FUNC_MODE_ZERO; - fxMesa->ColorCombineExt.SourceC = GR_CMBX_ZERO; - fxMesa->ColorCombineExt.InvertC = FXTRUE; - fxMesa->ColorCombineExt.SourceD = GR_CMBX_ZERO; - fxMesa->ColorCombineExt.InvertD = FXFALSE; - fxMesa->ColorCombineExt.Shift = 0; - fxMesa->ColorCombineExt.Invert = FXFALSE; - fxMesa->AlphaCombineExt.SourceA = GR_CMBX_ITALPHA; - fxMesa->AlphaCombineExt.ModeA = GR_FUNC_MODE_X; - fxMesa->AlphaCombineExt.SourceB = GR_CMBX_ZERO; - fxMesa->AlphaCombineExt.ModeB = GR_FUNC_MODE_ZERO; - fxMesa->AlphaCombineExt.SourceC = GR_CMBX_ZERO; - fxMesa->AlphaCombineExt.InvertC = FXTRUE; - fxMesa->AlphaCombineExt.SourceD = GR_CMBX_ZERO; - fxMesa->AlphaCombineExt.InvertD = FXFALSE; - fxMesa->AlphaCombineExt.Shift = 0; - fxMesa->AlphaCombineExt.Invert = FXFALSE; - - fxMesa->sScale0 = fxMesa->tScale0 = 1.0; - fxMesa->sScale1 = fxMesa->tScale1 = 1.0; - - fxMesa->TexPalette.Type = 0; - fxMesa->TexPalette.Data = NULL; - - for ( i = 0 ; i < TDFX_NUM_TMU ; i++ ) { - fxMesa->TexSource[i].StartAddress = 0; - fxMesa->TexSource[i].EvenOdd = GR_MIPMAPLEVELMASK_EVEN; - fxMesa->TexSource[i].Info = NULL; - - fxMesa->TexCombine[i].FunctionRGB = 0; - fxMesa->TexCombine[i].FactorRGB = 0; - fxMesa->TexCombine[i].FunctionAlpha = 0; - fxMesa->TexCombine[i].FactorAlpha = 0; - fxMesa->TexCombine[i].InvertRGB = FXFALSE; - fxMesa->TexCombine[i].InvertAlpha = FXFALSE; - - fxMesa->TexCombineExt[i].Alpha.SourceA = 0; - /* XXX more state to init here */ - fxMesa->TexCombineExt[i].Color.SourceA = 0; - fxMesa->TexCombineExt[i].EnvColor = 0x0; - - fxMesa->TexParams[i].sClamp = GR_TEXTURECLAMP_WRAP; - fxMesa->TexParams[i].tClamp = GR_TEXTURECLAMP_WRAP; - fxMesa->TexParams[i].minFilt = GR_TEXTUREFILTER_POINT_SAMPLED; - fxMesa->TexParams[i].magFilt = GR_TEXTUREFILTER_BILINEAR; - fxMesa->TexParams[i].mmMode = GR_MIPMAP_DISABLE; - fxMesa->TexParams[i].LODblend = FXFALSE; - fxMesa->TexParams[i].LodBias = 0.0; - - fxMesa->TexState.EnvMode[i] = ~0; - fxMesa->TexState.TexFormat[i] = ~0; - fxMesa->TexState.Enabled[i] = 0; - } - - if ( ctx->Visual.doubleBufferMode) { - fxMesa->DrawBuffer = GR_BUFFER_BACKBUFFER; - fxMesa->ReadBuffer = GR_BUFFER_BACKBUFFER; - } else { - fxMesa->DrawBuffer = GR_BUFFER_FRONTBUFFER; - fxMesa->ReadBuffer = GR_BUFFER_FRONTBUFFER; - } - - fxMesa->Color.ClearColor = 0x00000000; - fxMesa->Color.ClearAlpha = 0x00; - fxMesa->Color.ColorMask[RCOMP] = FXTRUE; - fxMesa->Color.ColorMask[BCOMP] = FXTRUE; - fxMesa->Color.ColorMask[GCOMP] = FXTRUE; - fxMesa->Color.ColorMask[ACOMP] = FXTRUE; - fxMesa->Color.MonoColor = 0xffffffff; - - fxMesa->Color.AlphaFunc = GR_CMP_ALWAYS; - fxMesa->Color.AlphaRef = 0x00; - fxMesa->Color.BlendSrcRGB = GR_BLEND_ONE; - fxMesa->Color.BlendDstRGB = GR_BLEND_ZERO; - fxMesa->Color.BlendSrcA = GR_BLEND_ONE; - fxMesa->Color.BlendSrcA = GR_BLEND_ZERO; - - fxMesa->Color.Dither = GR_DITHER_2x2; - - if ( fxMesa->glCtx->Visual.depthBits > 0 ) { - fxMesa->Depth.Mode = GR_DEPTHBUFFER_ZBUFFER; - } else { - fxMesa->Depth.Mode = GR_DEPTHBUFFER_DISABLE; - } - fxMesa->Depth.Bias = 0; - fxMesa->Depth.Func = GR_CMP_LESS; - fxMesa->Depth.Clear = 0; /* computed later */ - fxMesa->Depth.Mask = FXTRUE; - - - fxMesa->Fog.Mode = GR_FOG_DISABLE; - fxMesa->Fog.Color = 0x00000000; - fxMesa->Fog.Table = NULL; - fxMesa->Fog.Density = 1.0; - fxMesa->Fog.Near = 1.0; - fxMesa->Fog.Far = 1.0; - - fxMesa->Stencil.Function = GR_CMP_ALWAYS; - fxMesa->Stencil.RefValue = 0; - fxMesa->Stencil.ValueMask = 0xff; - fxMesa->Stencil.WriteMask = 0xff; - fxMesa->Stencil.FailFunc = 0; - fxMesa->Stencil.ZFailFunc = 0; - fxMesa->Stencil.ZPassFunc = 0; - fxMesa->Stencil.Clear = 0; - - fxMesa->Stipple.Mode = GR_STIPPLE_DISABLE; - fxMesa->Stipple.Pattern = 0xffffffff; - - fxMesa->Scissor.minX = 0; - fxMesa->Scissor.minY = 0; - fxMesa->Scissor.maxX = 0; - fxMesa->Scissor.maxY = 0; - - fxMesa->Viewport.Mode = GR_WINDOW_COORDS; - fxMesa->Viewport.X = 0; - fxMesa->Viewport.Y = 0; - fxMesa->Viewport.Width = 0; - fxMesa->Viewport.Height = 0; - fxMesa->Viewport.Near = 0.0; - fxMesa->Viewport.Far = 0.0; - - fxMesa->CullMode = GR_CULL_DISABLE; - - fxMesa->Glide.ColorFormat = GR_COLORFORMAT_ABGR; - fxMesa->Glide.Origin = GR_ORIGIN_LOWER_LEFT; - fxMesa->Glide.Initialized = FXFALSE; -} - - - -void tdfxDDInitStateFuncs( struct gl_context *ctx ) -{ - tdfxContextPtr fxMesa = TDFX_CONTEXT(ctx); - - ctx->Driver.UpdateState = tdfxDDInvalidateState; - - ctx->Driver.ClearColor = tdfxDDClearColor; - ctx->Driver.DrawBuffer = tdfxDDDrawBuffer; - ctx->Driver.ReadBuffer = tdfxDDReadBuffer; - - ctx->Driver.AlphaFunc = tdfxDDAlphaFunc; - ctx->Driver.BlendEquationSeparate = tdfxDDBlendEquationSeparate; - ctx->Driver.BlendFuncSeparate = tdfxDDBlendFuncSeparate; - ctx->Driver.ClearDepth = tdfxDDClearDepth; - ctx->Driver.ColorMask = tdfxDDColorMask; - ctx->Driver.CullFace = tdfxDDCullFace; - ctx->Driver.FrontFace = tdfxDDFrontFace; - ctx->Driver.DepthFunc = tdfxDDDepthFunc; - ctx->Driver.DepthMask = tdfxDDDepthMask; - ctx->Driver.DepthRange = tdfxDDDepthRange; - ctx->Driver.Enable = tdfxDDEnable; - ctx->Driver.Fogfv = tdfxDDFogfv; - ctx->Driver.LightModelfv = tdfxDDLightModelfv; - ctx->Driver.LineWidth = tdfxDDLineWidth; - ctx->Driver.PolygonStipple = tdfxDDPolygonStipple; - ctx->Driver.RenderMode = tdfxDDRenderMode; - ctx->Driver.Scissor = tdfxDDScissor; - ctx->Driver.ShadeModel = tdfxDDShadeModel; - - if ( fxMesa->haveHwStencil ) { - ctx->Driver.StencilFuncSeparate = tdfxDDStencilFuncSeparate; - ctx->Driver.StencilMaskSeparate = tdfxDDStencilMaskSeparate; - ctx->Driver.StencilOpSeparate = tdfxDDStencilOpSeparate; - } - - ctx->Driver.Viewport = tdfxDDViewport; -} |