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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/r128/r128_texstate.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/dri/r128/r128_texstate.c648
1 files changed, 0 insertions, 648 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r128/r128_texstate.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r128/r128_texstate.c
deleted file mode 100644
index c22323b68..000000000
--- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r128/r128_texstate.c
+++ /dev/null
@@ -1,648 +0,0 @@
-/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_texstate.c,v 1.1 2002/02/22 21:44:58 dawes Exp $ */
-/**************************************************************************
-
-Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc.,
- Cedar Park, Texas.
-All Rights Reserved.
-
-Permission is hereby granted, free of charge, to any person obtaining a
-copy of this software and associated documentation files (the "Software"),
-to deal in the Software without restriction, including without limitation
-on the rights to use, copy, modify, merge, publish, distribute, sub
-license, and/or sell copies of the Software, and to permit persons to whom
-the Software is furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice (including the next
-paragraph) shall be included in all copies or substantial portions of the
-Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
-ATI, PRECISION INSIGHT AND/OR THEIR 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:
- * Gareth Hughes <gareth@valinux.com>
- * Kevin E. Martin <martin@valinux.com>
- * Brian Paul <brianp@valinux.com>
- */
-
-#include "glheader.h"
-#include "imports.h"
-#include "context.h"
-#include "macros.h"
-#include "texformat.h"
-
-#include "r128_context.h"
-#include "r128_state.h"
-#include "r128_ioctl.h"
-#include "r128_tris.h"
-#include "r128_tex.h"
-
-
-static void r128SetTexImages( r128ContextPtr rmesa,
- const struct gl_texture_object *tObj )
-{
- r128TexObjPtr t = (r128TexObjPtr) tObj->DriverData;
- struct gl_texture_image *baseImage = tObj->Image[0][tObj->BaseLevel];
- int log2Pitch, log2Height, log2Size, log2MinSize;
- int totalSize;
- int i;
- GLint firstLevel, lastLevel;
-
- assert(t);
- assert(baseImage);
-
- if ( R128_DEBUG & DEBUG_VERBOSE_API )
- fprintf( stderr, "%s( %p )\n", __FUNCTION__, (void *) tObj );
-
- switch (baseImage->TexFormat->MesaFormat) {
- case MESA_FORMAT_ARGB8888:
- case MESA_FORMAT_ARGB8888_REV:
- t->textureFormat = R128_DATATYPE_ARGB8888;
- break;
- case MESA_FORMAT_ARGB4444:
- case MESA_FORMAT_ARGB4444_REV:
- t->textureFormat = R128_DATATYPE_ARGB4444;
- break;
- case MESA_FORMAT_RGB565:
- case MESA_FORMAT_RGB565_REV:
- t->textureFormat = R128_DATATYPE_RGB565;
- break;
- case MESA_FORMAT_RGB332:
- t->textureFormat = R128_DATATYPE_RGB8;
- break;
- case MESA_FORMAT_CI8:
- t->textureFormat = R128_DATATYPE_CI8;
- break;
- case MESA_FORMAT_YCBCR:
- t->textureFormat = R128_DATATYPE_YVYU422;
- break;
- case MESA_FORMAT_YCBCR_REV:
- t->textureFormat = R128_DATATYPE_VYUY422;
- break;
- default:
- _mesa_problem(rmesa->glCtx, "Bad texture format in %s", __FUNCTION__);
- };
-
- /* Compute which mipmap levels we really want to send to the hardware.
- */
-
- driCalculateTextureFirstLastLevel( (driTextureObject *) t );
- firstLevel = t->base.firstLevel;
- lastLevel = t->base.lastLevel;
-
- log2Pitch = tObj->Image[0][firstLevel]->WidthLog2;
- log2Height = tObj->Image[0][firstLevel]->HeightLog2;
- log2Size = MAX2(log2Pitch, log2Height);
- log2MinSize = log2Size;
-
- t->base.dirty_images[0] = 0;
- totalSize = 0;
- for ( i = firstLevel; i <= lastLevel; i++ ) {
- const struct gl_texture_image *texImage;
-
- texImage = tObj->Image[0][i];
- if ( !texImage || !texImage->Data ) {
- lastLevel = i - 1;
- break;
- }
-
- log2MinSize = texImage->MaxLog2;
-
- t->image[i - firstLevel].offset = totalSize;
- t->image[i - firstLevel].width = tObj->Image[0][i]->Width;
- t->image[i - firstLevel].height = tObj->Image[0][i]->Height;
-
- t->base.dirty_images[0] |= (1 << i);
-
- totalSize += (tObj->Image[0][i]->Height *
- tObj->Image[0][i]->Width *
- tObj->Image[0][i]->TexFormat->TexelBytes);
-
- /* Offsets must be 32-byte aligned for host data blits and tiling */
- totalSize = (totalSize + 31) & ~31;
- }
-
- t->base.totalSize = totalSize;
- t->base.firstLevel = firstLevel;
- t->base.lastLevel = lastLevel;
-
- /* Set the texture format */
- t->setup.tex_cntl &= ~(0xf << 16);
- t->setup.tex_cntl |= t->textureFormat;
-
- t->setup.tex_combine_cntl = 0x00000000; /* XXX is this right? */
-
- t->setup.tex_size_pitch = ((log2Pitch << R128_TEX_PITCH_SHIFT) |
- (log2Size << R128_TEX_SIZE_SHIFT) |
- (log2Height << R128_TEX_HEIGHT_SHIFT) |
- (log2MinSize << R128_TEX_MIN_SIZE_SHIFT));
-
- for ( i = 0 ; i < R128_MAX_TEXTURE_LEVELS ; i++ ) {
- t->setup.tex_offset[i] = 0x00000000;
- }
-
- if (firstLevel == lastLevel)
- t->setup.tex_cntl |= R128_MIP_MAP_DISABLE;
- else
- t->setup.tex_cntl &= ~R128_MIP_MAP_DISABLE;
-
- /* FYI: r128UploadTexImages( rmesa, t ); used to be called here */
-}
-
-
-/* ================================================================
- * Texture combine functions
- */
-
-#define COLOR_COMB_DISABLE (R128_COMB_DIS | \
- R128_COLOR_FACTOR_TEX)
-#define COLOR_COMB_COPY_INPUT (R128_COMB_COPY_INP | \
- R128_COLOR_FACTOR_TEX)
-#define COLOR_COMB_MODULATE (R128_COMB_MODULATE | \
- R128_COLOR_FACTOR_TEX)
-#define COLOR_COMB_MODULATE_NTEX (R128_COMB_MODULATE | \
- R128_COLOR_FACTOR_NTEX)
-#define COLOR_COMB_ADD (R128_COMB_ADD | \
- R128_COLOR_FACTOR_TEX)
-#define COLOR_COMB_BLEND_TEX (R128_COMB_BLEND_TEXTURE | \
- R128_COLOR_FACTOR_TEX)
-/* Rage 128 Pro/M3 only! */
-#define COLOR_COMB_BLEND_COLOR (R128_COMB_MODULATE2X | \
- R128_COMB_FCN_MSB | \
- R128_COLOR_FACTOR_CONST_COLOR)
-
-#define ALPHA_COMB_DISABLE (R128_COMB_ALPHA_DIS | \
- R128_ALPHA_FACTOR_TEX_ALPHA)
-#define ALPHA_COMB_COPY_INPUT (R128_COMB_ALPHA_COPY_INP | \
- R128_ALPHA_FACTOR_TEX_ALPHA)
-#define ALPHA_COMB_MODULATE (R128_COMB_ALPHA_MODULATE | \
- R128_ALPHA_FACTOR_TEX_ALPHA)
-#define ALPHA_COMB_MODULATE_NTEX (R128_COMB_ALPHA_MODULATE | \
- R128_ALPHA_FACTOR_NTEX_ALPHA)
-#define ALPHA_COMB_ADD (R128_COMB_ALPHA_ADD | \
- R128_ALPHA_FACTOR_TEX_ALPHA)
-
-#define INPUT_INTERP (R128_INPUT_FACTOR_INT_COLOR | \
- R128_INP_FACTOR_A_INT_ALPHA)
-#define INPUT_PREVIOUS (R128_INPUT_FACTOR_PREV_COLOR | \
- R128_INP_FACTOR_A_PREV_ALPHA)
-
-static GLboolean r128UpdateTextureEnv( GLcontext *ctx, int unit )
-{
- r128ContextPtr rmesa = R128_CONTEXT(ctx);
- GLint source = rmesa->tmu_source[unit];
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[source];
- const struct gl_texture_object *tObj = texUnit->_Current;
- const GLenum format = tObj->Image[0][tObj->BaseLevel]->Format;
- GLuint combine;
-
- if ( R128_DEBUG & DEBUG_VERBOSE_API ) {
- fprintf( stderr, "%s( %p, %d )\n",
- __FUNCTION__, (void *) ctx, unit );
- }
-
- if ( unit == 0 ) {
- combine = INPUT_INTERP;
- } else {
- combine = INPUT_PREVIOUS;
- }
-
- /* Set the texture environment state */
- switch ( texUnit->EnvMode ) {
- case GL_REPLACE:
- switch ( format ) {
- case GL_RGBA:
- case GL_LUMINANCE_ALPHA:
- case GL_INTENSITY:
- combine |= (COLOR_COMB_DISABLE | /* C = Ct */
- ALPHA_COMB_DISABLE); /* A = At */
- break;
- case GL_RGB:
- case GL_LUMINANCE:
- combine |= (COLOR_COMB_DISABLE | /* C = Ct */
- ALPHA_COMB_COPY_INPUT); /* A = Af */
- break;
- case GL_ALPHA:
- combine |= (COLOR_COMB_COPY_INPUT | /* C = Cf */
- ALPHA_COMB_DISABLE); /* A = At */
- break;
- case GL_COLOR_INDEX:
- default:
- return GL_FALSE;
- }
- break;
-
- case GL_MODULATE:
- switch ( format ) {
- case GL_RGBA:
- case GL_LUMINANCE_ALPHA:
- case GL_INTENSITY:
- combine |= (COLOR_COMB_MODULATE | /* C = CfCt */
- ALPHA_COMB_MODULATE); /* A = AfAt */
- break;
- case GL_RGB:
- case GL_LUMINANCE:
- combine |= (COLOR_COMB_MODULATE | /* C = CfCt */
- ALPHA_COMB_COPY_INPUT); /* A = Af */
- break;
- case GL_ALPHA:
- combine |= (COLOR_COMB_COPY_INPUT | /* C = Cf */
- ALPHA_COMB_MODULATE); /* A = AfAt */
- break;
- case GL_COLOR_INDEX:
- default:
- return GL_FALSE;
- }
- break;
-
- case GL_DECAL:
- switch ( format ) {
- case GL_RGBA:
- combine |= (COLOR_COMB_BLEND_TEX | /* C = Cf(1-At)+CtAt */
- ALPHA_COMB_COPY_INPUT); /* A = Af */
- break;
- case GL_RGB:
- combine |= (COLOR_COMB_DISABLE | /* C = Ct */
- ALPHA_COMB_COPY_INPUT); /* A = Af */
- break;
- case GL_ALPHA:
- case GL_LUMINANCE:
- case GL_LUMINANCE_ALPHA:
- case GL_INTENSITY:
- /* Undefined behaviour - just copy the incoming fragment */
- combine |= (COLOR_COMB_COPY_INPUT | /* C = undefined */
- ALPHA_COMB_COPY_INPUT); /* A = undefined */
- break;
- case GL_COLOR_INDEX:
- default:
- return GL_FALSE;
- }
- break;
-
- case GL_BLEND:
- /* Rage 128 Pro and M3 can handle GL_BLEND texturing.
- */
- if ( !R128_IS_PLAIN( rmesa ) ) {
- /* XXX this hasn't been fully tested, I don't have a Pro card. -BP */
- switch ( format ) {
- case GL_RGBA:
- case GL_LUMINANCE_ALPHA:
- combine |= (COLOR_COMB_BLEND_COLOR | /* C = Cf(1-Ct)+CcCt */
- ALPHA_COMB_MODULATE); /* A = AfAt */
- break;
-
- case GL_RGB:
- case GL_LUMINANCE:
- combine |= (COLOR_COMB_BLEND_COLOR | /* C = Cf(1-Ct)+CcCt */
- ALPHA_COMB_COPY_INPUT); /* A = Af */
- break;
-
- case GL_ALPHA:
- combine |= (COLOR_COMB_COPY_INPUT | /* C = Cf */
- ALPHA_COMB_MODULATE); /* A = AfAt */
- break;
-
- case GL_INTENSITY:
- /* GH: We could be smarter about this... */
- switch ( rmesa->env_color & 0xff000000 ) {
- case 0x00000000:
- combine |= (COLOR_COMB_BLEND_COLOR | /* C = Cf(1-It)+CcIt */
- ALPHA_COMB_MODULATE_NTEX); /* A = Af(1-It) */
- default:
- combine |= (COLOR_COMB_MODULATE | /* C = fallback */
- ALPHA_COMB_MODULATE); /* A = fallback */
- return GL_FALSE;
- }
- break;
-
- case GL_COLOR_INDEX:
- default:
- return GL_FALSE;
- }
- break;
- }
-
- /* Rage 128 has to fake some cases of GL_BLEND, otherwise fallback
- * to software rendering.
- */
- if ( rmesa->blend_flags ) {
- return GL_FALSE;
- }
- switch ( format ) {
- case GL_RGBA:
- case GL_LUMINANCE_ALPHA:
- switch ( rmesa->env_color & 0x00ffffff ) {
- case 0x00000000:
- combine |= (COLOR_COMB_MODULATE_NTEX | /* C = Cf(1-Ct) */
- ALPHA_COMB_MODULATE); /* A = AfAt */
- break;
-#if 0
- /* This isn't right - BP */
- case 0x00ffffff:
- if ( unit == 0 ) {
- combine |= (COLOR_COMB_MODULATE_NTEX | /* C = Cf(1-Ct) */
- ALPHA_COMB_MODULATE); /* A = AfAt */
- } else {
- combine |= (COLOR_COMB_ADD | /* C = Cf+Ct */
- ALPHA_COMB_COPY_INPUT); /* A = Af */
- }
- break;
-#endif
- default:
- combine |= (COLOR_COMB_MODULATE | /* C = fallback */
- ALPHA_COMB_MODULATE); /* A = fallback */
- return GL_FALSE;
- }
- break;
- case GL_RGB:
- case GL_LUMINANCE:
- switch ( rmesa->env_color & 0x00ffffff ) {
- case 0x00000000:
- combine |= (COLOR_COMB_MODULATE_NTEX | /* C = Cf(1-Ct) */
- ALPHA_COMB_COPY_INPUT); /* A = Af */
- break;
-#if 0
- /* This isn't right - BP */
- case 0x00ffffff:
- if ( unit == 0 ) {
- combine |= (COLOR_COMB_MODULATE_NTEX | /* C = Cf(1-Ct) */
- ALPHA_COMB_COPY_INPUT); /* A = Af */
- } else {
- combine |= (COLOR_COMB_ADD | /* C = Cf+Ct */
- ALPHA_COMB_COPY_INPUT); /* A = Af */
- }
- break;
-#endif
- default:
- combine |= (COLOR_COMB_MODULATE | /* C = fallback */
- ALPHA_COMB_COPY_INPUT); /* A = fallback */
- return GL_FALSE;
- }
- break;
- case GL_ALPHA:
- if ( unit == 0 ) {
- combine |= (COLOR_COMB_COPY_INPUT | /* C = Cf */
- ALPHA_COMB_MODULATE); /* A = AfAt */
- } else {
- combine |= (COLOR_COMB_COPY_INPUT | /* C = Cf */
- ALPHA_COMB_COPY_INPUT); /* A = Af */
- }
- break;
- case GL_INTENSITY:
- switch ( rmesa->env_color & 0x00ffffff ) {
- case 0x00000000:
- combine |= COLOR_COMB_MODULATE_NTEX; /* C = Cf(1-It) */
- break;
-#if 0
- /* This isn't right - BP */
- case 0x00ffffff:
- if ( unit == 0 ) {
- combine |= COLOR_COMB_MODULATE_NTEX; /* C = Cf(1-It) */
- } else {
- combine |= COLOR_COMB_ADD; /* C = Cf+It */
- }
- break;
-#endif
- default:
- combine |= (COLOR_COMB_MODULATE | /* C = fallback */
- ALPHA_COMB_MODULATE); /* A = fallback */
- return GL_FALSE;
- }
- switch ( rmesa->env_color & 0xff000000 ) {
- case 0x00000000:
- combine |= ALPHA_COMB_MODULATE_NTEX; /* A = Af(1-It) */
- break;
-#if 0
- /* This isn't right - BP */
- case 0xff000000:
- if ( unit == 0 ) {
- combine |= ALPHA_COMB_MODULATE_NTEX; /* A = Af(1-It) */
- } else {
- combine |= ALPHA_COMB_ADD; /* A = Af+It */
- }
- break;
-#endif
- default:
- combine |= (COLOR_COMB_MODULATE | /* C = fallback */
- ALPHA_COMB_MODULATE); /* A = fallback */
- return GL_FALSE;
- }
- break;
- case GL_COLOR_INDEX:
- default:
- return GL_FALSE;
- }
- break;
-
- case GL_ADD:
- switch ( format ) {
- case GL_RGBA:
- case GL_LUMINANCE_ALPHA:
- combine |= (COLOR_COMB_ADD | /* C = Cf+Ct */
- ALPHA_COMB_MODULATE); /* A = AfAt */
- break;
- case GL_RGB:
- case GL_LUMINANCE:
- combine |= (COLOR_COMB_ADD | /* C = Cf+Ct */
- ALPHA_COMB_COPY_INPUT); /* A = Af */
- break;
- case GL_ALPHA:
- combine |= (COLOR_COMB_COPY_INPUT | /* C = Cf */
- ALPHA_COMB_MODULATE); /* A = AfAt */
- break;
- case GL_INTENSITY:
- combine |= (COLOR_COMB_ADD | /* C = Cf+Ct */
- ALPHA_COMB_ADD); /* A = Af+At */
- break;
- case GL_COLOR_INDEX:
- default:
- return GL_FALSE;
- }
- break;
-
- default:
- return GL_FALSE;
- }
-
- if ( rmesa->tex_combine[unit] != combine ) {
- rmesa->tex_combine[unit] = combine;
- rmesa->dirty |= R128_UPLOAD_TEX0 << unit;
- }
- return GL_TRUE;
-}
-
-static void disable_tex( GLcontext *ctx, int unit )
-{
- r128ContextPtr rmesa = R128_CONTEXT(ctx);
-
- FLUSH_BATCH( rmesa );
-
- if ( rmesa->CurrentTexObj[unit] ) {
- rmesa->CurrentTexObj[unit]->base.bound &= ~(1 << unit);
- rmesa->CurrentTexObj[unit] = NULL;
- }
-
- rmesa->setup.tex_cntl_c &= ~(R128_TEXMAP_ENABLE << unit);
- rmesa->setup.tex_size_pitch_c &= ~(R128_TEX_SIZE_PITCH_MASK <<
- (R128_SEC_TEX_SIZE_PITCH_SHIFT * unit));
- rmesa->dirty |= R128_UPLOAD_CONTEXT;
-
- /* If either texture unit is disabled, then multitexturing is not
- * happening.
- */
-
- rmesa->blend_flags &= ~R128_BLEND_MULTITEX;
-}
-
-static GLboolean enable_tex_2d( GLcontext *ctx, int unit )
-{
- r128ContextPtr rmesa = R128_CONTEXT(ctx);
- const int source = rmesa->tmu_source[unit];
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[source];
- const struct gl_texture_object *tObj = texUnit->_Current;
- r128TexObjPtr t = (r128TexObjPtr) tObj->DriverData;
-
- /* Need to load the 2d images associated with this unit.
- */
- if ( t->base.dirty_images[0] ) {
- /* FIXME: For Radeon, RADEON_FIREVERTICES is called here. Should
- * FIXME: something similar be done for R128?
- */
- /* FLUSH_BATCH( rmesa ); */
-
- r128SetTexImages( rmesa, tObj );
- r128UploadTexImages( rmesa, t );
- if ( !t->base.memBlock )
- return GL_FALSE;
- }
-
- return GL_TRUE;
-}
-
-static GLboolean update_tex_common( GLcontext *ctx, int unit )
-{
- r128ContextPtr rmesa = R128_CONTEXT(ctx);
- const int source = rmesa->tmu_source[unit];
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[source];
- const struct gl_texture_object *tObj = texUnit->_Current;
- r128TexObjPtr t = (r128TexObjPtr) tObj->DriverData;
-
-
- /* Fallback if there's a texture border */
- if ( tObj->Image[0][tObj->BaseLevel]->Border > 0 ) {
- return GL_FALSE;
- }
-
-
- /* Update state if this is a different texture object to last
- * time.
- */
- if ( rmesa->CurrentTexObj[unit] != t ) {
- if ( rmesa->CurrentTexObj[unit] != NULL ) {
- /* The old texture is no longer bound to this texture unit.
- * Mark it as such.
- */
-
- rmesa->CurrentTexObj[unit]->base.bound &=
- ~(1UL << unit);
- }
-
- rmesa->CurrentTexObj[unit] = t;
- t->base.bound |= (1UL << unit);
- rmesa->dirty |= R128_UPLOAD_TEX0 << unit;
-
- driUpdateTextureLRU( (driTextureObject *) t ); /* XXX: should be locked! */
- }
-
- /* FIXME: We need to update the texture unit if any texture parameters have
- * changed, but this texture was already bound. This could be changed to
- * work like the Radeon driver where the texture object has it's own
- * dirty state flags
- */
- rmesa->dirty |= R128_UPLOAD_TEX0 << unit;
-
- /* register setup */
- rmesa->setup.tex_size_pitch_c &= ~(R128_TEX_SIZE_PITCH_MASK <<
- (R128_SEC_TEX_SIZE_PITCH_SHIFT * unit));
-
- if ( unit == 0 ) {
- rmesa->setup.tex_cntl_c |= R128_TEXMAP_ENABLE;
- rmesa->setup.tex_size_pitch_c |= t->setup.tex_size_pitch << 0;
- rmesa->setup.scale_3d_cntl &= ~R128_TEX_CACHE_SPLIT;
- t->setup.tex_cntl &= ~R128_SEC_SELECT_SEC_ST;
- }
- else {
- rmesa->setup.tex_cntl_c |= R128_SEC_TEXMAP_ENABLE;
- rmesa->setup.tex_size_pitch_c |= t->setup.tex_size_pitch << 16;
- rmesa->setup.scale_3d_cntl |= R128_TEX_CACHE_SPLIT;
- t->setup.tex_cntl |= R128_SEC_SELECT_SEC_ST;
-
- /* If the second TMU is enabled, then multitexturing is happening.
- */
- if ( R128_IS_PLAIN( rmesa ) )
- rmesa->blend_flags |= R128_BLEND_MULTITEX;
- }
-
- rmesa->dirty |= R128_UPLOAD_CONTEXT;
-
-
- /* FIXME: The Radeon has some cached state so that it can avoid calling
- * FIXME: UpdateTextureEnv in some cases. Is that possible here?
- */
- return r128UpdateTextureEnv( ctx, unit );
-}
-
-static GLboolean updateTextureUnit( GLcontext *ctx, int unit )
-{
- r128ContextPtr rmesa = R128_CONTEXT(ctx);
- const int source = rmesa->tmu_source[unit];
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[source];
-
-
- if (texUnit->_ReallyEnabled & (TEXTURE_1D_BIT | TEXTURE_2D_BIT)) {
- return (enable_tex_2d( ctx, unit ) &&
- update_tex_common( ctx, unit ));
- }
- else if ( texUnit->_ReallyEnabled ) {
- return GL_FALSE;
- }
- else {
- disable_tex( ctx, unit );
- return GL_TRUE;
- }
-}
-
-
-void r128UpdateTextureState( GLcontext *ctx )
-{
- r128ContextPtr rmesa = R128_CONTEXT(ctx);
- GLboolean ok;
-
-
- /* This works around a quirk with the R128 hardware. If only OpenGL
- * TEXTURE1 is enabled, then the hardware TEXTURE0 must be used. The
- * hardware TEXTURE1 can ONLY be used when hardware TEXTURE0 is also used.
- */
-
- rmesa->tmu_source[0] = 0;
- rmesa->tmu_source[1] = 1;
-
- if ((ctx->Texture._EnabledUnits & 0x03) == 0x02) {
- /* only texture 1 enabled */
- rmesa->tmu_source[0] = 1;
- rmesa->tmu_source[1] = 0;
- }
-
- ok = (updateTextureUnit( ctx, 0 ) &&
- updateTextureUnit( ctx, 1 ));
-
- FALLBACK( rmesa, R128_FALLBACK_TEXTURE, !ok );
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-30 14:30:50 +0000