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path: root/src/mesa/drivers/dri/sis/sis_texstate.c
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Diffstat (limited to 'src/mesa/drivers/dri/sis/sis_texstate.c')
-rw-r--r--src/mesa/drivers/dri/sis/sis_texstate.c712
1 files changed, 0 insertions, 712 deletions
diff --git a/src/mesa/drivers/dri/sis/sis_texstate.c b/src/mesa/drivers/dri/sis/sis_texstate.c
deleted file mode 100644
index 6580f155bae..00000000000
--- a/src/mesa/drivers/dri/sis/sis_texstate.c
+++ /dev/null
@@ -1,712 +0,0 @@
-/**************************************************************************
-
-Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
-Copyright 2003 Eric Anholt
-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
-ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP 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:
- * Sung-Ching Lin <sclin@sis.com.tw>
- * Eric Anholt <anholt@FreeBSD.org>
- */
-
-#include "main/glheader.h"
-#include "main/imports.h"
-#include "main/colormac.h"
-#include "main/context.h"
-#include "main/macros.h"
-
-#include "sis_context.h"
-#include "sis_tex.h"
-#include "sis_tris.h"
-#include "sis_alloc.h"
-
-static GLint TransferTexturePitch (GLint dwPitch);
-
-/* Handle texenv stuff, called from validate_texture (renderstart) */
-static void
-sis_set_texture_env0( struct gl_context *ctx, struct gl_texture_object *texObj,
- int unit )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
- GLubyte c[4];
-
- __GLSiSHardware *prev = &smesa->prev;
- __GLSiSHardware *current = &smesa->current;
-
- struct gl_texture_unit *texture_unit = &ctx->Texture.Unit[unit];
-
- sisTexObjPtr t = texObj->DriverData;
-
- switch (texture_unit->EnvMode)
- {
- case GL_REPLACE:
- switch (t->format)
- {
- case GL_ALPHA:
- current->hwTexBlendColor0 = STAGE0_C_CF;
- current->hwTexBlendAlpha0 = STAGE0_A_AS;
- break;
- case GL_LUMINANCE:
- case GL_RGB:
- case GL_YCBCR_MESA:
- current->hwTexBlendColor0 = STAGE0_C_CS;
- current->hwTexBlendAlpha0 = STAGE0_A_AF;
- break;
- case GL_INTENSITY:
- case GL_LUMINANCE_ALPHA:
- case GL_RGBA:
- current->hwTexBlendColor0 = STAGE0_C_CS;
- current->hwTexBlendAlpha0 = STAGE0_A_AS;
- break;
- default:
- sis_fatal_error("unknown base format 0x%x\n", t->format);
- }
- break;
-
- case GL_MODULATE:
- switch (t->format)
- {
- case GL_ALPHA:
- current->hwTexBlendColor0 = STAGE0_C_CF;
- current->hwTexBlendAlpha0 = STAGE0_A_AFAS;
- break;
- case GL_LUMINANCE:
- case GL_RGB:
- case GL_YCBCR_MESA:
- current->hwTexBlendColor0 = STAGE0_C_CFCS;
- current->hwTexBlendAlpha0 = STAGE0_A_AF;
- break;
- case GL_INTENSITY:
- case GL_LUMINANCE_ALPHA:
- case GL_RGBA:
- current->hwTexBlendColor0 = STAGE0_C_CFCS;
- current->hwTexBlendAlpha0 = STAGE0_A_AFAS;
- break;
- default:
- sis_fatal_error("unknown base format 0x%x\n", t->format);
- }
- break;
-
- case GL_DECAL:
- switch (t->format)
- {
- case GL_RGB:
- case GL_YCBCR_MESA:
- current->hwTexBlendColor0 = STAGE0_C_CS;
- current->hwTexBlendAlpha0 = STAGE0_A_AF;
- break;
- case GL_RGBA:
- current->hwTexBlendColor0 = STAGE0_C_CFOMAS_CSAS;
- current->hwTexBlendAlpha0 = STAGE0_A_AF;
- break;
- case GL_ALPHA:
- case GL_LUMINANCE:
- case GL_INTENSITY:
- case GL_LUMINANCE_ALPHA:
- current->hwTexBlendColor0 = STAGE0_C_CF;
- current->hwTexBlendAlpha0 = STAGE0_A_AF;
- break;
- default:
- sis_fatal_error("unknown base format 0x%x\n", t->format);
- }
- break;
-
- case GL_BLEND:
- UNCLAMPED_FLOAT_TO_RGBA_CHAN(c, texture_unit->EnvColor);
- current->hwTexEnvColor = ((GLint) (c[3])) << 24 |
- ((GLint) (c[0])) << 16 |
- ((GLint) (c[1])) << 8 |
- ((GLint) (c[2]));
- switch (t->format)
- {
- case GL_ALPHA:
- current->hwTexBlendColor0 = STAGE0_C_CF;
- current->hwTexBlendAlpha0 = STAGE0_A_AFAS;
- break;
- case GL_LUMINANCE:
- case GL_RGB:
- case GL_YCBCR_MESA:
- current->hwTexBlendColor0 = STAGE0_C_CFOMCS_CCCS;
- current->hwTexBlendAlpha0 = STAGE0_A_AF;
- break;
- case GL_INTENSITY:
- current->hwTexBlendColor0 = STAGE0_C_CFOMCS_CCCS;
- current->hwTexBlendAlpha0 = STAGE0_A_AFOMAS_ACAS;
- break;
- case GL_LUMINANCE_ALPHA:
- case GL_RGBA:
- current->hwTexBlendColor0 = STAGE0_C_CFOMCS_CCCS;
- current->hwTexBlendAlpha0 = STAGE0_A_AFAS;
- break;
- default:
- sis_fatal_error("unknown base format 0x%x\n", t->format);
- }
- break;
-
- default:
- sis_fatal_error("unknown env mode 0x%x\n", texture_unit->EnvMode);
- }
-
- if ((current->hwTexBlendColor0 != prev->hwTexBlendColor0) ||
- (current->hwTexBlendAlpha0 != prev->hwTexBlendAlpha0) ||
- (current->hwTexEnvColor != prev->hwTexEnvColor))
- {
- prev->hwTexEnvColor = current->hwTexEnvColor;
- prev->hwTexBlendColor0 = current->hwTexBlendColor0;
- prev->hwTexBlendAlpha0 = current->hwTexBlendAlpha0;
- smesa->GlobalFlag |= GFLAG_TEXTUREENV;
- }
-}
-
-/* Handle texenv stuff, called from validate_texture (renderstart) */
-static void
-sis_set_texture_env1( struct gl_context *ctx, struct gl_texture_object *texObj,
- int unit)
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
- GLubyte c[4];
-
- __GLSiSHardware *prev = &smesa->prev;
- __GLSiSHardware *current = &smesa->current;
-
- struct gl_texture_unit *texture_unit = &ctx->Texture.Unit[unit];
-
- sisTexObjPtr t = texObj->DriverData;
-
- switch (texture_unit->EnvMode)
- {
- case GL_REPLACE:
- switch (t->format)
- {
- case GL_ALPHA:
- current->hwTexBlendColor1 = STAGE1_C_CF;
- current->hwTexBlendAlpha1 = STAGE1_A_AS;
- break;
- case GL_LUMINANCE:
- case GL_RGB:
- case GL_YCBCR_MESA:
- current->hwTexBlendColor1 = STAGE1_C_CS;
- current->hwTexBlendAlpha1 = STAGE1_A_AF;
- break;
- case GL_INTENSITY:
- case GL_LUMINANCE_ALPHA:
- case GL_RGBA:
- current->hwTexBlendColor1 = STAGE1_C_CS;
- current->hwTexBlendAlpha1 = STAGE1_A_AS;
- break;
- default:
- sis_fatal_error("unknown base format 0x%x\n", t->format);
- }
- break;
-
- case GL_MODULATE:
- switch (t->format)
- {
- case GL_ALPHA:
- current->hwTexBlendColor1 = STAGE1_C_CF;
- current->hwTexBlendAlpha1 = STAGE1_A_AFAS;
- break;
- case GL_LUMINANCE:
- case GL_RGB:
- case GL_YCBCR_MESA:
- current->hwTexBlendColor1 = STAGE1_C_CFCS;
- current->hwTexBlendAlpha1 = STAGE1_A_AF;
- break;
- case GL_INTENSITY:
- case GL_LUMINANCE_ALPHA:
- case GL_RGBA:
- current->hwTexBlendColor1 = STAGE1_C_CFCS;
- current->hwTexBlendAlpha1 = STAGE1_A_AFAS;
- break;
- default:
- sis_fatal_error("unknown base format 0x%x\n", t->format);
- }
- break;
-
- case GL_DECAL:
- switch (t->format)
- {
- case GL_RGB:
- case GL_YCBCR_MESA:
- current->hwTexBlendColor1 = STAGE1_C_CS;
- current->hwTexBlendAlpha1 = STAGE1_A_AF;
- break;
- case GL_RGBA:
- current->hwTexBlendColor1 = STAGE1_C_CFOMAS_CSAS;
- current->hwTexBlendAlpha1 = STAGE1_A_AF;
- break;
- case GL_ALPHA:
- case GL_LUMINANCE:
- case GL_INTENSITY:
- case GL_LUMINANCE_ALPHA:
- current->hwTexBlendColor1 = STAGE1_C_CF;
- current->hwTexBlendAlpha1 = STAGE1_A_AF;
- break;
- default:
- sis_fatal_error("unknown base format 0x%x\n", t->format);
- }
- break;
-
- case GL_BLEND:
- UNCLAMPED_FLOAT_TO_RGBA_CHAN(c, texture_unit->EnvColor);
- current->hwTexEnvColor = ((GLint) (c[3])) << 24 |
- ((GLint) (c[0])) << 16 |
- ((GLint) (c[1])) << 8 |
- ((GLint) (c[2]));
- switch (t->format)
- {
- case GL_ALPHA:
- current->hwTexBlendColor1 = STAGE1_C_CF;
- current->hwTexBlendAlpha1 = STAGE1_A_AFAS;
- break;
- case GL_LUMINANCE:
- case GL_RGB:
- case GL_YCBCR_MESA:
- current->hwTexBlendColor1 = STAGE1_C_CFOMCS_CCCS;
- current->hwTexBlendAlpha1 = STAGE1_A_AF;
- break;
- case GL_INTENSITY:
- current->hwTexBlendColor1 = STAGE1_C_CFOMCS_CCCS;
- current->hwTexBlendAlpha1 = STAGE1_A_AFOMAS_ACAS;
- break;
- case GL_LUMINANCE_ALPHA:
- case GL_RGBA:
- current->hwTexBlendColor1 = STAGE1_C_CFOMCS_CCCS;
- current->hwTexBlendAlpha1 = STAGE1_A_AFAS;
- break;
- default:
- sis_fatal_error("unknown base format 0x%x\n", t->format);
- }
- break;
-
- default:
- sis_fatal_error("unknown env mode 0x%x\n", texture_unit->EnvMode);
- }
-
- if ((current->hwTexBlendColor1 != prev->hwTexBlendColor1) ||
- (current->hwTexBlendAlpha1 != prev->hwTexBlendAlpha1) ||
- (current->hwTexEnvColor != prev->hwTexEnvColor))
- {
- prev->hwTexBlendColor1 = current->hwTexBlendColor1;
- prev->hwTexBlendAlpha1 = current->hwTexBlendAlpha1;
- prev->hwTexEnvColor = current->hwTexEnvColor;
- smesa->GlobalFlag |= GFLAG_TEXTUREENV_1;
- }
-}
-
-/* Returns 0 if a software fallback is necessary */
-static GLboolean
-sis_set_texobj_parm( struct gl_context *ctx, struct gl_texture_object *texObj,
- int hw_unit )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
- int ok = 1;
-
- __GLSiSHardware *prev = &smesa->prev;
- __GLSiSHardware *current = &smesa->current;
-
- sisTexObjPtr t = texObj->DriverData;
-
- GLint firstLevel, lastLevel;
- GLint i;
-
- current->texture[hw_unit].hwTextureMip = 0UL;
- current->texture[hw_unit].hwTextureSet = t->hwformat;
-
- if ((texObj->Sampler.MinFilter == GL_NEAREST) || (texObj->Sampler.MinFilter == GL_LINEAR)) {
- firstLevel = lastLevel = texObj->BaseLevel;
- } else {
- /* Compute which mipmap levels we really want to send to the hardware.
- * This depends on the base image size, GL_TEXTURE_MIN_LOD,
- * GL_TEXTURE_MAX_LOD, GL_TEXTURE_BASE_LEVEL and GL_TEXTURE_MAX_LEVEL.
- * Yes, this looks overly complicated, but it's all needed.
- */
-
- firstLevel = texObj->BaseLevel + (GLint)(texObj->Sampler.MinLod + 0.5);
- firstLevel = MAX2(firstLevel, texObj->BaseLevel);
- lastLevel = texObj->BaseLevel + (GLint)(texObj->Sampler.MaxLod + 0.5);
- lastLevel = MAX2(lastLevel, texObj->BaseLevel);
- lastLevel = MIN2(lastLevel, texObj->BaseLevel +
- texObj->Image[0][texObj->BaseLevel]->MaxLog2);
- lastLevel = MIN2(lastLevel, texObj->MaxLevel);
- lastLevel = MAX2(firstLevel, lastLevel); /* need at least one level */
- }
-
- current->texture[hw_unit].hwTextureSet |= (lastLevel << 8);
-
- switch (texObj->Sampler.MagFilter)
- {
- case GL_NEAREST:
- current->texture[hw_unit].hwTextureMip |= TEXTURE_FILTER_NEAREST;
- break;
- case GL_LINEAR:
- current->texture[hw_unit].hwTextureMip |= (TEXTURE_FILTER_LINEAR << 3);
- break;
- }
-
- {
- GLint b;
-
- /* The mipmap lod biasing is based on experiment. It seems there's a
- * limit of around +4/-4 to the bias value; we're being conservative.
- */
- b = (GLint) (ctx->Texture.Unit[hw_unit].LodBias * 32.0);
- if (b > 127)
- b = 127;
- else if (b < -128)
- b = -128;
-
- current->texture[hw_unit].hwTextureMip |= ((b << 4) &
- MASK_TextureMipmapLodBias);
- }
-
- switch (texObj->Sampler.MinFilter)
- {
- case GL_NEAREST:
- current->texture[hw_unit].hwTextureMip |= TEXTURE_FILTER_NEAREST;
- break;
- case GL_LINEAR:
- current->texture[hw_unit].hwTextureMip |= TEXTURE_FILTER_LINEAR;
- break;
- case GL_NEAREST_MIPMAP_NEAREST:
- current->texture[hw_unit].hwTextureMip |=
- TEXTURE_FILTER_NEAREST_MIP_NEAREST;
- break;
- case GL_NEAREST_MIPMAP_LINEAR:
- current->texture[hw_unit].hwTextureMip |=
- TEXTURE_FILTER_NEAREST_MIP_LINEAR;
- break;
- case GL_LINEAR_MIPMAP_NEAREST:
- current->texture[hw_unit].hwTextureMip |=
- TEXTURE_FILTER_LINEAR_MIP_NEAREST;
- break;
- case GL_LINEAR_MIPMAP_LINEAR:
- current->texture[hw_unit].hwTextureMip |=
- TEXTURE_FILTER_LINEAR_MIP_LINEAR;
- break;
- }
-
- switch (texObj->Sampler.WrapS)
- {
- case GL_REPEAT:
- current->texture[hw_unit].hwTextureSet |= MASK_TextureWrapU;
- break;
- case GL_MIRRORED_REPEAT:
- current->texture[hw_unit].hwTextureSet |= MASK_TextureMirrorU;
- break;
- case GL_CLAMP:
- current->texture[hw_unit].hwTextureSet |= MASK_TextureClampU;
- /* XXX: GL_CLAMP isn't conformant, but falling back makes the situation
- * worse in other programs at the moment.
- */
- /*ok = 0;*/
- break;
- case GL_CLAMP_TO_EDGE:
- current->texture[hw_unit].hwTextureSet |= MASK_TextureClampU;
- break;
- case GL_CLAMP_TO_BORDER:
- current->texture[hw_unit].hwTextureSet |= MASK_TextureBorderU;
- break;
- }
-
- switch (texObj->Sampler.WrapT)
- {
- case GL_REPEAT:
- current->texture[hw_unit].hwTextureSet |= MASK_TextureWrapV;
- break;
- case GL_MIRRORED_REPEAT:
- current->texture[hw_unit].hwTextureSet |= MASK_TextureMirrorV;
- break;
- case GL_CLAMP:
- current->texture[hw_unit].hwTextureSet |= MASK_TextureClampV;
- /* XXX: GL_CLAMP isn't conformant, but falling back makes the situation
- * worse in other programs at the moment.
- */
- /*ok = 0;*/
- break;
- case GL_CLAMP_TO_EDGE:
- current->texture[hw_unit].hwTextureSet |= MASK_TextureClampV;
- break;
- case GL_CLAMP_TO_BORDER:
- current->texture[hw_unit].hwTextureSet |= MASK_TextureBorderV;
- break;
- }
-
- {
- GLubyte c[4];
- CLAMPED_FLOAT_TO_UBYTE(c[0], texObj->Sampler.BorderColor.f[0]);
- CLAMPED_FLOAT_TO_UBYTE(c[1], texObj->Sampler.BorderColor.f[1]);
- CLAMPED_FLOAT_TO_UBYTE(c[2], texObj->Sampler.BorderColor.f[2]);
- CLAMPED_FLOAT_TO_UBYTE(c[3], texObj->Sampler.BorderColor.f[3]);
-
- current->texture[hw_unit].hwTextureBorderColor =
- PACK_COLOR_8888(c[3], c[0], c[1], c[2]);
- }
-
- if (current->texture[hw_unit].hwTextureBorderColor !=
- prev->texture[hw_unit].hwTextureBorderColor)
- {
- prev->texture[hw_unit].hwTextureBorderColor =
- current->texture[hw_unit].hwTextureBorderColor;
- if (hw_unit == 1)
- smesa->GlobalFlag |= GFLAG_TEXBORDERCOLOR_1;
- else
- smesa->GlobalFlag |= GFLAG_TEXBORDERCOLOR;
- }
-
- current->texture[hw_unit].hwTextureSet |=
- texObj->Image[0][firstLevel]->WidthLog2 << 4;
- current->texture[hw_unit].hwTextureSet |=
- texObj->Image[0][firstLevel]->HeightLog2;
-
- if (hw_unit == 0)
- smesa->GlobalFlag |= GFLAG_TEXTUREADDRESS;
- else
- smesa->GlobalFlag |= GFLAG_TEXTUREADDRESS_1;
-
- for (i = firstLevel; i <= lastLevel; i++)
- {
- GLuint texOffset = 0;
- GLuint texPitch = TransferTexturePitch( t->image[i].pitch );
-
- switch (t->image[i].memType)
- {
- case VIDEO_TYPE:
- texOffset = ((unsigned long)t->image[i].Data - (unsigned long)smesa->FbBase);
- break;
- case AGP_TYPE:
- texOffset = ((unsigned long)t->image[i].Data - (unsigned long)smesa->AGPBase) +
- (unsigned long) smesa->AGPAddr;
- current->texture[hw_unit].hwTextureMip |=
- (MASK_TextureLevel0InSystem << i);
- break;
- }
-
- switch (i)
- {
- case 0:
- prev->texture[hw_unit].texOffset0 = texOffset;
- prev->texture[hw_unit].texPitch01 = texPitch << 16;
- break;
- case 1:
- prev->texture[hw_unit].texOffset1 = texOffset;
- prev->texture[hw_unit].texPitch01 |= texPitch;
- break;
- case 2:
- prev->texture[hw_unit].texOffset2 = texOffset;
- prev->texture[hw_unit].texPitch23 = texPitch << 16;
- break;
- case 3:
- prev->texture[hw_unit].texOffset3 = texOffset;
- prev->texture[hw_unit].texPitch23 |= texPitch;
- break;
- case 4:
- prev->texture[hw_unit].texOffset4 = texOffset;
- prev->texture[hw_unit].texPitch45 = texPitch << 16;
- break;
- case 5:
- prev->texture[hw_unit].texOffset5 = texOffset;
- prev->texture[hw_unit].texPitch45 |= texPitch;
- break;
- case 6:
- prev->texture[hw_unit].texOffset6 = texOffset;
- prev->texture[hw_unit].texPitch67 = texPitch << 16;
- break;
- case 7:
- prev->texture[hw_unit].texOffset7 = texOffset;
- prev->texture[hw_unit].texPitch67 |= texPitch;
- break;
- case 8:
- prev->texture[hw_unit].texOffset8 = texOffset;
- prev->texture[hw_unit].texPitch89 = texPitch << 16;
- break;
- case 9:
- prev->texture[hw_unit].texOffset9 = texOffset;
- prev->texture[hw_unit].texPitch89 |= texPitch;
- break;
- case 10:
- prev->texture[hw_unit].texOffset10 = texOffset;
- prev->texture[hw_unit].texPitch10 = texPitch << 16;
- break;
- case 11:
- prev->texture[hw_unit].texOffset11 = texOffset;
- prev->texture[hw_unit].texPitch10 |= texPitch;
- break;
- }
- }
-
- if (current->texture[hw_unit].hwTextureSet !=
- prev->texture[hw_unit].hwTextureSet)
- {
- prev->texture[hw_unit].hwTextureSet =
- current->texture[hw_unit].hwTextureSet;
- if (hw_unit == 1)
- smesa->GlobalFlag |= CFLAG_TEXTURERESET_1;
- else
- smesa->GlobalFlag |= CFLAG_TEXTURERESET;
- }
- if (current->texture[hw_unit].hwTextureMip !=
- prev->texture[hw_unit].hwTextureMip)
- {
- prev->texture[hw_unit].hwTextureMip =
- current->texture[hw_unit].hwTextureMip;
- if (hw_unit == 1)
- smesa->GlobalFlag |= GFLAG_TEXTUREMIPMAP_1;
- else
- smesa->GlobalFlag |= GFLAG_TEXTUREMIPMAP;
- }
-
- return ok;
-}
-
-/* Disable a texture unit, called from validate_texture */
-static void
-sis_reset_texture_env (struct gl_context *ctx, int hw_unit)
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
-
- __GLSiSHardware *prev = &smesa->prev;
- __GLSiSHardware *current = &smesa->current;
-
- if (hw_unit == 1)
- {
- current->hwTexBlendColor1 = STAGE1_C_CF;
- current->hwTexBlendAlpha1 = STAGE1_A_AF;
-
- if ((current->hwTexBlendColor1 != prev->hwTexBlendColor1) ||
- (current->hwTexBlendAlpha1 != prev->hwTexBlendAlpha1) ||
- (current->hwTexEnvColor != prev->hwTexEnvColor))
- {
- prev->hwTexBlendColor1 = current->hwTexBlendColor1;
- prev->hwTexBlendAlpha1 = current->hwTexBlendAlpha1;
- prev->hwTexEnvColor = current->hwTexEnvColor;
- smesa->GlobalFlag |= GFLAG_TEXTUREENV_1;
- }
- } else {
- current->hwTexBlendColor0 = STAGE0_C_CF;
- current->hwTexBlendAlpha0 = STAGE0_A_AF;
-
- if ((current->hwTexBlendColor0 != prev->hwTexBlendColor0) ||
- (current->hwTexBlendAlpha0 != prev->hwTexBlendAlpha0) ||
- (current->hwTexEnvColor != prev->hwTexEnvColor))
- {
- prev->hwTexBlendColor0 = current->hwTexBlendColor0;
- prev->hwTexBlendAlpha0 = current->hwTexBlendAlpha0;
- prev->hwTexEnvColor = current->hwTexEnvColor;
- smesa->GlobalFlag |= GFLAG_TEXTUREENV;
- }
- }
-}
-
-static void updateTextureUnit( struct gl_context *ctx, int unit )
-{
- sisContextPtr smesa = SIS_CONTEXT( ctx );
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- struct gl_texture_object *texObj = texUnit->_Current;
- GLint fallbackbit;
-
- if (unit == 0)
- fallbackbit = SIS_FALLBACK_TEXTURE0;
- else
- fallbackbit = SIS_FALLBACK_TEXTURE1;
-
- if (texUnit->_ReallyEnabled & (TEXTURE_1D_BIT | TEXTURE_2D_BIT)) {
- if (smesa->TexStates[unit] & NEW_TEXTURING) {
- GLboolean ok;
-
- ok = sis_set_texobj_parm (ctx, texObj, unit);
- FALLBACK( smesa, fallbackbit, !ok );
- }
- if (smesa->TexStates[unit] & NEW_TEXTURE_ENV) {
- if (unit == 0)
- sis_set_texture_env0( ctx, texObj, unit );
- else
- sis_set_texture_env1( ctx, texObj, unit );
- }
- smesa->TexStates[unit] = 0;
- } else if ( texUnit->_ReallyEnabled ) {
- /* fallback */
- FALLBACK( smesa, fallbackbit, 1 );
- } else {
- sis_reset_texture_env( ctx, unit );
- FALLBACK( smesa, fallbackbit, 0 );
- }
-}
-
-
-void sisUpdateTextureState( struct gl_context *ctx )
-{
- sisContextPtr smesa = SIS_CONTEXT( ctx );
- int i;
- __GLSiSHardware *current = &smesa->current;
-
-#if 1
- /* TODO : if unmark these, error in multitexture */ /* XXX */
- for (i = 0; i < SIS_MAX_TEXTURES; i++)
- smesa->TexStates[i] |= (NEW_TEXTURING | NEW_TEXTURE_ENV);
-#endif
-
- updateTextureUnit( ctx, 0 );
- updateTextureUnit( ctx, 1 );
-
- /* XXX Issues with the 2nd unit but not the first being enabled? */
- if ( ctx->Texture.Unit[0]._ReallyEnabled &
- (TEXTURE_1D_BIT | TEXTURE_2D_BIT) ||
- ctx->Texture.Unit[1]._ReallyEnabled &
- (TEXTURE_1D_BIT | TEXTURE_2D_BIT) )
- {
- current->hwCapEnable |= MASK_TextureEnable;
- current->hwCapEnable &= ~MASK_TextureNumUsed;
- if (ctx->Texture.Unit[1]._ReallyEnabled)
- current->hwCapEnable |= 0x00002000;
- else
- current->hwCapEnable |= 0x00001000;
- } else {
- current->hwCapEnable &= ~MASK_TextureEnable;
- }
-}
-
-static GLint
-BitScanForward( GLshort w )
-{
- GLint i;
-
- for (i = 0; i < 16; i++) {
- if (w & (1 << i))
- break;
- }
- return i;
-}
-
-static GLint
-TransferTexturePitch( GLint dwPitch )
-{
- GLint dwRet, i;
-
- i = BitScanForward( (GLshort)dwPitch );
- dwRet = dwPitch >> i;
- dwRet |= i << 9;
- return dwRet;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-18 12:53:34 +0000