aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/extras/Mesa/src/mesa/drivers/dri/i810/i810tex.c
diff options
context:
space:
mode:
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i810/i810tex.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/dri/i810/i810tex.c564
1 files changed, 0 insertions, 564 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i810/i810tex.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i810/i810tex.c
deleted file mode 100644
index 0aba8e8aa..000000000
--- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i810/i810tex.c
+++ /dev/null
@@ -1,564 +0,0 @@
-/*
- * GLX Hardware Device Driver for Intel i810
- * Copyright (C) 1999 Keith Whitwell
- *
- * 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 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
- * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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.
- *
- */
-/* $XFree86: xc/lib/GL/mesa/src/drv/i810/i810tex.c,v 1.9 2002/10/30 12:51:33 alanh Exp $ */
-
-#include "glheader.h"
-#include "mtypes.h"
-#include "imports.h"
-#include "simple_list.h"
-#include "enums.h"
-#include "texstore.h"
-#include "texformat.h"
-#include "teximage.h"
-#include "texmem.h"
-#include "texobj.h"
-#include "swrast/swrast.h"
-#include "colormac.h"
-#include "texobj.h"
-#include "mm.h"
-
-#include "i810screen.h"
-#include "i810_dri.h"
-
-#include "i810context.h"
-#include "i810tex.h"
-#include "i810state.h"
-#include "i810ioctl.h"
-
-
-/*
- * Compute the 'S2.4' lod bias factor from the floating point OpenGL bias.
- */
-static GLuint i810ComputeLodBias(GLfloat bias)
-{
- int b = (int) (bias * 16.0) + 12;
- if (b > 63)
- b = 63;
- else if (b < -64)
- b = -64;
- return (GLuint) (b & MLC_LOD_BIAS_MASK);
-}
-
-
-static void i810SetTexWrapping(i810TextureObjectPtr tex,
- GLenum swrap, GLenum twrap)
-{
- tex->Setup[I810_TEXREG_MCS] &= ~(MCS_U_STATE_MASK| MCS_V_STATE_MASK);
-
- switch( swrap ) {
- case GL_REPEAT:
- tex->Setup[I810_TEXREG_MCS] |= MCS_U_WRAP;
- break;
- case GL_CLAMP:
- case GL_CLAMP_TO_EDGE:
- tex->Setup[I810_TEXREG_MCS] |= MCS_U_CLAMP;
- break;
- case GL_MIRRORED_REPEAT:
- tex->Setup[I810_TEXREG_MCS] |= MCS_U_MIRROR;
- break;
- default:
- _mesa_problem(NULL, "bad S wrap mode in %s", __FUNCTION__);
- }
-
- switch( twrap ) {
- case GL_REPEAT:
- tex->Setup[I810_TEXREG_MCS] |= MCS_V_WRAP;
- break;
- case GL_CLAMP:
- case GL_CLAMP_TO_EDGE:
- tex->Setup[I810_TEXREG_MCS] |= MCS_V_CLAMP;
- break;
- case GL_MIRRORED_REPEAT:
- tex->Setup[I810_TEXREG_MCS] |= MCS_V_MIRROR;
- break;
- default:
- _mesa_problem(NULL, "bad T wrap mode in %s", __FUNCTION__);
- }
-}
-
-
-static void i810SetTexFilter(i810ContextPtr imesa,
- i810TextureObjectPtr t,
- GLenum minf, GLenum magf,
- GLfloat bias)
-{
- t->Setup[I810_TEXREG_MF] &= ~(MF_MIN_MASK|
- MF_MAG_MASK|
- MF_MIP_MASK);
- t->Setup[I810_TEXREG_MLC] &= ~(MLC_LOD_BIAS_MASK);
-
- switch (minf) {
- case GL_NEAREST:
- t->Setup[I810_TEXREG_MF] |= MF_MIN_NEAREST | MF_MIP_NONE;
- break;
- case GL_LINEAR:
- t->Setup[I810_TEXREG_MF] |= MF_MIN_LINEAR | MF_MIP_NONE;
- break;
- case GL_NEAREST_MIPMAP_NEAREST:
- t->Setup[I810_TEXREG_MF] |= MF_MIN_NEAREST | MF_MIP_NEAREST;
- if (magf == GL_LINEAR) {
- /*bias -= 0.5;*/ /* this doesn't work too good */
- }
- break;
- case GL_LINEAR_MIPMAP_NEAREST:
- t->Setup[I810_TEXREG_MF] |= MF_MIN_LINEAR | MF_MIP_NEAREST;
- break;
- case GL_NEAREST_MIPMAP_LINEAR:
- if (IS_I815(imesa))
- t->Setup[I810_TEXREG_MF] |= MF_MIN_NEAREST | MF_MIP_LINEAR;
- else
- t->Setup[I810_TEXREG_MF] |= MF_MIN_NEAREST | MF_MIP_DITHER;
- /*
- if (magf == GL_LINEAR) {
- bias -= 0.5;
- }
- */
- bias -= 0.5; /* always biasing here looks better */
- break;
- case GL_LINEAR_MIPMAP_LINEAR:
- if (IS_I815(imesa))
- t->Setup[I810_TEXREG_MF] |= MF_MIN_LINEAR | MF_MIP_LINEAR;
- else
- t->Setup[I810_TEXREG_MF] |= MF_MIN_LINEAR | MF_MIP_DITHER;
- break;
- default:
- return;
- }
-
- switch (magf) {
- case GL_NEAREST:
- t->Setup[I810_TEXREG_MF] |= MF_MAG_NEAREST;
- break;
- case GL_LINEAR:
- t->Setup[I810_TEXREG_MF] |= MF_MAG_LINEAR;
- break;
- default:
- return;
- }
-
- t->Setup[I810_TEXREG_MLC] |= i810ComputeLodBias(bias);
-}
-
-
-static void
-i810SetTexBorderColor( i810TextureObjectPtr t, GLubyte color[4] )
-{
- /* Need a fallback.
- */
-}
-
-
-static i810TextureObjectPtr
-i810AllocTexObj( GLcontext *ctx, struct gl_texture_object *texObj )
-{
- i810TextureObjectPtr t;
- i810ContextPtr imesa = I810_CONTEXT(ctx);
-
- t = CALLOC_STRUCT( i810_texture_object_t );
- texObj->DriverData = t;
- if ( t != NULL ) {
- GLfloat bias = ctx->Texture.Unit[ctx->Texture.CurrentUnit].LodBias;
- /* Initialize non-image-dependent parts of the state:
- */
- t->base.tObj = texObj;
- t->Setup[I810_TEXREG_MI0] = GFX_OP_MAP_INFO;
- t->Setup[I810_TEXREG_MI1] = MI1_MAP_0;
- t->Setup[I810_TEXREG_MI2] = MI2_DIMENSIONS_ARE_LOG2;
- t->Setup[I810_TEXREG_MLC] = (GFX_OP_MAP_LOD_CTL |
- MLC_MAP_0 |
- /*MLC_DITHER_WEIGHT_FULL |*/
- MLC_DITHER_WEIGHT_12 |
- MLC_UPDATE_LOD_BIAS |
- 0x0);
- t->Setup[I810_TEXREG_MCS] = (GFX_OP_MAP_COORD_SETS |
- MCS_COORD_0 |
- MCS_UPDATE_NORMALIZED |
- MCS_NORMALIZED_COORDS |
- MCS_UPDATE_V_STATE |
- MCS_V_WRAP |
- MCS_UPDATE_U_STATE |
- MCS_U_WRAP);
- t->Setup[I810_TEXREG_MF] = (GFX_OP_MAP_FILTER |
- MF_MAP_0 |
- MF_UPDATE_ANISOTROPIC |
- MF_UPDATE_MIP_FILTER |
- MF_UPDATE_MAG_FILTER |
- MF_UPDATE_MIN_FILTER);
-
- make_empty_list( & t->base );
-
- i810SetTexWrapping( t, texObj->WrapS, texObj->WrapT );
- /*i830SetTexMaxAnisotropy( t, texObj->MaxAnisotropy );*/
- i810SetTexFilter( imesa, t, texObj->MinFilter, texObj->MagFilter, bias );
- i810SetTexBorderColor( t, texObj->_BorderChan );
- }
-
- return t;
-}
-
-
-static void i810TexParameter( GLcontext *ctx, GLenum target,
- struct gl_texture_object *tObj,
- GLenum pname, const GLfloat *params )
-{
- i810ContextPtr imesa = I810_CONTEXT(ctx);
- i810TextureObjectPtr t = (i810TextureObjectPtr) tObj->DriverData;
-
- if (!t)
- return;
-
- if ( target != GL_TEXTURE_2D )
- return;
-
- /* Can't do the update now as we don't know whether to flush
- * vertices or not. Setting imesa->new_state means that
- * i810UpdateTextureState() will be called before any triangles are
- * rendered. If a statechange has occurred, it will be detected at
- * that point, and buffered vertices flushed.
- */
- switch (pname) {
- case GL_TEXTURE_MIN_FILTER:
- case GL_TEXTURE_MAG_FILTER:
- {
- GLfloat bias = ctx->Texture.Unit[ctx->Texture.CurrentUnit].LodBias;
- i810SetTexFilter( imesa, t, tObj->MinFilter, tObj->MagFilter, bias );
- }
- break;
-
- case GL_TEXTURE_WRAP_S:
- case GL_TEXTURE_WRAP_T:
- i810SetTexWrapping( t, tObj->WrapS, tObj->WrapT );
- break;
-
- case GL_TEXTURE_BORDER_COLOR:
- i810SetTexBorderColor( t, tObj->_BorderChan );
- break;
-
- case GL_TEXTURE_BASE_LEVEL:
- case GL_TEXTURE_MAX_LEVEL:
- case GL_TEXTURE_MIN_LOD:
- case GL_TEXTURE_MAX_LOD:
- /* This isn't the most efficient solution but there doesn't appear to
- * be a nice alternative for Radeon. Since there's no LOD clamping,
- * we just have to rely on loading the right subset of mipmap levels
- * to simulate a clamped LOD.
- */
- I810_FIREVERTICES( I810_CONTEXT(ctx) );
- driSwapOutTextureObject( (driTextureObject *) t );
- break;
-
- default:
- return;
- }
-
- if (t == imesa->CurrentTexObj[0]) {
- I810_STATECHANGE( imesa, I810_UPLOAD_TEX0 );
- }
-
- if (t == imesa->CurrentTexObj[1]) {
- I810_STATECHANGE( imesa, I810_UPLOAD_TEX1 );
- }
-}
-
-
-/**
- * Setup hardware bits for new texture environment settings.
- *
- * \todo
- * Determine whether or not \c param can be used instead of
- * \c texUnit->EnvColor in the \c GL_TEXTURE_ENV_COLOR case.
- */
-static void i810TexEnv( GLcontext *ctx, GLenum target,
- GLenum pname, const GLfloat *param )
-{
- i810ContextPtr imesa = I810_CONTEXT( ctx );
- const GLuint unit = ctx->Texture.CurrentUnit;
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
-
- /* Only one env color. Need a fallback if env colors are different
- * and texture setup references env color in both units.
- */
- switch (pname) {
- case GL_TEXTURE_ENV_COLOR: {
- GLubyte c[4];
- GLuint envColor;
-
- UNCLAMPED_FLOAT_TO_RGBA_CHAN( c, texUnit->EnvColor );
- envColor = PACK_COLOR_8888( c[3], c[0], c[1], c[2] );
-
- if (imesa->Setup[I810_CTXREG_CF1] != envColor) {
- I810_STATECHANGE(imesa, I810_UPLOAD_CTX);
- imesa->Setup[I810_CTXREG_CF1] = envColor;
- }
- break;
- }
-
- case GL_TEXTURE_ENV_MODE:
- imesa->TexEnvImageFmt[unit] = 0; /* force recalc of env state */
- break;
-
- case GL_TEXTURE_LOD_BIAS: {
- if ( texUnit->_Current != NULL ) {
- const struct gl_texture_object *tObj = texUnit->_Current;
- i810TextureObjectPtr t = (i810TextureObjectPtr) tObj->DriverData;
-
- t->Setup[I810_TEXREG_MLC] &= ~(MLC_LOD_BIAS_MASK);
- t->Setup[I810_TEXREG_MLC] |= i810ComputeLodBias(*param);
- }
- break;
- }
-
- default:
- break;
- }
-}
-
-
-
-#if 0
-static void i810TexImage1D( GLcontext *ctx, GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint border,
- GLenum format, GLenum type,
- const GLvoid *pixels,
- const struct gl_pixelstore_attrib *pack,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage )
-{
- i810TextureObjectPtr t = (i810TextureObjectPtr) texObj->DriverData;
- if (t) {
- i810SwapOutTexObj( imesa, t );
- }
-}
-
-static void i810TexSubImage1D( GLcontext *ctx,
- GLenum target,
- GLint level,
- GLint xoffset,
- GLsizei width,
- GLenum format, GLenum type,
- const GLvoid *pixels,
- const struct gl_pixelstore_attrib *pack,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage )
-{
-}
-#endif
-
-
-static void i810TexImage2D( GLcontext *ctx, GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage )
-{
- driTextureObject *t = (driTextureObject *) texObj->DriverData;
- if (t) {
- I810_FIREVERTICES( I810_CONTEXT(ctx) );
- driSwapOutTextureObject( t );
- }
- else {
- t = (driTextureObject *) i810AllocTexObj( ctx, texObj );
- if (!t) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
- return;
- }
- }
- _mesa_store_teximage2d( ctx, target, level, internalFormat,
- width, height, border, format, type,
- pixels, packing, texObj, texImage );
-}
-
-static void i810TexSubImage2D( GLcontext *ctx,
- GLenum target,
- GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage )
-{
- driTextureObject *t = (driTextureObject *)texObj->DriverData;
- if (t) {
- I810_FIREVERTICES( I810_CONTEXT(ctx) );
- driSwapOutTextureObject( t );
- }
- _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
- height, format, type, pixels, packing, texObj,
- texImage);
-}
-
-
-static void i810BindTexture( GLcontext *ctx, GLenum target,
- struct gl_texture_object *tObj )
-{
- assert( (target != GL_TEXTURE_2D) || (tObj->DriverData != NULL) );
-}
-
-
-static void i810DeleteTexture( GLcontext *ctx, struct gl_texture_object *tObj )
-{
- driTextureObject * t = (driTextureObject *) tObj->DriverData;
- if (t) {
- i810ContextPtr imesa = I810_CONTEXT( ctx );
- if (imesa)
- I810_FIREVERTICES( imesa );
- driDestroyTextureObject( t );
- }
- /* Free mipmap images and the texture object itself */
- _mesa_delete_texture_object(ctx, tObj);
-}
-
-/**
- * Choose a Mesa texture format to match the requested format.
- *
- * \todo
- * Determine why \c _mesa_texformat_al88 doesn't work right for
- * \c GL_LUMINANCE_ALPHA textures. It seems to work fine for \c GL_INTENSITY,
- * but \c GL_LUMINANCE_ALPHA gets some red bands in progs/demos/texenv.
- */
-static const struct gl_texture_format *
-i810ChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
- GLenum format, GLenum type )
-{
- switch ( internalFormat ) {
- case 4:
- case GL_RGBA:
- case GL_COMPRESSED_RGBA:
- if ( format == GL_BGRA ) {
- if ( type == GL_UNSIGNED_SHORT_1_5_5_5_REV ) {
- return &_mesa_texformat_argb1555;
- }
- }
- return &_mesa_texformat_argb4444;
-
- case 3:
- case GL_RGB:
- case GL_COMPRESSED_RGB:
- case GL_R3_G3_B2:
- case GL_RGB4:
- case GL_RGB5:
- case GL_RGB8:
- case GL_RGB10:
- case GL_RGB12:
- case GL_RGB16:
- return &_mesa_texformat_rgb565;
-
- case GL_RGBA2:
- case GL_RGBA4:
- case GL_RGBA8:
- case GL_RGB10_A2:
- case GL_RGBA12:
- case GL_RGBA16:
- return &_mesa_texformat_argb4444;
-
- case GL_RGB5_A1:
- return &_mesa_texformat_argb1555;
-
- case GL_ALPHA:
- case GL_ALPHA4:
- case GL_ALPHA8:
- case GL_ALPHA12:
- case GL_ALPHA16:
- case GL_COMPRESSED_ALPHA:
- return &_mesa_texformat_al88;
-
- case 1:
- case GL_LUMINANCE:
- case GL_LUMINANCE4:
- case GL_LUMINANCE8:
- case GL_LUMINANCE12:
- case GL_LUMINANCE16:
- case GL_COMPRESSED_LUMINANCE:
- return &_mesa_texformat_rgb565;
-
- case 2:
- case GL_LUMINANCE_ALPHA:
- case GL_LUMINANCE4_ALPHA4:
- case GL_LUMINANCE6_ALPHA2:
- case GL_LUMINANCE8_ALPHA8:
- case GL_LUMINANCE12_ALPHA4:
- case GL_LUMINANCE12_ALPHA12:
- case GL_LUMINANCE16_ALPHA16:
- case GL_COMPRESSED_LUMINANCE_ALPHA:
- case GL_INTENSITY:
- case GL_INTENSITY4:
- case GL_INTENSITY8:
- case GL_INTENSITY12:
- case GL_INTENSITY16:
- case GL_COMPRESSED_INTENSITY:
-#if 0
- return &_mesa_texformat_al88;
-#else
- return &_mesa_texformat_argb4444;
-#endif
-
- case GL_YCBCR_MESA:
- if (type == GL_UNSIGNED_SHORT_8_8_MESA ||
- type == GL_UNSIGNED_BYTE)
- return &_mesa_texformat_ycbcr;
- else
- return &_mesa_texformat_ycbcr_rev;
-
- default:
- fprintf(stderr, "unexpected texture format in %s\n", __FUNCTION__);
- return NULL;
- }
-
- return NULL; /* never get here */
-}
-
-/**
- * Allocate a new texture object.
- * Called via ctx->Driver.NewTextureObject.
- * Note: this function will be called during context creation to
- * allocate the default texture objects.
- * Note: we could use containment here to 'derive' the driver-specific
- * texture object from the core mesa gl_texture_object. Not done at this time.
- */
-static struct gl_texture_object *
-i810NewTextureObject( GLcontext *ctx, GLuint name, GLenum target )
-{
- struct gl_texture_object *obj;
- obj = _mesa_new_texture_object(ctx, name, target);
- i810AllocTexObj( ctx, obj );
- return obj;
-}
-
-void i810InitTextureFuncs( struct dd_function_table *functions )
-{
- functions->ChooseTextureFormat = i810ChooseTextureFormat;
- functions->TexImage2D = i810TexImage2D;
- functions->TexSubImage2D = i810TexSubImage2D;
- functions->BindTexture = i810BindTexture;
- functions->NewTextureObject = i810NewTextureObject;
- functions->DeleteTexture = i810DeleteTexture;
- functions->TexParameter = i810TexParameter;
- functions->TexEnv = i810TexEnv;
- functions->IsTextureResident = driIsTextureResident;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 17:11:51 +0000