diff options
Diffstat (limited to 'src/mesa/drivers/dri/mga/mgatex.c')
| -rw-r--r-- | src/mesa/drivers/dri/mga/mgatex.c | 540 |
1 files changed, 0 insertions, 540 deletions
diff --git a/src/mesa/drivers/dri/mga/mgatex.c b/src/mesa/drivers/dri/mga/mgatex.c deleted file mode 100644 index ebbfec36556..00000000000 --- a/src/mesa/drivers/dri/mga/mgatex.c +++ /dev/null @@ -1,540 +0,0 @@ -/* - * Copyright 2000-2001 VA Linux Systems, Inc. - * 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 - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: - * Keith Whitwell <keith@tungstengraphics.com> - */ - -#include "main/glheader.h" -#include "main/mm.h" -#include "main/colormac.h" -#include "main/context.h" -#include "main/enums.h" -#include "main/simple_list.h" -#include "main/imports.h" -#include "main/macros.h" -#include "main/texstore.h" -#include "main/teximage.h" -#include "main/texobj.h" - -#include "mgacontext.h" -#include "mgatex.h" -#include "mgaregs.h" -#include "mgaioctl.h" - -#include "xmlpool.h" - -/** - * Set the texture wrap modes. - * Currently \c GL_REPEAT, \c GL_CLAMP and \c GL_CLAMP_TO_EDGE are supported. - * - * \param t Texture object whose wrap modes are to be set - * \param swrap Wrap mode for the \a s texture coordinate - * \param twrap Wrap mode for the \a t texture coordinate - */ - -static void -mgaSetTexWrapping( mgaTextureObjectPtr t, GLenum swrap, GLenum twrap ) -{ - GLboolean is_clamp = GL_FALSE; - GLboolean is_clamp_to_edge = GL_FALSE; - - t->setup.texctl &= (TMC_clampu_MASK & TMC_clampv_MASK); - t->setup.texctl2 &= (TMC_borderen_MASK); - - switch( swrap ) { - case GL_REPEAT: - break; - case GL_CLAMP: - t->setup.texctl |= TMC_clampu_enable; - is_clamp = GL_TRUE; - break; - case GL_CLAMP_TO_EDGE: - t->setup.texctl |= TMC_clampu_enable; - is_clamp_to_edge = GL_TRUE; - break; - default: - _mesa_problem(NULL, "bad S wrap mode in %s", __FUNCTION__); - } - - switch( twrap ) { - case GL_REPEAT: - break; - case GL_CLAMP: - t->setup.texctl |= TMC_clampv_enable; - is_clamp = GL_TRUE; - break; - case GL_CLAMP_TO_EDGE: - t->setup.texctl |= TMC_clampv_enable; - is_clamp_to_edge = GL_TRUE; - break; - default: - _mesa_problem(NULL, "bad T wrap mode in %s", __FUNCTION__); - } - - if ( is_clamp ) { - t->setup.texctl2 |= TMC_borderen_enable; - } - - t->border_fallback = (is_clamp && is_clamp_to_edge); -} - - -/** - * Set the texture magnification and minification modes. - * - * \param t Texture whose filter modes are to be set - * \param minf Texture minification mode - * \param magf Texture magnification mode - */ - -static void -mgaSetTexFilter( mgaTextureObjectPtr t, GLenum minf, GLenum magf ) -{ - GLuint val = 0; - - switch (minf) { - case GL_NEAREST: val = TF_minfilter_nrst; break; - case GL_LINEAR: val = TF_minfilter_bilin; break; - case GL_NEAREST_MIPMAP_NEAREST: val = TF_minfilter_mm1s; break; - case GL_LINEAR_MIPMAP_NEAREST: val = TF_minfilter_mm4s; break; - case GL_NEAREST_MIPMAP_LINEAR: val = TF_minfilter_mm2s; break; - case GL_LINEAR_MIPMAP_LINEAR: val = TF_minfilter_mm8s; break; - default: val = TF_minfilter_nrst; break; - } - - switch (magf) { - case GL_NEAREST: val |= TF_magfilter_nrst; break; - case GL_LINEAR: val |= TF_magfilter_bilin; break; - default: val |= TF_magfilter_nrst; break; - } - - /* See OpenGL 1.2 specification */ - if (magf == GL_LINEAR && (minf == GL_NEAREST_MIPMAP_NEAREST || - minf == GL_NEAREST_MIPMAP_LINEAR)) { - val |= MGA_FIELD( TF_fthres, 0x20 ); /* c = 0.5 */ - } else { - val |= MGA_FIELD( TF_fthres, 0x10 ); /* c = 0 */ - } - - - /* Mask off the bits for the fields we are setting. Remember, the MGA mask - * defines have 0s for the bits in the named fields. This is the opposite - * of most of the other drivers. - */ - - t->setup.texfilter &= (TF_minfilter_MASK & - TF_magfilter_MASK & - TF_fthres_MASK); - t->setup.texfilter |= val; -} - -static void mgaSetTexBorderColor(mgaTextureObjectPtr t, const GLfloat color[4]) -{ - GLubyte c[4]; - 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]); - t->setup.texbordercol = PACK_COLOR_8888(c[3], c[0], c[1], c[2] ); -} - - -static gl_format -mgaChooseTextureFormat( struct gl_context *ctx, GLint internalFormat, - GLenum format, GLenum type ) -{ - mgaContextPtr mmesa = MGA_CONTEXT(ctx); - const GLboolean do32bpt = - ( mmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_32 ); - const GLboolean force16bpt = - ( mmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_FORCE_16 ); - (void) format; - - switch ( internalFormat ) { - case 4: - case GL_RGBA: - case GL_COMPRESSED_RGBA: - switch ( type ) { - case GL_UNSIGNED_INT_10_10_10_2: - case GL_UNSIGNED_INT_2_10_10_10_REV: - return do32bpt ? MESA_FORMAT_ARGB8888 : MESA_FORMAT_ARGB1555; - case GL_UNSIGNED_SHORT_4_4_4_4: - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - return MESA_FORMAT_ARGB4444; - case GL_UNSIGNED_SHORT_5_5_5_1: - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - return MESA_FORMAT_ARGB1555; - default: - return do32bpt ? MESA_FORMAT_ARGB8888 : MESA_FORMAT_ARGB4444; - } - - case 3: - case GL_RGB: - case GL_COMPRESSED_RGB: - switch ( type ) { - case GL_UNSIGNED_SHORT_4_4_4_4: - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - return MESA_FORMAT_ARGB4444; - case GL_UNSIGNED_SHORT_5_5_5_1: - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - return MESA_FORMAT_ARGB1555; - case GL_UNSIGNED_SHORT_5_6_5: - case GL_UNSIGNED_SHORT_5_6_5_REV: - return MESA_FORMAT_RGB565; - default: - return do32bpt ? MESA_FORMAT_ARGB8888 : MESA_FORMAT_RGB565; - } - - case GL_RGBA8: - case GL_RGB10_A2: - case GL_RGBA12: - case GL_RGBA16: - return !force16bpt ? - MESA_FORMAT_ARGB8888 : MESA_FORMAT_ARGB4444; - - case GL_RGBA4: - case GL_RGBA2: - return MESA_FORMAT_ARGB4444; - - case GL_RGB5_A1: - return MESA_FORMAT_ARGB1555; - - case GL_RGB8: - case GL_RGB10: - case GL_RGB12: - case GL_RGB16: - return !force16bpt ? MESA_FORMAT_ARGB8888 : MESA_FORMAT_RGB565; - - case GL_RGB5: - case GL_RGB4: - case GL_R3_G3_B2: - return MESA_FORMAT_RGB565; - - case GL_ALPHA: - case GL_ALPHA4: - case GL_ALPHA8: - case GL_ALPHA12: - case GL_ALPHA16: - case GL_COMPRESSED_ALPHA: - /* FIXME: This will report incorrect component sizes... */ - return MGA_IS_G400(mmesa) ? MESA_FORMAT_AL88 : MESA_FORMAT_ARGB4444; - - case 1: - case GL_LUMINANCE: - case GL_LUMINANCE4: - case GL_LUMINANCE8: - case GL_LUMINANCE12: - case GL_LUMINANCE16: - case GL_COMPRESSED_LUMINANCE: - /* FIXME: This will report incorrect component sizes... */ - return MGA_IS_G400(mmesa) ? MESA_FORMAT_AL88 : MESA_FORMAT_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: - /* FIXME: This will report incorrect component sizes... */ - return MGA_IS_G400(mmesa) ? MESA_FORMAT_AL88 : MESA_FORMAT_ARGB4444; - - case GL_INTENSITY: - case GL_INTENSITY4: - case GL_INTENSITY8: - case GL_INTENSITY12: - case GL_INTENSITY16: - case GL_COMPRESSED_INTENSITY: - /* FIXME: This will report incorrect component sizes... */ - return MGA_IS_G400(mmesa) ? MESA_FORMAT_I8 : MESA_FORMAT_ARGB4444; - - case GL_YCBCR_MESA: - if (MGA_IS_G400(mmesa) && - (type == GL_UNSIGNED_SHORT_8_8_APPLE || - type == GL_UNSIGNED_BYTE)) - return MESA_FORMAT_YCBCR; - else - return MESA_FORMAT_YCBCR_REV; - - case GL_COLOR_INDEX: - case GL_COLOR_INDEX1_EXT: - case GL_COLOR_INDEX2_EXT: - case GL_COLOR_INDEX4_EXT: - case GL_COLOR_INDEX8_EXT: - case GL_COLOR_INDEX12_EXT: - case GL_COLOR_INDEX16_EXT: - return MESA_FORMAT_CI8; - - default: - _mesa_problem( ctx, "unexpected texture format in %s", __FUNCTION__ ); - return MESA_FORMAT_NONE; - } - - return MESA_FORMAT_NONE; /* never get here */ -} - - - - -/** - * Allocate space for and load the mesa images into the texture memory block. - * This will happen before drawing with a new texture, or drawing with a - * texture after it was swapped out or teximaged again. - */ - -static mgaTextureObjectPtr -mgaAllocTexObj( struct gl_texture_object *tObj ) -{ - mgaTextureObjectPtr t; - - - t = CALLOC( sizeof( *t ) ); - tObj->DriverData = t; - if ( t != NULL ) { - /* Initialize non-image-dependent parts of the state: - */ - t->base.tObj = tObj; - - t->setup.texctl = TMC_takey_1 | TMC_tamask_0; - t->setup.texctl2 = TMC_ckstransdis_enable; - t->setup.texfilter = TF_filteralpha_enable | TF_uvoffset_OGL; - - t->border_fallback = GL_FALSE; - t->texenv_fallback = GL_FALSE; - - make_empty_list( & t->base ); - - mgaSetTexWrapping( t, tObj->Sampler.WrapS, tObj->Sampler.WrapT ); - mgaSetTexFilter( t, tObj->Sampler.MinFilter, tObj->Sampler.MagFilter ); - mgaSetTexBorderColor( t, tObj->Sampler.BorderColor.f ); - } - - return( t ); -} - - -static void mgaTexEnv( struct gl_context *ctx, GLenum target, - GLenum pname, const GLfloat *param ) -{ - GLuint unit = ctx->Texture.CurrentUnit; - struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; - mgaContextPtr mmesa = MGA_CONTEXT(ctx); - - switch( pname ) { - case GL_TEXTURE_ENV_COLOR: { - GLubyte c[4]; - - UNCLAMPED_FLOAT_TO_RGBA_CHAN( c, texUnit->EnvColor ); - mmesa->envcolor[unit] = PACK_COLOR_8888( c[3], c[0], c[1], c[2] ); - break; - } - } -} - - -static void mgaTexImage2D( struct gl_context *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 != NULL ) { - driSwapOutTextureObject( t ); - } - else { - t = (driTextureObject *) mgaAllocTexObj( texObj ); - if ( t == NULL ) { - _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 ); - level -= t->firstLevel; - if (level >= 0) - t->dirty_images[0] |= (1UL << level); -} - -static void mgaTexSubImage2D( struct gl_context *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; - - assert( t ); /* this _should_ be true */ - if ( t != NULL ) { - driSwapOutTextureObject( t ); - } - else { - t = (driTextureObject *) mgaAllocTexObj( texObj ); - if ( t == NULL ) { - _mesa_error( ctx, GL_OUT_OF_MEMORY, "glTexImage2D" ); - return; - } - } - - _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width, - height, format, type, pixels, packing, texObj, - texImage); - level -= t->firstLevel; - if (level >= 0) - t->dirty_images[0] |= (1UL << level); -} - - -/** - * Changes variables and flags for a state update, which will happen at the - * next UpdateTextureState - */ - -static void -mgaTexParameter( struct gl_context *ctx, GLenum target, - struct gl_texture_object *tObj, - GLenum pname, const GLfloat *params ) -{ - mgaContextPtr mmesa = MGA_CONTEXT( ctx ); - mgaTextureObjectPtr t = (mgaTextureObjectPtr) tObj->DriverData; - - /* If we don't have a hardware texture, it will be automatically - * created with current state before it is used, so we don't have - * to do anything now - */ - if ( (t == NULL) || - (target != GL_TEXTURE_2D && - target != GL_TEXTURE_RECTANGLE_NV) ) { - return; - } - - switch (pname) { - case GL_TEXTURE_MIN_FILTER: - driSwapOutTextureObject( (driTextureObject *) t ); - /* FALLTHROUGH */ - case GL_TEXTURE_MAG_FILTER: - FLUSH_BATCH(mmesa); - mgaSetTexFilter( t, tObj->Sampler.MinFilter, tObj->Sampler.MagFilter ); - break; - - case GL_TEXTURE_WRAP_S: - case GL_TEXTURE_WRAP_T: - FLUSH_BATCH(mmesa); - mgaSetTexWrapping(t,tObj->Sampler.WrapS,tObj->Sampler.WrapT); - break; - - case GL_TEXTURE_BORDER_COLOR: - FLUSH_BATCH(mmesa); - mgaSetTexBorderColor(t, tObj->Sampler.BorderColor.f); - 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. Since there's no LOD clamping, - * we just have to rely on loading the right subset of mipmap levels - * to simulate a clamped LOD. - */ - driSwapOutTextureObject( (driTextureObject *) t ); - break; - - default: - return; - } -} - - -static void -mgaBindTexture( struct gl_context *ctx, GLenum target, - struct gl_texture_object *tObj ) -{ - assert( (target != GL_TEXTURE_2D && target != GL_TEXTURE_RECTANGLE_NV) || - (tObj->DriverData != NULL) ); -} - - -static void -mgaDeleteTexture( struct gl_context *ctx, struct gl_texture_object *tObj ) -{ - mgaContextPtr mmesa = MGA_CONTEXT( ctx ); - driTextureObject * t = (driTextureObject *) tObj->DriverData; - - if ( t ) { - if ( mmesa ) { - FLUSH_BATCH( mmesa ); - } - - driDestroyTextureObject( t ); - } - - /* Free mipmap images and the texture object itself */ - _mesa_delete_texture_object(ctx, tObj); -} - - -/** - * 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 * -mgaNewTextureObject( struct gl_context *ctx, GLuint name, GLenum target ) -{ - struct gl_texture_object *obj; - obj = _mesa_new_texture_object(ctx, name, target); - mgaAllocTexObj( obj ); - return obj; -} - - -void -mgaInitTextureFuncs( struct dd_function_table *functions ) -{ - functions->ChooseTextureFormat = mgaChooseTextureFormat; - functions->TexImage2D = mgaTexImage2D; - functions->TexSubImage2D = mgaTexSubImage2D; - functions->BindTexture = mgaBindTexture; - functions->NewTextureObject = mgaNewTextureObject; - functions->DeleteTexture = mgaDeleteTexture; - functions->IsTextureResident = driIsTextureResident; - functions->TexEnv = mgaTexEnv; - functions->TexParameter = mgaTexParameter; -} |