Roland Scheidegger
1536 lines
45 KiB
C
1536 lines
45 KiB
C
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "main/imports.h"
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#include "main/convolve.h"
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#include "main/enums.h"
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#include "main/image.h"
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#include "main/macros.h"
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#include "main/mipmap.h"
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#include "main/texcompress.h"
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#include "main/texformat.h"
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#include "main/teximage.h"
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#include "main/texobj.h"
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#include "main/texstore.h"
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#include "state_tracker/st_context.h"
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#include "state_tracker/st_cb_fbo.h"
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#include "state_tracker/st_cb_texture.h"
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#include "state_tracker/st_format.h"
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#include "state_tracker/st_texture.h"
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#include "state_tracker/st_gen_mipmap.h"
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#include "pipe/p_context.h"
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#include "pipe/p_defines.h"
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#include "pipe/p_inlines.h"
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#include "util/p_tile.h"
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#define DBG if (0) printf
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static INLINE struct st_texture_image *
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st_texture_image(struct gl_texture_image *img)
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{
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return (struct st_texture_image *) img;
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}
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static enum pipe_texture_target
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gl_target_to_pipe(GLenum target)
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{
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switch (target) {
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case GL_TEXTURE_1D:
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return PIPE_TEXTURE_1D;
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case GL_TEXTURE_2D:
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case GL_TEXTURE_RECTANGLE_NV:
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return PIPE_TEXTURE_2D;
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case GL_TEXTURE_3D:
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return PIPE_TEXTURE_3D;
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case GL_TEXTURE_CUBE_MAP_ARB:
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return PIPE_TEXTURE_CUBE;
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default:
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assert(0);
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return 0;
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}
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}
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/**
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* Return nominal bytes per texel for a compressed format, 0 for non-compressed
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* format.
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*/
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static int
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compressed_num_bytes(GLuint mesaFormat)
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{
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switch(mesaFormat) {
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case MESA_FORMAT_RGB_FXT1:
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case MESA_FORMAT_RGBA_FXT1:
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case MESA_FORMAT_RGB_DXT1:
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case MESA_FORMAT_RGBA_DXT1:
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return 2;
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case MESA_FORMAT_RGBA_DXT3:
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case MESA_FORMAT_RGBA_DXT5:
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return 4;
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default:
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return 0;
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}
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}
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static GLboolean
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st_IsTextureResident(GLcontext * ctx, struct gl_texture_object *texObj)
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{
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#if 0
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struct intel_context *intel = intel_context(ctx);
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struct st_texture_object *stObj = st_texture_object(texObj);
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return
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stObj->pt &&
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stObj->pt->region &&
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intel_is_region_resident(intel, stObj->pt->region);
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#endif
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return 1;
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}
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static struct gl_texture_image *
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st_NewTextureImage(GLcontext * ctx)
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{
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DBG("%s\n", __FUNCTION__);
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(void) ctx;
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return (struct gl_texture_image *) CALLOC_STRUCT(st_texture_image);
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}
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static struct gl_texture_object *
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st_NewTextureObject(GLcontext * ctx, GLuint name, GLenum target)
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{
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struct st_texture_object *obj = CALLOC_STRUCT(st_texture_object);
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DBG("%s\n", __FUNCTION__);
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_mesa_initialize_texture_object(&obj->base, name, target);
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return &obj->base;
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}
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static void
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st_DeleteTextureObject(GLcontext *ctx,
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struct gl_texture_object *texObj)
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{
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struct st_texture_object *stObj = st_texture_object(texObj);
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if (stObj->pt)
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pipe_texture_release(&stObj->pt);
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_mesa_delete_texture_object(ctx, texObj);
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}
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static void
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st_FreeTextureImageData(GLcontext * ctx, struct gl_texture_image *texImage)
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{
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struct st_texture_image *stImage = st_texture_image(texImage);
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DBG("%s\n", __FUNCTION__);
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if (stImage->pt) {
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pipe_texture_release(&stImage->pt);
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}
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if (texImage->Data) {
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free(texImage->Data);
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texImage->Data = NULL;
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}
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}
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/* ================================================================
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* From linux kernel i386 header files, copes with odd sizes better
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* than COPY_DWORDS would:
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* XXX Put this in src/mesa/main/imports.h ???
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*/
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#if defined(i386) || defined(__i386__)
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static INLINE void *
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__memcpy(void *to, const void *from, size_t n)
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{
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int d0, d1, d2;
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__asm__ __volatile__("rep ; movsl\n\t"
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"testb $2,%b4\n\t"
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"je 1f\n\t"
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"movsw\n"
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"1:\ttestb $1,%b4\n\t"
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"je 2f\n\t"
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"movsb\n" "2:":"=&c"(d0), "=&D"(d1), "=&S"(d2)
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:"0"(n / 4), "q"(n), "1"((long) to), "2"((long) from)
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:"memory");
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return (to);
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}
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#else
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#define __memcpy(a,b,c) memcpy(a,b,c)
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#endif
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/* The system memcpy (at least on ubuntu 5.10) has problems copying
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* to agp (writecombined) memory from a source which isn't 64-byte
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* aligned - there is a 4x performance falloff.
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*
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* The x86 __memcpy is immune to this but is slightly slower
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* (10%-ish) than the system memcpy.
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*
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* The sse_memcpy seems to have a slight cliff at 64/32 bytes, but
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* isn't much faster than x86_memcpy for agp copies.
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*
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* TODO: switch dynamically.
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*/
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static void *
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do_memcpy(void *dest, const void *src, size_t n)
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{
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if ((((unsigned) src) & 63) || (((unsigned) dest) & 63)) {
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return __memcpy(dest, src, n);
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}
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else
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return memcpy(dest, src, n);
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}
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/* Functions to store texture images. Where possible, textures
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* will be created or further instantiated with image data, otherwise
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* images will be stored in malloc'd memory. A validation step is
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* required to pull those images into a texture, or otherwise
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* decide a fallback is required.
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*/
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static int
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logbase2(int n)
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{
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GLint i = 1;
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GLint log2 = 0;
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while (n > i) {
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i *= 2;
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log2++;
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}
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return log2;
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}
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/**
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* Allocate a pipe_texture object for the given st_texture_object using
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* the given st_texture_image to guess the mipmap size/levels.
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*
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* [comments...]
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* Otherwise, store it in memory if (Border != 0) or (any dimension ==
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* 1).
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*
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* Otherwise, if max_level >= level >= min_level, create texture with
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* space for images from min_level down to max_level.
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*
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* Otherwise, create texture with space for images from (level 0)..(1x1).
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* Consider pruning this texture at a validation if the saving is worth it.
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*/
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static void
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guess_and_alloc_texture(struct st_context *st,
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struct st_texture_object *stObj,
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const struct st_texture_image *stImage)
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{
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GLuint firstLevel;
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GLuint lastLevel;
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GLuint width = stImage->base.Width2; /* size w/out border */
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GLuint height = stImage->base.Height2;
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GLuint depth = stImage->base.Depth2;
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GLuint i, comp_byte = 0;
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DBG("%s\n", __FUNCTION__);
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assert(!stObj->pt);
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if (stObj->pt &&
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stImage->level > stObj->base.BaseLevel &&
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(stImage->base.Width == 1 ||
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(stObj->base.Target != GL_TEXTURE_1D &&
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stImage->base.Height == 1) ||
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(stObj->base.Target == GL_TEXTURE_3D &&
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stImage->base.Depth == 1)))
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return;
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/* If this image disrespects BaseLevel, allocate from level zero.
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* Usually BaseLevel == 0, so it's unlikely to happen.
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*/
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if (stImage->level < stObj->base.BaseLevel)
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firstLevel = 0;
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else
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firstLevel = stObj->base.BaseLevel;
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/* Figure out image dimensions at start level.
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*/
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for (i = stImage->level; i > firstLevel; i--) {
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if (width != 1)
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width <<= 1;
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if (height != 1)
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height <<= 1;
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if (depth != 1)
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depth <<= 1;
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}
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/* Guess a reasonable value for lastLevel. This is probably going
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* to be wrong fairly often and might mean that we have to look at
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* resizable buffers, or require that buffers implement lazy
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* pagetable arrangements.
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*/
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if ((stObj->base.MinFilter == GL_NEAREST ||
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stObj->base.MinFilter == GL_LINEAR) &&
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stImage->level == firstLevel) {
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lastLevel = firstLevel;
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}
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else {
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GLuint l2width = logbase2(width);
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GLuint l2height = logbase2(height);
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GLuint l2depth = logbase2(depth);
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lastLevel = firstLevel + MAX2(MAX2(l2width, l2height), l2depth);
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}
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if (stImage->base.IsCompressed)
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comp_byte = compressed_num_bytes(stImage->base.TexFormat->MesaFormat);
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stObj->pt = st_texture_create(st,
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gl_target_to_pipe(stObj->base.Target),
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st_mesa_format_to_pipe_format(stImage->base.TexFormat->MesaFormat),
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lastLevel,
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width,
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height,
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depth,
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comp_byte);
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DBG("%s - success\n", __FUNCTION__);
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}
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/* There are actually quite a few combinations this will work for,
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* more than what I've listed here.
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*/
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static GLboolean
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check_pbo_format(GLint internalFormat,
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GLenum format, GLenum type,
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const struct gl_texture_format *mesa_format)
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{
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switch (internalFormat) {
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case 4:
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case GL_RGBA:
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return (format == GL_BGRA &&
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(type == GL_UNSIGNED_BYTE ||
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type == GL_UNSIGNED_INT_8_8_8_8_REV) &&
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mesa_format == &_mesa_texformat_argb8888);
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case 3:
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case GL_RGB:
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return (format == GL_RGB &&
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type == GL_UNSIGNED_SHORT_5_6_5 &&
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mesa_format == &_mesa_texformat_rgb565);
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case GL_YCBCR_MESA:
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return (type == GL_UNSIGNED_SHORT_8_8_MESA || type == GL_UNSIGNED_BYTE);
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default:
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return GL_FALSE;
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}
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}
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/* XXX: Do this for TexSubImage also:
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*/
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static GLboolean
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try_pbo_upload(GLcontext *ctx,
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struct st_texture_image *stImage,
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const struct gl_pixelstore_attrib *unpack,
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GLint internalFormat,
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GLint width, GLint height,
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GLenum format, GLenum type, const void *pixels)
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{
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return GL_FALSE; /* XXX fix flushing/locking/blitting below */
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#if 000
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struct intel_context *intel = intel_context(ctx);
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struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj);
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GLuint src_offset, src_stride;
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GLuint dst_offset, dst_stride;
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if (!pbo ||
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ctx._ImageTransferState ||
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unpack->SkipPixels || unpack->SkipRows) {
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_mesa_printf("%s: failure 1\n", __FUNCTION__);
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return GL_FALSE;
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}
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src_offset = (GLuint) pixels;
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if (unpack->RowLength > 0)
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src_stride = unpack->RowLength;
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else
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src_stride = width;
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dst_offset = st_texture_image_offset(stImage->pt,
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stImage->face,
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stImage->level);
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dst_stride = stImage->pt->pitch;
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{
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struct _DriBufferObject *src_buffer =
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intel_bufferobj_buffer(intel, pbo, INTEL_READ);
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/* Temporary hack: cast to _DriBufferObject:
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*/
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struct _DriBufferObject *dst_buffer =
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(struct _DriBufferObject *)stImage->pt->region->buffer;
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intelEmitCopyBlit(intel,
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stImage->pt->cpp,
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src_stride, src_buffer, src_offset,
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dst_stride, dst_buffer, dst_offset,
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0, 0, 0, 0, width, height,
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GL_COPY);
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}
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return GL_TRUE;
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#endif
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}
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/**
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* Adjust pixel unpack params and image dimensions to strip off the
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* texture border.
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* Gallium doesn't support texture borders. They've seldem been used
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* and seldom been implemented correctly anyway.
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* \param unpackNew returns the new pixel unpack parameters
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*/
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static void
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strip_texture_border(GLint border,
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GLint *width, GLint *height, GLint *depth,
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const struct gl_pixelstore_attrib *unpack,
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struct gl_pixelstore_attrib *unpackNew)
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{
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assert(border > 0); /* sanity check */
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*unpackNew = *unpack;
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if (unpackNew->RowLength == 0)
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unpackNew->RowLength = *width;
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if (depth && unpackNew->ImageHeight == 0)
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unpackNew->ImageHeight = *height;
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unpackNew->SkipPixels += border;
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if (height)
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unpackNew->SkipRows += border;
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if (depth)
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unpackNew->SkipImages += border;
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assert(*width >= 3);
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*width = *width - 2 * border;
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if (height && *height >= 3)
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*height = *height - 2 * border;
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if (depth && *depth >= 3)
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*depth = *depth - 2 * border;
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}
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|
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static void
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st_TexImage(GLcontext * ctx,
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GLint dims,
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GLenum target, GLint level,
|
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GLint internalFormat,
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GLint width, GLint height, GLint depth,
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GLint border,
|
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GLenum format, GLenum type, const void *pixels,
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const struct gl_pixelstore_attrib *unpack,
|
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struct gl_texture_object *texObj,
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struct gl_texture_image *texImage,
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GLsizei imageSize, int compressed)
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{
|
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struct pipe_context *pipe = ctx->st->pipe;
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struct st_texture_object *stObj = st_texture_object(texObj);
|
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struct st_texture_image *stImage = st_texture_image(texImage);
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GLint postConvWidth, postConvHeight;
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GLint texelBytes, sizeInBytes;
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GLuint dstRowStride;
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struct gl_pixelstore_attrib unpackNB;
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DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__,
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_mesa_lookup_enum_by_nr(target), level, width, height, depth, border);
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/* gallium does not support texture borders, strip it off */
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if (border) {
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strip_texture_border(border, &width, &height, &depth,
|
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unpack, &unpackNB);
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unpack = &unpackNB;
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border = 0;
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}
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postConvWidth = width;
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postConvHeight = height;
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stImage->face = _mesa_tex_target_to_face(target);
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stImage->level = level;
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|
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if (ctx->_ImageTransferState & IMAGE_CONVOLUTION_BIT) {
|
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_mesa_adjust_image_for_convolution(ctx, dims, &postConvWidth,
|
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&postConvHeight);
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}
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/* choose the texture format */
|
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texImage->TexFormat = st_ChooseTextureFormat(ctx, internalFormat,
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format, type);
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|
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_mesa_set_fetch_functions(texImage, dims);
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|
|
|
if (texImage->TexFormat->TexelBytes == 0) {
|
|
/* must be a compressed format */
|
|
texelBytes = 0;
|
|
texImage->IsCompressed = GL_TRUE;
|
|
texImage->CompressedSize =
|
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ctx->Driver.CompressedTextureSize(ctx, texImage->Width,
|
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texImage->Height, texImage->Depth,
|
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texImage->TexFormat->MesaFormat);
|
|
}
|
|
else {
|
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texelBytes = texImage->TexFormat->TexelBytes;
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|
|
|
/* Minimum pitch of 32 bytes */
|
|
if (postConvWidth * texelBytes < 32) {
|
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postConvWidth = 32 / texelBytes;
|
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texImage->RowStride = postConvWidth;
|
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}
|
|
|
|
/* we'll set RowStride elsewhere when the texture is a "mapped" state */
|
|
/*assert(texImage->RowStride == postConvWidth);*/
|
|
}
|
|
|
|
/* Release the reference to a potentially orphaned buffer.
|
|
* Release any old malloced memory.
|
|
*/
|
|
if (stImage->pt) {
|
|
pipe_texture_release(&stImage->pt);
|
|
assert(!texImage->Data);
|
|
}
|
|
else if (texImage->Data) {
|
|
_mesa_align_free(texImage->Data);
|
|
}
|
|
|
|
/* If this is the only mipmap level in the texture, could call
|
|
* bmBufferData with NULL data to free the old block and avoid
|
|
* waiting on any outstanding fences.
|
|
*/
|
|
if (stObj->pt &&
|
|
/*stObj->pt->first_level == level &&*/
|
|
stObj->pt->last_level == level &&
|
|
stObj->pt->target != PIPE_TEXTURE_CUBE &&
|
|
!st_texture_match_image(stObj->pt, &stImage->base,
|
|
stImage->face, stImage->level)) {
|
|
|
|
DBG("release it\n");
|
|
pipe_texture_release(&stObj->pt);
|
|
assert(!stObj->pt);
|
|
}
|
|
|
|
if (!stObj->pt) {
|
|
guess_and_alloc_texture(ctx->st, stObj, stImage);
|
|
if (!stObj->pt) {
|
|
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
|
|
return;
|
|
}
|
|
}
|
|
|
|
assert(!stImage->pt);
|
|
|
|
if (stObj->pt &&
|
|
st_texture_match_image(stObj->pt, &stImage->base,
|
|
stImage->face, stImage->level)) {
|
|
|
|
pipe_texture_reference(&stImage->pt, stObj->pt);
|
|
assert(stImage->pt);
|
|
}
|
|
|
|
if (!stImage->pt)
|
|
DBG("XXX: Image did not fit into texture - storing in local memory!\n");
|
|
|
|
#if 0 /* XXX FIX when st_buffer_objects are in place */
|
|
/* PBO fastpaths:
|
|
*/
|
|
if (dims <= 2 &&
|
|
stImage->pt &&
|
|
intel_buffer_object(unpack->BufferObj) &&
|
|
check_pbo_format(internalFormat, format,
|
|
type, texImage->TexFormat)) {
|
|
|
|
DBG("trying pbo upload\n");
|
|
|
|
|
|
|
|
/* Otherwise, attempt to use the blitter for PBO image uploads.
|
|
*/
|
|
if (try_pbo_upload(intel, stImage, unpack,
|
|
internalFormat,
|
|
width, height, format, type, pixels)) {
|
|
DBG("pbo upload succeeded\n");
|
|
return;
|
|
}
|
|
|
|
DBG("pbo upload failed\n");
|
|
}
|
|
#else
|
|
(void) try_pbo_upload;
|
|
(void) check_pbo_format;
|
|
#endif
|
|
|
|
|
|
/* st_CopyTexImage calls this function with pixels == NULL, with
|
|
* the expectation that the texture will be set up but nothing
|
|
* more will be done. This is where those calls return:
|
|
*/
|
|
if (compressed) {
|
|
pixels = _mesa_validate_pbo_compressed_teximage(ctx, imageSize, pixels,
|
|
unpack,
|
|
"glCompressedTexImage");
|
|
} else {
|
|
pixels = _mesa_validate_pbo_teximage(ctx, dims, width, height, 1,
|
|
format, type,
|
|
pixels, unpack, "glTexImage");
|
|
}
|
|
if (!pixels)
|
|
return;
|
|
|
|
if (stImage->pt) {
|
|
texImage->Data = st_texture_image_map(ctx->st, stImage, 0);
|
|
dstRowStride = stImage->surface->pitch * stImage->surface->cpp;
|
|
}
|
|
else {
|
|
/* Allocate regular memory and store the image there temporarily. */
|
|
if (texImage->IsCompressed) {
|
|
sizeInBytes = texImage->CompressedSize;
|
|
dstRowStride =
|
|
_mesa_compressed_row_stride(texImage->TexFormat->MesaFormat, width);
|
|
assert(dims != 3);
|
|
}
|
|
else {
|
|
dstRowStride = postConvWidth * texelBytes;
|
|
sizeInBytes = depth * dstRowStride * postConvHeight;
|
|
}
|
|
|
|
texImage->Data = malloc(sizeInBytes);
|
|
}
|
|
|
|
DBG("Upload image %dx%dx%d row_len %x pitch %x\n",
|
|
width, height, depth, width * texelBytes, dstRowStride);
|
|
|
|
/* Copy data. Would like to know when it's ok for us to eg. use
|
|
* the blitter to copy. Or, use the hardware to do the format
|
|
* conversion and copy:
|
|
*/
|
|
if (compressed) {
|
|
memcpy(texImage->Data, pixels, imageSize);
|
|
}
|
|
else {
|
|
GLuint srcImageStride = _mesa_image_image_stride(unpack, width, height,
|
|
format, type);
|
|
int i;
|
|
const GLubyte *src = (const GLubyte *) pixels;
|
|
|
|
for (i = 0; i++ < depth;) {
|
|
if (!texImage->TexFormat->StoreImage(ctx, dims,
|
|
texImage->_BaseFormat,
|
|
texImage->TexFormat,
|
|
texImage->Data,
|
|
0, 0, 0, /* dstX/Y/Zoffset */
|
|
dstRowStride,
|
|
texImage->ImageOffsets,
|
|
width, height, 1,
|
|
format, type, src, unpack)) {
|
|
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
|
|
}
|
|
|
|
if (stImage->pt && i < depth) {
|
|
st_texture_image_unmap(stImage);
|
|
texImage->Data = st_texture_image_map(ctx->st, stImage, i);
|
|
src += srcImageStride;
|
|
}
|
|
}
|
|
}
|
|
|
|
_mesa_unmap_teximage_pbo(ctx, unpack);
|
|
|
|
if (stImage->pt) {
|
|
st_texture_image_unmap(stImage);
|
|
texImage->Data = NULL;
|
|
}
|
|
|
|
if (stObj->pt)
|
|
pipe->texture_update(pipe, stObj->pt, stImage->face, (1 << level));
|
|
|
|
if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
|
|
ctx->Driver.GenerateMipmap(ctx, target, texObj);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
st_TexImage3D(GLcontext * ctx,
|
|
GLenum target, GLint level,
|
|
GLint internalFormat,
|
|
GLint width, GLint height, GLint depth,
|
|
GLint border,
|
|
GLenum format, GLenum type, const void *pixels,
|
|
const struct gl_pixelstore_attrib *unpack,
|
|
struct gl_texture_object *texObj,
|
|
struct gl_texture_image *texImage)
|
|
{
|
|
st_TexImage(ctx, 3, target, level,
|
|
internalFormat, width, height, depth, border,
|
|
format, type, pixels, unpack, texObj, texImage, 0, 0);
|
|
}
|
|
|
|
|
|
static void
|
|
st_TexImage2D(GLcontext * ctx,
|
|
GLenum target, GLint level,
|
|
GLint internalFormat,
|
|
GLint width, GLint height, GLint border,
|
|
GLenum format, GLenum type, const void *pixels,
|
|
const struct gl_pixelstore_attrib *unpack,
|
|
struct gl_texture_object *texObj,
|
|
struct gl_texture_image *texImage)
|
|
{
|
|
st_TexImage(ctx, 2, target, level,
|
|
internalFormat, width, height, 1, border,
|
|
format, type, pixels, unpack, texObj, texImage, 0, 0);
|
|
}
|
|
|
|
|
|
static void
|
|
st_TexImage1D(GLcontext * ctx,
|
|
GLenum target, GLint level,
|
|
GLint internalFormat,
|
|
GLint width, GLint border,
|
|
GLenum format, GLenum type, const void *pixels,
|
|
const struct gl_pixelstore_attrib *unpack,
|
|
struct gl_texture_object *texObj,
|
|
struct gl_texture_image *texImage)
|
|
{
|
|
st_TexImage(ctx, 1, target, level,
|
|
internalFormat, width, 1, 1, border,
|
|
format, type, pixels, unpack, texObj, texImage, 0, 0);
|
|
}
|
|
|
|
|
|
static void
|
|
st_CompressedTexImage2D( GLcontext *ctx, GLenum target, GLint level,
|
|
GLint internalFormat,
|
|
GLint width, GLint height, GLint border,
|
|
GLsizei imageSize, const GLvoid *data,
|
|
struct gl_texture_object *texObj,
|
|
struct gl_texture_image *texImage )
|
|
{
|
|
st_TexImage(ctx, 2, target, level,
|
|
internalFormat, width, height, 1, border,
|
|
0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, 1);
|
|
}
|
|
|
|
|
|
/**
|
|
* Need to map texture image into memory before copying image data,
|
|
* then unmap it.
|
|
*/
|
|
static void
|
|
st_get_tex_image(GLcontext * ctx, GLenum target, GLint level,
|
|
GLenum format, GLenum type, GLvoid * pixels,
|
|
struct gl_texture_object *texObj,
|
|
struct gl_texture_image *texImage, int compressed)
|
|
{
|
|
struct st_texture_image *stImage = st_texture_image(texImage);
|
|
GLuint dstImageStride = _mesa_image_image_stride(&ctx->Pack, texImage->Width,
|
|
texImage->Height, format,
|
|
type);
|
|
GLuint depth;
|
|
int i;
|
|
GLubyte *dest;
|
|
|
|
/* Map */
|
|
if (stImage->pt) {
|
|
/* Image is stored in hardware format in a buffer managed by the
|
|
* kernel. Need to explicitly map and unmap it.
|
|
*/
|
|
texImage->Data = st_texture_image_map(ctx->st, stImage, 0);
|
|
texImage->RowStride = stImage->surface->pitch;
|
|
}
|
|
else {
|
|
/* Otherwise, the image should actually be stored in
|
|
* texImage->Data. This is pretty confusing for
|
|
* everybody, I'd much prefer to separate the two functions of
|
|
* texImage->Data - storage for texture images in main memory
|
|
* and access (ie mappings) of images. In other words, we'd
|
|
* create a new texImage->Map field and leave Data simply for
|
|
* storage.
|
|
*/
|
|
assert(texImage->Data);
|
|
}
|
|
|
|
depth = texImage->Depth;
|
|
texImage->Depth = 1;
|
|
|
|
dest = (GLubyte *) pixels;
|
|
|
|
for (i = 0; i++ < depth;) {
|
|
if (compressed) {
|
|
_mesa_get_compressed_teximage(ctx, target, level, dest,
|
|
texObj, texImage);
|
|
} else {
|
|
_mesa_get_teximage(ctx, target, level, format, type, dest,
|
|
texObj, texImage);
|
|
}
|
|
|
|
if (stImage->pt && i < depth) {
|
|
st_texture_image_unmap(stImage);
|
|
texImage->Data = st_texture_image_map(ctx->st, stImage, i);
|
|
dest += dstImageStride;
|
|
}
|
|
}
|
|
|
|
texImage->Depth = depth;
|
|
|
|
/* Unmap */
|
|
if (stImage->pt) {
|
|
st_texture_image_unmap(stImage);
|
|
texImage->Data = NULL;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
st_GetTexImage(GLcontext * ctx, GLenum target, GLint level,
|
|
GLenum format, GLenum type, GLvoid * pixels,
|
|
struct gl_texture_object *texObj,
|
|
struct gl_texture_image *texImage)
|
|
{
|
|
st_get_tex_image(ctx, target, level, format, type, pixels,
|
|
texObj, texImage, 0);
|
|
}
|
|
|
|
|
|
static void
|
|
st_GetCompressedTexImage(GLcontext *ctx, GLenum target, GLint level,
|
|
GLvoid *pixels,
|
|
const struct gl_texture_object *texObj,
|
|
const struct gl_texture_image *texImage)
|
|
{
|
|
st_get_tex_image(ctx, target, level, 0, 0, pixels,
|
|
(struct gl_texture_object *) texObj,
|
|
(struct gl_texture_image *) texImage, 1);
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
st_TexSubimage(GLcontext * ctx,
|
|
GLint dims,
|
|
GLenum target, GLint level,
|
|
GLint xoffset, GLint yoffset, GLint zoffset,
|
|
GLint width, GLint height, GLint depth,
|
|
GLenum format, GLenum type, const void *pixels,
|
|
const struct gl_pixelstore_attrib *packing,
|
|
struct gl_texture_object *texObj,
|
|
struct gl_texture_image *texImage)
|
|
{
|
|
struct pipe_context *pipe = ctx->st->pipe;
|
|
struct st_texture_object *stObj = st_texture_object(texObj);
|
|
struct st_texture_image *stImage = st_texture_image(texImage);
|
|
GLuint dstRowStride;
|
|
GLuint srcImageStride = _mesa_image_image_stride(packing, width, height,
|
|
format, type);
|
|
int i;
|
|
const GLubyte *src;
|
|
|
|
DBG("%s target %s level %d offset %d,%d %dx%d\n", __FUNCTION__,
|
|
_mesa_lookup_enum_by_nr(target),
|
|
level, xoffset, yoffset, width, height);
|
|
|
|
pixels =
|
|
_mesa_validate_pbo_teximage(ctx, dims, width, height, depth, format,
|
|
type, pixels, packing, "glTexSubImage2D");
|
|
if (!pixels)
|
|
return;
|
|
|
|
/* Map buffer if necessary. Need to lock to prevent other contexts
|
|
* from uploading the buffer under us.
|
|
*/
|
|
if (stImage->pt) {
|
|
texImage->Data = st_texture_image_map(ctx->st, stImage, zoffset);
|
|
dstRowStride = stImage->surface->pitch * stImage->surface->cpp;
|
|
}
|
|
|
|
src = (const GLubyte *) pixels;
|
|
|
|
for (i = 0; i++ < depth;) {
|
|
if (!texImage->TexFormat->StoreImage(ctx, dims, texImage->_BaseFormat,
|
|
texImage->TexFormat,
|
|
texImage->Data,
|
|
xoffset, yoffset, 0,
|
|
dstRowStride,
|
|
texImage->ImageOffsets,
|
|
width, height, 1,
|
|
format, type, src, packing)) {
|
|
_mesa_error(ctx, GL_OUT_OF_MEMORY, "st_TexSubImage");
|
|
}
|
|
|
|
if (stImage->pt && i < depth) {
|
|
st_texture_image_unmap(stImage);
|
|
texImage->Data = st_texture_image_map(ctx->st, stImage, zoffset + i);
|
|
src += srcImageStride;
|
|
}
|
|
}
|
|
|
|
if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
|
|
ctx->Driver.GenerateMipmap(ctx, target, texObj);
|
|
}
|
|
|
|
_mesa_unmap_teximage_pbo(ctx, packing);
|
|
|
|
if (stImage->pt) {
|
|
st_texture_image_unmap(stImage);
|
|
texImage->Data = NULL;
|
|
}
|
|
|
|
pipe->texture_update(pipe, stObj->pt, stImage->face, (1 << level));
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
st_TexSubImage3D(GLcontext * ctx,
|
|
GLenum target,
|
|
GLint level,
|
|
GLint xoffset, GLint yoffset, GLint zoffset,
|
|
GLsizei width, GLsizei height, GLsizei depth,
|
|
GLenum format, GLenum type,
|
|
const GLvoid * pixels,
|
|
const struct gl_pixelstore_attrib *packing,
|
|
struct gl_texture_object *texObj,
|
|
struct gl_texture_image *texImage)
|
|
{
|
|
st_TexSubimage(ctx, 3, target, level,
|
|
xoffset, yoffset, zoffset,
|
|
width, height, depth,
|
|
format, type, pixels, packing, texObj, texImage);
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
st_TexSubImage2D(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)
|
|
{
|
|
st_TexSubimage(ctx, 2, target, level,
|
|
xoffset, yoffset, 0,
|
|
width, height, 1,
|
|
format, type, pixels, packing, texObj, texImage);
|
|
}
|
|
|
|
|
|
static void
|
|
st_TexSubImage1D(GLcontext * ctx,
|
|
GLenum target,
|
|
GLint level,
|
|
GLint xoffset,
|
|
GLsizei width,
|
|
GLenum format, GLenum type,
|
|
const GLvoid * pixels,
|
|
const struct gl_pixelstore_attrib *packing,
|
|
struct gl_texture_object *texObj,
|
|
struct gl_texture_image *texImage)
|
|
{
|
|
st_TexSubimage(ctx, 1, target, level,
|
|
xoffset, 0, 0,
|
|
width, 1, 1,
|
|
format, type, pixels, packing, texObj, texImage);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Return 0 for GL_TEXTURE_CUBE_MAP_POSITIVE_X,
|
|
* 1 for GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
|
|
* etc.
|
|
* XXX duplicated from main/teximage.c
|
|
*/
|
|
static uint
|
|
texture_face(GLenum target)
|
|
{
|
|
if (target >= GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB &&
|
|
target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB)
|
|
return (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* Do a CopyTexSubImage operation by mapping the source surface and
|
|
* dest surface and using get_tile()/put_tile() to access the pixels/texels.
|
|
*
|
|
* Note: srcY=0=TOP of renderbuffer
|
|
*/
|
|
static void
|
|
fallback_copy_texsubimage(GLcontext *ctx,
|
|
GLenum target,
|
|
GLint level,
|
|
struct st_renderbuffer *strb,
|
|
struct st_texture_image *stImage,
|
|
GLenum baseFormat,
|
|
GLint destX, GLint destY, GLint destZ,
|
|
GLint srcX, GLint srcY,
|
|
GLsizei width, GLsizei height)
|
|
{
|
|
struct pipe_context *pipe = ctx->st->pipe;
|
|
struct pipe_screen *screen = pipe->screen;
|
|
const uint face = texture_face(target);
|
|
struct pipe_texture *pt = stImage->pt;
|
|
struct pipe_surface *src_surf, *dest_surf;
|
|
GLfloat *data;
|
|
GLint row, yStep;
|
|
|
|
/* determine bottom-to-top vs. top-to-bottom order */
|
|
if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
|
|
destY = height - 1 - destY;
|
|
yStep = -1;
|
|
}
|
|
else {
|
|
yStep = 1;
|
|
}
|
|
|
|
src_surf = strb->surface;
|
|
|
|
dest_surf = screen->get_tex_surface(screen, pt, face, level, destZ);
|
|
|
|
/* buffer for one row */
|
|
data = (GLfloat *) malloc(width * 4 * sizeof(GLfloat));
|
|
|
|
/* do copy row by row */
|
|
for (row = 0; row < height; row++) {
|
|
pipe_get_tile_rgba(pipe, src_surf, srcX, srcY + row, width, 1, data);
|
|
|
|
/* XXX we're ignoring convolution for now */
|
|
if (ctx->_ImageTransferState) {
|
|
_mesa_apply_rgba_transfer_ops(ctx,
|
|
ctx->_ImageTransferState & ~IMAGE_CONVOLUTION_BIT,
|
|
width, (GLfloat (*)[4])data);
|
|
}
|
|
|
|
pipe_put_tile_rgba(pipe, dest_surf, destX, destY, width, 1, data);
|
|
destY += yStep;
|
|
}
|
|
|
|
free(data);
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Do a CopyTex[Sub]Image using an optimized hardware (blit) path.
|
|
* Note that the region to copy has already been clip tested.
|
|
*
|
|
* Note: srcY=0=Bottom of renderbuffer
|
|
*
|
|
* \return GL_TRUE if success, GL_FALSE if failure (use a fallback)
|
|
*/
|
|
static void
|
|
do_copy_texsubimage(GLcontext *ctx,
|
|
GLenum target, GLint level,
|
|
GLint destX, GLint destY, GLint destZ,
|
|
GLint srcX, GLint srcY,
|
|
GLsizei width, GLsizei height)
|
|
{
|
|
struct gl_texture_unit *texUnit =
|
|
&ctx->Texture.Unit[ctx->Texture.CurrentUnit];
|
|
struct gl_texture_object *texObj =
|
|
_mesa_select_tex_object(ctx, texUnit, target);
|
|
struct gl_texture_image *texImage =
|
|
_mesa_select_tex_image(ctx, texObj, target, level);
|
|
struct st_texture_image *stImage = st_texture_image(texImage);
|
|
struct st_texture_object *stObj = st_texture_object(texObj);
|
|
GLenum baseFormat = texImage->InternalFormat;
|
|
struct gl_framebuffer *fb = ctx->ReadBuffer;
|
|
struct st_renderbuffer *strb;
|
|
struct pipe_context *pipe = ctx->st->pipe;
|
|
struct pipe_screen *screen = pipe->screen;
|
|
struct pipe_surface *dest_surface;
|
|
uint dest_format, src_format;
|
|
uint do_flip = FALSE;
|
|
|
|
(void) texImage;
|
|
|
|
/* determine if copying depth or color data */
|
|
if (baseFormat == GL_DEPTH_COMPONENT) {
|
|
strb = st_renderbuffer(fb->_DepthBuffer);
|
|
}
|
|
else if (baseFormat == GL_DEPTH_STENCIL_EXT) {
|
|
strb = st_renderbuffer(fb->_StencilBuffer);
|
|
}
|
|
else {
|
|
/* baseFormat == GL_RGB, GL_RGBA, GL_ALPHA, etc */
|
|
strb = st_renderbuffer(fb->_ColorReadBuffer);
|
|
}
|
|
|
|
assert(strb);
|
|
assert(strb->surface);
|
|
assert(stImage->pt);
|
|
|
|
if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
|
|
srcY = strb->Base.Height - srcY - height;
|
|
do_flip = TRUE;
|
|
}
|
|
|
|
src_format = strb->surface->format;
|
|
dest_format = stImage->pt->format;
|
|
|
|
dest_surface = screen->get_tex_surface(screen, stImage->pt, stImage->face,
|
|
stImage->level, destZ);
|
|
|
|
if (src_format == dest_format &&
|
|
ctx->_ImageTransferState == 0x0 &&
|
|
strb->surface->buffer &&
|
|
dest_surface->buffer &&
|
|
strb->surface->cpp == stImage->pt->cpp) {
|
|
/* do blit-style copy */
|
|
|
|
/* XXX may need to invert image depending on window
|
|
* vs. user-created FBO
|
|
*/
|
|
|
|
#if 0
|
|
/* A bit of fiddling to get the blitter to work with -ve
|
|
* pitches. But we get a nice inverted blit this way, so it's
|
|
* worth it:
|
|
*/
|
|
intelEmitCopyBlit(intel,
|
|
stImage->pt->cpp,
|
|
-src->pitch,
|
|
src->buffer,
|
|
src->height * src->pitch * src->cpp,
|
|
stImage->pt->pitch,
|
|
stImage->pt->region->buffer,
|
|
dest_offset,
|
|
x, y + height, dstx, dsty, width, height,
|
|
GL_COPY); /* ? */
|
|
#else
|
|
|
|
pipe->surface_copy(pipe,
|
|
do_flip,
|
|
/* dest */
|
|
dest_surface,
|
|
destX, destY,
|
|
/* src */
|
|
strb->surface,
|
|
srcX, srcY,
|
|
/* size */
|
|
width, height);
|
|
#endif
|
|
}
|
|
else {
|
|
fallback_copy_texsubimage(ctx, target, level,
|
|
strb, stImage, baseFormat,
|
|
destX, destY, destZ,
|
|
srcX, srcY, width, height);
|
|
}
|
|
|
|
pipe_surface_reference(&dest_surface, NULL);
|
|
|
|
pipe->texture_update(pipe, stObj->pt, stImage->face, (1 << level));
|
|
|
|
if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
|
|
ctx->Driver.GenerateMipmap(ctx, target, texObj);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
st_CopyTexImage1D(GLcontext * ctx, GLenum target, GLint level,
|
|
GLenum internalFormat,
|
|
GLint x, GLint y, GLsizei width, GLint border)
|
|
{
|
|
struct gl_texture_unit *texUnit =
|
|
&ctx->Texture.Unit[ctx->Texture.CurrentUnit];
|
|
struct gl_texture_object *texObj =
|
|
_mesa_select_tex_object(ctx, texUnit, target);
|
|
struct gl_texture_image *texImage =
|
|
_mesa_select_tex_image(ctx, texObj, target, level);
|
|
|
|
#if 0
|
|
if (border)
|
|
goto fail;
|
|
#endif
|
|
|
|
/* Setup or redefine the texture object, texture and texture
|
|
* image. Don't populate yet.
|
|
*/
|
|
ctx->Driver.TexImage1D(ctx, target, level, internalFormat,
|
|
width, border,
|
|
GL_RGBA, CHAN_TYPE, NULL,
|
|
&ctx->DefaultPacking, texObj, texImage);
|
|
|
|
do_copy_texsubimage(ctx, target, level,
|
|
0, 0, 0,
|
|
x, y, width, 1);
|
|
}
|
|
|
|
|
|
static void
|
|
st_CopyTexImage2D(GLcontext * ctx, GLenum target, GLint level,
|
|
GLenum internalFormat,
|
|
GLint x, GLint y, GLsizei width, GLsizei height,
|
|
GLint border)
|
|
{
|
|
struct gl_texture_unit *texUnit =
|
|
&ctx->Texture.Unit[ctx->Texture.CurrentUnit];
|
|
struct gl_texture_object *texObj =
|
|
_mesa_select_tex_object(ctx, texUnit, target);
|
|
struct gl_texture_image *texImage =
|
|
_mesa_select_tex_image(ctx, texObj, target, level);
|
|
|
|
#if 0
|
|
if (border)
|
|
goto fail;
|
|
#endif
|
|
|
|
/* Setup or redefine the texture object, texture and texture
|
|
* image. Don't populate yet.
|
|
*/
|
|
ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
|
|
width, height, border,
|
|
GL_RGBA, CHAN_TYPE, NULL,
|
|
&ctx->DefaultPacking, texObj, texImage);
|
|
|
|
|
|
do_copy_texsubimage(ctx, target, level,
|
|
0, 0, 0,
|
|
x, y, width, height);
|
|
}
|
|
|
|
|
|
static void
|
|
st_CopyTexSubImage1D(GLcontext * ctx, GLenum target, GLint level,
|
|
GLint xoffset, GLint x, GLint y, GLsizei width)
|
|
{
|
|
const GLint yoffset = 0, zoffset = 0;
|
|
const GLsizei height = 1;
|
|
do_copy_texsubimage(ctx, target, level,
|
|
xoffset, yoffset, zoffset,
|
|
x, y, width, height);
|
|
}
|
|
|
|
|
|
static void
|
|
st_CopyTexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
|
|
GLint xoffset, GLint yoffset,
|
|
GLint x, GLint y, GLsizei width, GLsizei height)
|
|
{
|
|
const GLint zoffset = 0;
|
|
do_copy_texsubimage(ctx, target, level,
|
|
xoffset, yoffset, zoffset,
|
|
x, y, width, height);
|
|
}
|
|
|
|
|
|
static void
|
|
st_CopyTexSubImage3D(GLcontext * ctx, GLenum target, GLint level,
|
|
GLint xoffset, GLint yoffset, GLint zoffset,
|
|
GLint x, GLint y, GLsizei width, GLsizei height)
|
|
{
|
|
do_copy_texsubimage(ctx, target, level,
|
|
xoffset, yoffset, zoffset,
|
|
x, y, width, height);
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Compute which mipmap levels that really need to be sent 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.
|
|
*/
|
|
static void
|
|
calculate_first_last_level(struct st_texture_object *stObj)
|
|
{
|
|
struct gl_texture_object *tObj = &stObj->base;
|
|
const struct gl_texture_image *const baseImage =
|
|
tObj->Image[0][tObj->BaseLevel];
|
|
|
|
/* These must be signed values. MinLod and MaxLod can be negative numbers,
|
|
* and having firstLevel and lastLevel as signed prevents the need for
|
|
* extra sign checks.
|
|
*/
|
|
int firstLevel;
|
|
int lastLevel;
|
|
|
|
/* Yes, this looks overly complicated, but it's all needed.
|
|
*/
|
|
switch (tObj->Target) {
|
|
case GL_TEXTURE_1D:
|
|
case GL_TEXTURE_2D:
|
|
case GL_TEXTURE_3D:
|
|
case GL_TEXTURE_CUBE_MAP:
|
|
if (tObj->MinFilter == GL_NEAREST || tObj->MinFilter == GL_LINEAR) {
|
|
/* GL_NEAREST and GL_LINEAR only care about GL_TEXTURE_BASE_LEVEL.
|
|
*/
|
|
firstLevel = lastLevel = tObj->BaseLevel;
|
|
}
|
|
else {
|
|
firstLevel = 0;
|
|
lastLevel = MIN2(tObj->MaxLevel - tObj->BaseLevel, baseImage->MaxLog2);
|
|
}
|
|
break;
|
|
case GL_TEXTURE_RECTANGLE_NV:
|
|
case GL_TEXTURE_4D_SGIS:
|
|
firstLevel = lastLevel = 0;
|
|
break;
|
|
default:
|
|
return;
|
|
}
|
|
|
|
stObj->lastLevel = lastLevel;
|
|
}
|
|
|
|
|
|
static void
|
|
copy_image_data_to_texture(struct st_context *st,
|
|
struct st_texture_object *stObj,
|
|
GLuint dstLevel,
|
|
struct st_texture_image *stImage)
|
|
{
|
|
if (stImage->pt) {
|
|
/* Copy potentially with the blitter:
|
|
*/
|
|
st_texture_image_copy(st->pipe,
|
|
stObj->pt, dstLevel, /* dest texture, level */
|
|
stImage->pt, /* src texture */
|
|
stImage->face
|
|
);
|
|
|
|
pipe_texture_release(&stImage->pt);
|
|
}
|
|
else {
|
|
assert(stImage->base.Data != NULL);
|
|
|
|
/* More straightforward upload.
|
|
*/
|
|
st_texture_image_data(st->pipe,
|
|
stObj->pt,
|
|
stImage->face,
|
|
stImage->level,
|
|
stImage->base.Data,
|
|
stImage->base.RowStride,
|
|
stImage->base.RowStride *
|
|
stImage->base.Height);
|
|
_mesa_align_free(stImage->base.Data);
|
|
stImage->base.Data = NULL;
|
|
}
|
|
|
|
pipe_texture_reference(&stImage->pt, stObj->pt);
|
|
}
|
|
|
|
|
|
/**
|
|
* Called during state validation. When this function is finished,
|
|
* the texture object should be ready for rendering.
|
|
* \return GL_TRUE for success, GL_FALSE for failure (out of mem)
|
|
*/
|
|
GLboolean
|
|
st_finalize_texture(GLcontext *ctx,
|
|
struct pipe_context *pipe,
|
|
struct gl_texture_object *tObj,
|
|
GLboolean *needFlush)
|
|
{
|
|
struct st_texture_object *stObj = st_texture_object(tObj);
|
|
const GLuint nr_faces = (stObj->base.Target == GL_TEXTURE_CUBE_MAP) ? 6 : 1;
|
|
int comp_byte = 0;
|
|
int cpp;
|
|
GLuint face;
|
|
struct st_texture_image *firstImage;
|
|
|
|
*needFlush = GL_FALSE;
|
|
|
|
/* We know/require this is true by now:
|
|
*/
|
|
assert(stObj->base._Complete);
|
|
|
|
/* What levels must the texture include at a minimum?
|
|
*/
|
|
calculate_first_last_level(stObj);
|
|
firstImage = st_texture_image(stObj->base.Image[0][stObj->base.BaseLevel]);
|
|
|
|
#if 0
|
|
/* Fallback case:
|
|
*/
|
|
if (firstImage->base.Border) {
|
|
if (stObj->pt) {
|
|
pipe_texture_release(&stObj->pt);
|
|
}
|
|
return GL_FALSE;
|
|
}
|
|
#endif
|
|
|
|
/* If both firstImage and stObj point to a texture which can contain
|
|
* all active images, favour firstImage. Note that because of the
|
|
* completeness requirement, we know that the image dimensions
|
|
* will match.
|
|
*/
|
|
if (firstImage->pt &&
|
|
firstImage->pt != stObj->pt &&
|
|
firstImage->pt->last_level >= stObj->lastLevel) {
|
|
|
|
if (stObj->pt)
|
|
pipe_texture_release(&stObj->pt);
|
|
|
|
pipe_texture_reference(&stObj->pt, firstImage->pt);
|
|
}
|
|
|
|
if (firstImage->base.IsCompressed) {
|
|
comp_byte = compressed_num_bytes(firstImage->base.TexFormat->MesaFormat);
|
|
cpp = comp_byte;
|
|
}
|
|
else {
|
|
cpp = firstImage->base.TexFormat->TexelBytes;
|
|
}
|
|
|
|
/* Check texture can hold all active levels. Check texture matches
|
|
* target, imageFormat, etc.
|
|
*/
|
|
if (stObj->pt &&
|
|
(stObj->pt->target != gl_target_to_pipe(stObj->base.Target) ||
|
|
stObj->pt->format !=
|
|
st_mesa_format_to_pipe_format(firstImage->base.TexFormat->MesaFormat) ||
|
|
stObj->pt->last_level != stObj->lastLevel ||
|
|
stObj->pt->width[0] != firstImage->base.Width2 ||
|
|
stObj->pt->height[0] != firstImage->base.Height2 ||
|
|
stObj->pt->depth[0] != firstImage->base.Depth2 ||
|
|
stObj->pt->cpp != cpp ||
|
|
stObj->pt->compressed != firstImage->base.IsCompressed)) {
|
|
pipe_texture_release(&stObj->pt);
|
|
}
|
|
|
|
|
|
/* May need to create a new texture:
|
|
*/
|
|
if (!stObj->pt) {
|
|
stObj->pt = st_texture_create(ctx->st,
|
|
gl_target_to_pipe(stObj->base.Target),
|
|
st_mesa_format_to_pipe_format(firstImage->base.TexFormat->MesaFormat),
|
|
stObj->lastLevel,
|
|
firstImage->base.Width2,
|
|
firstImage->base.Height2,
|
|
firstImage->base.Depth2,
|
|
comp_byte);
|
|
if (!stObj->pt) {
|
|
_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
|
|
return GL_FALSE;
|
|
}
|
|
}
|
|
|
|
/* Pull in any images not in the object's texture:
|
|
*/
|
|
for (face = 0; face < nr_faces; face++) {
|
|
GLuint level;
|
|
for (level = 0; level <= stObj->lastLevel; level++) {
|
|
struct st_texture_image *stImage =
|
|
st_texture_image(stObj->base.Image[face][stObj->base.BaseLevel + level]);
|
|
|
|
/* Need to import images in main memory or held in other textures.
|
|
*/
|
|
if (stImage && stObj->pt != stImage->pt) {
|
|
copy_image_data_to_texture(ctx->st, stObj, level, stImage);
|
|
*needFlush = GL_TRUE;
|
|
pipe->texture_update(pipe, stObj->pt, face, (1 << level));
|
|
}
|
|
}
|
|
}
|
|
|
|
return GL_TRUE;
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
|
st_init_texture_functions(struct dd_function_table *functions)
|
|
{
|
|
functions->ChooseTextureFormat = st_ChooseTextureFormat;
|
|
functions->TexImage1D = st_TexImage1D;
|
|
functions->TexImage2D = st_TexImage2D;
|
|
functions->TexImage3D = st_TexImage3D;
|
|
functions->TexSubImage1D = st_TexSubImage1D;
|
|
functions->TexSubImage2D = st_TexSubImage2D;
|
|
functions->TexSubImage3D = st_TexSubImage3D;
|
|
functions->CopyTexImage1D = st_CopyTexImage1D;
|
|
functions->CopyTexImage2D = st_CopyTexImage2D;
|
|
functions->CopyTexSubImage1D = st_CopyTexSubImage1D;
|
|
functions->CopyTexSubImage2D = st_CopyTexSubImage2D;
|
|
functions->CopyTexSubImage3D = st_CopyTexSubImage3D;
|
|
functions->GenerateMipmap = st_generate_mipmap;
|
|
|
|
functions->GetTexImage = st_GetTexImage;
|
|
|
|
/* compressed texture functions */
|
|
functions->CompressedTexImage2D = st_CompressedTexImage2D;
|
|
functions->GetCompressedTexImage = st_GetCompressedTexImage;
|
|
functions->CompressedTextureSize = _mesa_compressed_texture_size;
|
|
|
|
functions->NewTextureObject = st_NewTextureObject;
|
|
functions->NewTextureImage = st_NewTextureImage;
|
|
functions->DeleteTexture = st_DeleteTextureObject;
|
|
functions->FreeTexImageData = st_FreeTextureImageData;
|
|
functions->UpdateTexturePalette = 0;
|
|
functions->IsTextureResident = st_IsTextureResident;
|
|
|
|
functions->TextureMemCpy = do_memcpy;
|
|
|
|
/* XXX Temporary until we can query pipe's texture sizes */
|
|
functions->TestProxyTexImage = _mesa_test_proxy_teximage;
|
|
}
|