/**************************************************************************
*
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2008 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE 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.
#include "st_cb_texture.h"
-/**
- * one-time init for generate mipmap
- * XXX Note: there may be other times we need no-op/simple state like this.
- * In that case, some code refactoring would be good.
- */
-void
-st_init_generate_mipmap(struct st_context *st)
-{
- st->gen_mipmap = util_create_gen_mipmap(st->pipe, st->cso_context);
-}
-
-
-void
-st_destroy_generate_mipmap(struct st_context *st)
-{
- util_destroy_gen_mipmap(st->gen_mipmap);
- st->gen_mipmap = NULL;
-}
-
-
-/**
- * Generate mipmap levels using hardware rendering.
- * \return TRUE if successful, FALSE if not possible
- */
-static boolean
-st_render_mipmap(struct st_context *st,
- GLenum target,
- struct st_texture_object *stObj,
- uint baseLevel, uint lastLevel)
-{
- struct pipe_context *pipe = st->pipe;
- struct pipe_screen *screen = pipe->screen;
- struct pipe_sampler_view *psv;
- const uint face = _mesa_tex_target_to_face(target);
-
-#if 0
- assert(target != GL_TEXTURE_3D); /* implemented but untested */
-#endif
-
- /* check if we can render in the texture's format */
- /* XXX should probably kill this and always use util_gen_mipmap
- since this implements a sw fallback as well */
- if (!screen->is_format_supported(screen, stObj->pt->format,
- stObj->pt->target,
- 0, PIPE_BIND_RENDER_TARGET)) {
- return FALSE;
- }
-
- psv = st_create_texture_sampler_view(pipe, stObj->pt);
-
- /* Disable conditional rendering. */
- if (st->render_condition) {
- pipe->render_condition(pipe, NULL, 0);
- }
-
- util_gen_mipmap(st->gen_mipmap, psv, face, baseLevel, lastLevel,
- PIPE_TEX_FILTER_LINEAR);
-
- if (st->render_condition) {
- pipe->render_condition(pipe, st->render_condition, st->condition_mode);
- }
-
- pipe_sampler_view_reference(&psv, NULL);
-
- return TRUE;
-}
-
/**
* Compute the expected number of mipmap levels in the texture given
* the width/height/depth of the base image and the GL_TEXTURE_BASE_LEVEL/
struct gl_texture_object *texObj,
GLenum target)
{
- if (target == GL_TEXTURE_RECTANGLE_ARB) {
- return 1;
- }
- else {
- const struct gl_texture_image *baseImage =
- _mesa_get_tex_image(ctx, texObj, target, texObj->BaseLevel);
- GLuint size, numLevels;
-
- size = MAX2(baseImage->Width2, baseImage->Height2);
- size = MAX2(size, baseImage->Depth2);
-
- numLevels = texObj->BaseLevel;
-
- while (size > 0) {
- numLevels++;
- size >>= 1;
- }
+ const struct gl_texture_image *baseImage;
+ GLuint numLevels;
- numLevels = MIN2(numLevels, texObj->MaxLevel + 1);
+ baseImage = _mesa_get_tex_image(ctx, texObj, target, texObj->BaseLevel);
- assert(numLevels >= 1);
+ numLevels = texObj->BaseLevel + baseImage->MaxNumLevels;
+ numLevels = MIN2(numLevels, (GLuint) texObj->MaxLevel + 1);
+ assert(numLevels >= 1);
- return numLevels;
- }
+ return numLevels;
}
struct st_texture_object *stObj = st_texture_object(texObj);
struct pipe_resource *pt = st_get_texobj_resource(texObj);
const uint baseLevel = texObj->BaseLevel;
- uint lastLevel;
+ uint lastLevel, first_layer, last_layer;
uint dstLevel;
if (!pt)
oldTex->height0,
oldTex->depth0,
oldTex->array_size,
+ 0,
oldTex->bind);
/* This will copy the old texture's base image into the new texture
/* release the old tex (will likely be freed too) */
pipe_resource_reference(&oldTex, NULL);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ st_texture_release_all_sampler_views(st, stObj);
}
else {
/* Make sure that the base texture image data is present in the
assert(pt->last_level >= lastLevel);
+ if (pt->target == PIPE_TEXTURE_CUBE) {
+ first_layer = last_layer = _mesa_tex_target_to_face(target);
+ }
+ else {
+ first_layer = 0;
+ last_layer = util_max_layer(pt, baseLevel);
+ }
+
/* Try to generate the mipmap by rendering/texturing. If that fails,
* use the software fallback.
*/
- if (!st_render_mipmap(st, target, stObj, baseLevel, lastLevel)) {
- /* since the util code actually also has a fallback, should
- probably make it never fail and kill this */
+ if (!util_gen_mipmap(st->pipe, pt, pt->format, baseLevel, lastLevel,
+ first_layer, last_layer, PIPE_TEX_FILTER_LINEAR)) {
_mesa_generate_mipmap(ctx, target, texObj);
}
= _mesa_get_tex_image(ctx, texObj, target, srcLevel);
struct gl_texture_image *dstImage;
struct st_texture_image *stImage;
- uint dstWidth = u_minify(pt->width0, dstLevel);
- uint dstHeight = u_minify(pt->height0, dstLevel);
- uint dstDepth = u_minify(pt->depth0, dstLevel);
uint border = srcImage->Border;
+ uint dstWidth, dstHeight, dstDepth;
+
+ dstWidth = u_minify(pt->width0, dstLevel);
+ if (texObj->Target == GL_TEXTURE_1D_ARRAY) {
+ dstHeight = pt->array_size;
+ }
+ else {
+ dstHeight = u_minify(pt->height0, dstLevel);
+ }
+ if (texObj->Target == GL_TEXTURE_2D_ARRAY ||
+ texObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY) {
+ dstDepth = pt->array_size;
+ }
+ else {
+ dstDepth = u_minify(pt->depth0, dstLevel);
+ }
dstImage = _mesa_get_tex_image(ctx, texObj, target, dstLevel);
if (!dstImage) {
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