* Called via ctx->Driver.AllocTextureImageBuffer().
* If the texture object/buffer already has space for the indicated image,
* we're done. Otherwise, allocate memory for the new texture image.
- * XXX This function and st_TexImage() have some duplicated code. That
- * can be cleaned up in the future.
*/
static GLboolean
st_AllocTextureImageBuffer(struct gl_context *ctx,
}
else {
/* Create a new, temporary texture/resource/buffer to hold this
- * one texture image.
+ * one texture image. Note that when we later access this image
+ * (either for mapping or copying) we'll want to always specify
+ * mipmap level=0, even if the image represents some other mipmap
+ * level.
*/
enum pipe_format format =
st_mesa_format_to_pipe_format(texImage->TexFormat);
}
-/**
- * Do glTexImage1/2/3D().
- */
-static void
-st_TexImage(struct gl_context * ctx,
- GLint dims,
- struct gl_texture_image *texImage,
- GLint internalFormat,
- GLint width, GLint height, GLint depth,
- GLint border,
- GLenum format, GLenum type, const void *pixels,
- const struct gl_pixelstore_attrib *unpack,
- GLsizei imageSize, GLboolean compressed_src)
-{
- struct st_context *st = st_context(ctx);
- struct gl_texture_object *texObj = texImage->TexObject;
- struct st_texture_object *stObj = st_texture_object(texObj);
- struct st_texture_image *stImage = st_texture_image(texImage);
- const GLenum target = texObj->Target;
- const GLuint level = texImage->Level;
- GLuint dstRowStride = 0;
- enum pipe_transfer_usage transfer_usage = 0;
- GLubyte *dstMap;
-
- DBG("%s target %s level %d %dx%dx%d border %d\n", __FUNCTION__,
- _mesa_lookup_enum_by_nr(target), level, width, height, depth, border);
-
- prep_teximage(ctx, texImage, internalFormat, width, height, depth, border,
- format, type);
-
- assert(texImage->Width == width);
- assert(texImage->Height == height);
- assert(texImage->Depth == depth);
-
- /* Release the reference to a potentially orphaned buffer.
- * Release any old malloced memory.
- */
- if (stImage->pt) {
- pipe_resource_reference(&stImage->pt, NULL);
- assert(!stImage->TexData);
- }
- else if (stImage->TexData) {
- _mesa_align_free(stImage->TexData);
- }
-
- /*
- * See if the new image is somehow incompatible with the existing
- * mipmap. If so, free the old mipmap.
- */
- if (stObj->pt) {
- if (level > (GLint) stObj->pt->last_level ||
- !st_texture_match_image(stObj->pt, &stImage->base)) {
- DBG("release it\n");
- pipe_resource_reference(&stObj->pt, NULL);
- assert(!stObj->pt);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
- }
- }
-
- if (width == 0 || height == 0 || depth == 0) {
- /* stop after freeing old image */
- return;
- }
-
- if (!stObj->pt) {
- if (!guess_and_alloc_texture(st, stObj, stImage)) {
- /* Probably out of memory.
- * Try flushing any pending rendering, then retry.
- */
- st_finish(st);
- if (!guess_and_alloc_texture(st, stObj, stImage)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- return;
- }
- }
- }
-
- assert(!stImage->pt);
-
- /* Check if this texture image can live inside the texture object's buffer.
- * If so, store the image there. Otherwise the image will temporarily live
- * in its own buffer.
- */
- if (stObj->pt &&
- st_texture_match_image(stObj->pt, &stImage->base)) {
-
- pipe_resource_reference(&stImage->pt, stObj->pt);
- assert(stImage->pt);
- }
-
- if (!stImage->pt)
- DBG("XXX: Image did not fit into texture - storing in local memory!\n");
-
- /* Pixel data may come from regular user memory or a PBO. For the later,
- * do bounds checking and map the PBO to read pixels data from it.
- *
- * XXX we should try to use a GPU-accelerated path to copy the image data
- * from the PBO to the texture.
- */
- if (compressed_src) {
- 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");
- }
-
- /* for a 1D array upload the image as a series of layer with height = 1 */
- if (target == GL_TEXTURE_1D_ARRAY) {
- depth = height;
- height = 1;
- }
-
- /*
- * Prepare to store the texture data. Either map the gallium texture buffer
- * memory or malloc space for it.
- */
- if (stImage->pt) {
- if (!pixels) {
- /* We've allocated texture resource, but have no pixel data - all done. */
- goto done;
- }
-
- /* Store the image in the gallium transfer object */
- if (format == GL_DEPTH_COMPONENT &&
- util_format_is_depth_and_stencil(stImage->pt->format))
- transfer_usage = PIPE_TRANSFER_READ_WRITE;
- else
- transfer_usage = PIPE_TRANSFER_WRITE;
-
- dstMap = st_texture_image_map(st, stImage, 0,
- transfer_usage, 0, 0, width, height);
- if(stImage->transfer)
- dstRowStride = stImage->transfer->stride;
- }
- else {
- /* Allocate regular memory and store the image there temporarily. */
- GLuint imageSize = _mesa_format_image_size(texImage->TexFormat,
- width, height, depth);
- dstRowStride = _mesa_format_row_stride(texImage->TexFormat, width);
-
- stImage->TexData = _mesa_align_malloc(imageSize, 16);
- dstMap = stImage->TexData;
- }
-
- if (!dstMap) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- return;
- }
-
- if (!pixels) {
- /* We've allocated texture memory, but have no pixel data - all done. */
- goto done;
- }
-
- DBG("Upload image %dx%dx%d row_len %x pitch %x\n",
- width, height, depth, width, dstRowStride);
-
- /* Copy user texture image into the mapped texture buffer.
- */
- if (compressed_src) {
- const GLuint srcRowStride =
- _mesa_format_row_stride(texImage->TexFormat, width);
- if (dstRowStride == srcRowStride) {
- memcpy(dstMap, pixels, imageSize);
- }
- else {
- GLubyte *dst = dstMap;
- const char *src = pixels;
- GLuint i, bw, bh, lines;
- _mesa_get_format_block_size(texImage->TexFormat, &bw, &bh);
- lines = (height + bh - 1) / bh;
-
- for (i = 0; i < lines; ++i) {
- memcpy(dst, src, srcRowStride);
- dst += dstRowStride;
- src += srcRowStride;
- }
- }
- }
- else {
- const GLuint srcImageStride =
- _mesa_image_image_stride(unpack, width, height, format, type);
- GLint i;
- const GLubyte *src = (const GLubyte *) pixels;
-
- for (i = 0; i < depth; i++) {
- if (!_mesa_texstore(ctx, dims,
- texImage->_BaseFormat,
- texImage->TexFormat,
- dstRowStride,
- (GLubyte **) &dstMap, /* dstSlice */
- width, height, 1,
- format, type, src, unpack)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage");
- }
-
- if (stImage->pt && i + 1 < depth) {
- /* unmap this slice */
- st_texture_image_unmap(st, stImage);
- /* map next slice of 3D texture */
- dstMap = st_texture_image_map(st, stImage, i + 1,
- transfer_usage, 0, 0,
- width, height);
- src += srcImageStride;
- }
- }
- }
-
-done:
- _mesa_unmap_teximage_pbo(ctx, unpack);
-
- if (stImage->pt && stImage->transfer) {
- st_texture_image_unmap(st, stImage);
- }
-}
-
-
static void
st_TexImage3D(struct gl_context * ctx,
struct gl_texture_image *texImage,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *unpack)
{
- st_TexImage(ctx, 3, texImage, internalFormat, width, height, depth, border,
- format, type, pixels, unpack, 0, GL_FALSE);
+ prep_teximage(ctx, texImage, internalFormat, width, height, depth, border,
+ format, type);
+ _mesa_store_teximage3d(ctx, texImage, internalFormat, width, height, depth,
+ border, format, type, pixels, unpack);
}
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *unpack)
{
- st_TexImage(ctx, 2, texImage, internalFormat, width, height, 1, border,
- format, type, pixels, unpack, 0, GL_FALSE);
+ prep_teximage(ctx, texImage, internalFormat, width, height, 1, border,
+ format, type);
+ _mesa_store_teximage2d(ctx, texImage, internalFormat, width, height,
+ border, format, type, pixels, unpack);
}
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *unpack)
{
- st_TexImage(ctx, 1, texImage, internalFormat, width, 1, 1, border,
- format, type, pixels, unpack, 0, GL_FALSE);
+ prep_teximage(ctx, texImage, internalFormat, width, 1, 1, border,
+ format, type);
+ _mesa_store_teximage1d(ctx, texImage, internalFormat, width,
+ border, format, type, pixels, unpack);
}
GLint width, GLint height, GLint border,
GLsizei imageSize, const GLvoid *data)
{
- st_TexImage(ctx, 2, texImage, internalFormat, width, height, 1, border,
- 0, 0, data, &ctx->Unpack, imageSize, GL_TRUE);
+ prep_teximage(ctx, texImage, internalFormat, width, 1, 1, border,
+ GL_NONE, GL_NONE);
+ _mesa_store_compressed_teximage2d(ctx, texImage, internalFormat, width,
+ height, border, imageSize, data);
}
if (stImage->pt) {
/* Copy potentially with the blitter:
*/
+ GLuint src_level;
+ if (stImage->pt != stObj->pt)
+ src_level = 0;
+ else
+ src_level = stImage->base.Level;
+
st_texture_image_copy(st->pipe,
stObj->pt, dstLevel, /* dest texture, level */
- stImage->pt, stImage->base.Level, /* src texture, level */
+ stImage->pt, src_level, /* src texture, level */
stImage->base.Face);
pipe_resource_reference(&stImage->pt, NULL);
16, 16, 1, 0, /* w, h, d, border */
GL_RGBA, MESA_FORMAT_RGBA8888);
- st_TexImage(st->ctx, 2,
- texImg,
- GL_RGBA, /* level, intformat */
- 16, 16, 1, 0, /* w, h, d, border */
- GL_RGBA, GL_UNSIGNED_BYTE, pixels,
- &st->ctx->DefaultPacking,
- 0, GL_FALSE);
+ _mesa_store_teximage2d(st->ctx, texImg,
+ GL_RGBA, /* level, intformat */
+ 16, 16, 1, /* w, h, d, border */
+ GL_RGBA, GL_UNSIGNED_BYTE, pixels,
+ &st->ctx->DefaultPacking);
texObj->Sampler.MinFilter = GL_NEAREST;
texObj->Sampler.MagFilter = GL_NEAREST;
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