if (stObj->pt)
pipe_resource_reference(&stObj->pt, NULL);
if (stObj->sampler_view) {
- if (stObj->sampler_view->context != st->pipe) {
- /* Take "ownership" of this texture sampler view by setting
- * its context pointer to this context. This avoids potential
- * crashes when the texture object is shared among contexts
- * and the original/owner context has already been destroyed.
- */
- stObj->sampler_view->context = st->pipe;
- }
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
}
_mesa_delete_texture_object(ctx, texObj);
}
/** called via ctx->Driver.FreeTextureImageBuffer() */
static void
-st_FreeTextureImageBuffer(struct gl_context * ctx, struct gl_texture_image *texImage)
+st_FreeTextureImageBuffer(struct gl_context *ctx,
+ struct gl_texture_image *texImage)
{
struct st_texture_image *stImage = st_texture_image(texImage);
pipeMode |= PIPE_TRANSFER_READ;
if (mode & GL_MAP_WRITE_BIT)
pipeMode |= PIPE_TRANSFER_WRITE;
+ if (mode & GL_MAP_INVALIDATE_RANGE_BIT)
+ pipeMode |= PIPE_TRANSFER_DISCARD_RANGE;
map = st_texture_image_map(st, stImage, slice, pipeMode, x, y, w, h);
if (map) {
ptLayers,
bindings);
+ stObj->lastLevel = lastLevel;
+
DBG("%s returning %d\n", __FUNCTION__, (stObj->pt != NULL));
return stObj->pt != NULL;
* 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,
/* The parent texture object does not have space for this image */
pipe_resource_reference(&stObj->pt, NULL);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
if (!guess_and_alloc_texture(st, stObj, stImage)) {
/* Probably out of memory.
}
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().
+ * Preparation prior to glTexImage. Basically check the 'surface_based'
+ * field and switch to a "normal" tex image if necessary.
*/
static void
-st_TexImage(struct gl_context * ctx,
- GLint dims,
- 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,
- GLsizei imageSize, GLboolean compressed_src)
+prep_teximage(struct gl_context *ctx, struct gl_texture_image *texImage,
+ GLint internalFormat,
+ GLint width, GLint height, GLint depth, GLint border,
+ GLenum format, GLenum type)
{
- 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);
- 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);
/* switch to "normal" */
if (stObj->surface_based) {
+ const GLenum target = texObj->Target;
+ const GLuint level = texImage->Level;
gl_format texFormat;
_mesa_clear_texture_object(ctx, texObj);
texFormat = _mesa_choose_texture_format(ctx, texObj, target, level,
internalFormat, format, type);
- _mesa_init_teximage_fields(ctx, target, texImage,
+ _mesa_init_teximage_fields(ctx, texImage,
width, height, depth, border,
internalFormat, texFormat);
stObj->surface_based = GL_FALSE;
}
-
- assert(texImage->Width == width);
- assert(texImage->Height == height);
- assert(texImage->Depth == depth);
-
- stImage->base.Face = _mesa_tex_target_to_face(target);
- stImage->base.Level = level;
-
- /* 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,
- 0, 0, 0, /* dstX/Y/Zoffset */
- 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,
- 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, GL_FALSE);
-}
-
-
-static void
-st_TexImage2D(struct gl_context * 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, GL_FALSE);
-}
-
-
-static void
-st_TexImage1D(struct gl_context * 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(struct gl_context * ctx, GLuint 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)
{
- st_TexImage(ctx, 1, target, level, internalFormat, width, 1, 1, border,
- format, type, pixels, unpack, texObj, texImage, 0, GL_FALSE);
+ prep_teximage(ctx, texImage, internalFormat, width, height, depth, border,
+ format, type);
+ _mesa_store_teximage(ctx, dims, texImage, internalFormat, width, height, depth,
+ border, format, type, pixels, unpack);
}
static void
-st_CompressedTexImage2D(struct gl_context *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_CompressedTexImage(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLint internalFormat,
+ GLint width, GLint height, GLint border, GLint depth,
+ GLsizei imageSize, const GLvoid *data)
{
- st_TexImage(ctx, 2, target, level, internalFormat, width, height, 1, border,
- 0, 0, data, &ctx->Unpack, texObj, texImage, imageSize, GL_TRUE);
+ prep_teximage(ctx, texImage, internalFormat, width, height, depth, border,
+ GL_NONE, GL_NONE);
+ _mesa_store_compressed_teximage(ctx, dims, texImage, internalFormat, width,
+ height, depth, border, imageSize, data);
}
struct pipe_context *pipe = st->pipe;
struct st_texture_image *stImage = st_texture_image(texImage);
struct st_texture_object *stObj = st_texture_object(texImage->TexObject);
- struct pipe_sampler_view *src_view =
- st_get_texture_sampler_view(stObj, pipe);
+ struct pipe_sampler_view *src_view;
const GLuint width = texImage->Width;
const GLuint height = texImage->Height;
struct pipe_surface *dst_surface;
pipe->render_condition(pipe, NULL, 0);
}
- /* Choose the source mipmap level */
- src_view->u.tex.first_level = src_view->u.tex.last_level = texImage->Level;
+ /* Create sampler view that limits fetches to the source mipmap level */
+ {
+ struct pipe_sampler_view sv_temp;
+
+ u_sampler_view_default_template(&sv_temp, stObj->pt, stObj->pt->format);
+
+ sv_temp.u.tex.first_level =
+ sv_temp.u.tex.last_level = texImage->Level;
+
+ src_view = pipe->create_sampler_view(pipe, stObj->pt, &sv_temp);
+ if (!src_view) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage");
+ return;
+ }
+ }
/* blit/render/decompress */
util_blit_pixels_tex(st->blit,
pixels = _mesa_map_pbo_dest(ctx, &ctx->Pack, pixels);
/* copy/pack data into user buffer */
- if (st_equal_formats(stImage->pt->format, format, type)) {
+ if (_mesa_format_matches_format_and_type(stImage->base.TexFormat,
+ format, type,
+ ctx->Pack.SwapBytes)) {
/* memcpy */
const uint bytesPerRow = width * util_format_get_blocksize(stImage->pt->format);
ubyte *map = pipe_transfer_map(pipe, tex_xfer);
/* format translation via floats */
GLuint row;
enum pipe_format pformat = util_format_linear(dst_texture->format);
+ GLfloat *rgba;
+
+ rgba = (GLfloat *) malloc(width * 4 * sizeof(GLfloat));
+ if (!rgba) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGetTexImage()");
+ goto end;
+ }
+
for (row = 0; row < height; row++) {
const GLbitfield transferOps = 0x0; /* bypassed for glGetTexImage() */
- GLfloat rgba[4 * MAX_WIDTH];
GLvoid *dest = _mesa_image_address2d(&ctx->Pack, pixels, width,
height, format, type, row, 0);
_mesa_pack_rgba_span_float(ctx, width, (GLfloat (*)[4]) rgba, format,
type, dest, &ctx->Pack, transferOps);
}
+
+ free(rgba);
}
+end:
_mesa_unmap_pbo_dest(ctx, &ctx->Pack);
pipe->transfer_destroy(pipe, tex_xfer);
/* destroy the temp / dest surface */
util_destroy_rgba_surface(dst_texture, dst_surface);
+
+ pipe_sampler_view_release(pipe, &src_view);
}
}
-static void
-st_TexSubimage(struct gl_context *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 st_context *st = st_context(ctx);
- struct st_texture_image *stImage = st_texture_image(texImage);
- GLuint dstRowStride;
- const GLuint srcImageStride =
- _mesa_image_image_stride(packing, width, height, format, type);
- GLint i;
- const GLubyte *src;
- /* init to silence warning only: */
- enum pipe_transfer_usage transfer_usage = PIPE_TRANSFER_WRITE;
- GLubyte *dstMap;
-
- 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;
-
- /* 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;
- }
-
- /* Map buffer if necessary. Need to lock to prevent other contexts
- * from uploading the buffer under us.
- */
- if (stImage->pt) {
- 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, zoffset,
- transfer_usage,
- xoffset, yoffset,
- width, height);
- }
-
- if (!dstMap) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
- goto done;
- }
-
- src = (const GLubyte *) pixels;
- dstRowStride = stImage->transfer->stride;
-
- for (i = 0; i < depth; i++) {
- if (!_mesa_texstore(ctx, dims, texImage->_BaseFormat,
- texImage->TexFormat,
- 0, 0, 0,
- dstRowStride,
- (GLubyte **) &dstMap,
- width, height, 1,
- format, type, src, packing)) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage");
- }
-
- 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,
- zoffset + i + 1,
- transfer_usage,
- xoffset, yoffset,
- width, height);
- src += srcImageStride;
- }
- }
-
-done:
- _mesa_unmap_teximage_pbo(ctx, packing);
-
- if (stImage->pt && stImage->transfer) {
- st_texture_image_unmap(st, stImage);
- }
-}
-
-
-
-static void
-st_TexSubImage3D(struct gl_context *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(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)
-{
- st_TexSubimage(ctx, 2, target, level, xoffset, yoffset, 0,
- width, height, 1, format, type,
- pixels, packing, texObj, texImage);
-}
-
-
-static void
-st_TexSubImage1D(struct gl_context *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);
-}
-
-
-static void
-st_CompressedTexSubImage1D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLsizei width,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- assert(0);
-}
-
-
-static void
-st_CompressedTexSubImage2D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLint height,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- struct st_context *st = st_context(ctx);
- struct st_texture_image *stImage = st_texture_image(texImage);
- int srcBlockStride;
- int dstBlockStride;
- int y;
- enum pipe_format pformat;
- GLubyte *dstMap;
-
- if (stImage->pt) {
- pformat = stImage->pt->format;
-
- dstMap = st_texture_image_map(st, stImage, 0,
- PIPE_TRANSFER_WRITE,
- xoffset, yoffset,
- width, height);
-
- srcBlockStride = util_format_get_stride(pformat, width);
- dstBlockStride = stImage->transfer->stride;
- } else {
- assert(stImage->pt);
- /* TODO find good values for block and strides */
- /* TODO also adjust texImage->data for yoffset/xoffset */
- return;
- }
-
- if (!dstMap) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCompressedTexSubImage");
- return;
- }
-
- assert(xoffset % util_format_get_blockwidth(pformat) == 0);
- assert(yoffset % util_format_get_blockheight(pformat) == 0);
-
- for (y = 0; y < height; y += util_format_get_blockheight(pformat)) {
- /* don't need to adjust for xoffset and yoffset as st_texture_image_map does that */
- const char *src = (const char*)data + srcBlockStride * util_format_get_nblocksy(pformat, y);
- char *dst = (char *) dstMap + dstBlockStride * util_format_get_nblocksy(pformat, y);
- memcpy(dst, src, util_format_get_stride(pformat, width));
- }
-
- if (stImage->pt && stImage->transfer) {
- st_texture_image_unmap(st, stImage);
- }
-}
-
-
-static void
-st_CompressedTexSubImage3D(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLint height, GLint depth,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage)
-{
- assert(0);
-}
-
-
-
/**
* Do a CopyTexSubImage operation using a read transfer from the source,
* a write transfer to the destination and get_tile()/put_tile() to access
* Note: srcY=0=TOP of renderbuffer
*/
static void
-fallback_copy_texsubimage(struct gl_context *ctx, GLenum target, GLint level,
+fallback_copy_texsubimage(struct gl_context *ctx,
struct st_renderbuffer *strb,
struct st_texture_image *stImage,
GLenum baseFormat,
if (ST_DEBUG & DEBUG_FALLBACK)
debug_printf("%s: fallback processing\n", __FUNCTION__);
- assert(width <= MAX_WIDTH);
-
if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
srcY = strb->Base.Height - srcY - height;
}
const GLboolean scaleOrBias = (ctx->Pixel.DepthScale != 1.0F ||
ctx->Pixel.DepthBias != 0.0F);
GLint row, yStep;
+ uint *data;
/* determine bottom-to-top vs. top-to-bottom order for src buffer */
if (st_fb_orientation(ctx->ReadBuffer) == Y_0_TOP) {
yStep = 1;
}
- /* To avoid a large temp memory allocation, do copy row by row */
- for (row = 0; row < height; row++, srcY += yStep) {
- uint data[MAX_WIDTH];
- pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data);
- if (scaleOrBias) {
- _mesa_scale_and_bias_depth_uint(ctx, width, data);
+ data = (uint *) malloc(width * sizeof(uint));
+
+ if (data) {
+ /* To avoid a large temp memory allocation, do copy row by row */
+ for (row = 0; row < height; row++, srcY += yStep) {
+ pipe_get_tile_z(pipe, src_trans, 0, srcY, width, 1, data);
+ if (scaleOrBias) {
+ _mesa_scale_and_bias_depth_uint(ctx, width, data);
+ }
+ pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data);
}
- pipe_put_tile_z(pipe, stImage->transfer, 0, row, width, 1, data);
}
+ else {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glCopyTexSubImage()");
+ }
+
+ free(data);
}
else {
/* RGBA format */
_mesa_texstore(ctx, dims,
texImage->_BaseFormat,
texImage->TexFormat,
- 0, 0, 0,
dstRowStride,
(GLubyte **) &texDest,
width, height, 1,
* Note: srcY=0=Bottom of renderbuffer (GL convention)
*/
static void
-st_copy_texsubimage(struct gl_context *ctx,
- GLenum target, GLint level,
- GLint destX, GLint destY, GLint destZ,
- GLint srcX, GLint srcY,
- GLsizei width, GLsizei height)
+st_CopyTexSubImage(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLint destX, GLint destY, GLint destZ,
+ struct gl_renderbuffer *rb,
+ 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);
const GLenum texBaseFormat = texImage->_BaseFormat;
struct gl_framebuffer *fb = ctx->ReadBuffer;
return;
fallback:
- /* software fallback */
- fallback_copy_texsubimage(ctx, target, level,
- strb, stImage, texBaseFormat,
- destX, destY, destZ,
- srcX, srcY, width, height);
-}
-
-
-
-static void
-st_CopyTexSubImage1D(struct gl_context * ctx, GLenum target, GLint level,
- GLint xoffset, GLint x, GLint y, GLsizei width)
-{
- const GLint yoffset = 0, zoffset = 0;
- const GLsizei height = 1;
- st_copy_texsubimage(ctx, target, level,
- xoffset, yoffset, zoffset, /* destX,Y,Z */
- x, y, width, height); /* src X, Y, size */
-}
-
-
-static void
-st_CopyTexSubImage2D(struct gl_context * ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLint x, GLint y, GLsizei width, GLsizei height)
-{
- const GLint zoffset = 0;
- st_copy_texsubimage(ctx, target, level,
- xoffset, yoffset, zoffset, /* destX,Y,Z */
- x, y, width, height); /* src X, Y, size */
-}
-
-
-static void
-st_CopyTexSubImage3D(struct gl_context * ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint x, GLint y, GLsizei width, GLsizei height)
-{
- st_copy_texsubimage(ctx, target, level,
- xoffset, yoffset, zoffset, /* destX,Y,Z */
- x, y, width, height); /* src X, Y, size */
+ /* software fallback */
+ fallback_copy_texsubimage(ctx,
+ strb, stImage, texBaseFormat,
+ destX, destY, destZ,
+ srcX, srcY, width, height);
}
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);
enum pipe_format firstImageFormat;
GLuint ptWidth, ptHeight, ptDepth, ptLayers;
- if (stObj->base._Complete) {
+ if (_mesa_is_texture_complete(tObj, &tObj->Sampler)) {
/* The texture is complete and we know exactly how many mipmap levels
* are present/needed. This is conditional because we may be called
* from the st_generate_mipmap() function when the texture object is
firstImage->pt != stObj->pt &&
(!stObj->pt || firstImage->pt->last_level >= stObj->pt->last_level)) {
pipe_resource_reference(&stObj->pt, firstImage->pt);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
}
/* Find gallium format for the Mesa texture */
* gallium texture now. We'll make a new one below.
*/
pipe_resource_reference(&stObj->pt, NULL);
- pipe_sampler_view_reference(&stObj->sampler_view, NULL);
+ pipe_sampler_view_release(st->pipe, &stObj->sampler_view);
st->dirty.st |= ST_NEW_FRAMEBUFFER;
}
}
}
-/**
- * Returns pointer to a default/dummy texture.
- * This is typically used when the current shader has tex/sample instructions
- * but the user has not provided a (any) texture(s).
- */
-struct gl_texture_object *
-st_get_default_texture(struct st_context *st)
-{
- if (!st->default_texture) {
- static const GLenum target = GL_TEXTURE_2D;
- GLubyte pixels[16][16][4];
- struct gl_texture_object *texObj;
- struct gl_texture_image *texImg;
- GLuint i, j;
-
- /* The ARB_fragment_program spec says (0,0,0,1) should be returned
- * when attempting to sample incomplete textures.
- */
- for (i = 0; i < 16; i++) {
- for (j = 0; j < 16; j++) {
- pixels[i][j][0] = 0;
- pixels[i][j][1] = 0;
- pixels[i][j][2] = 0;
- pixels[i][j][3] = 255;
- }
- }
-
- texObj = st->ctx->Driver.NewTextureObject(st->ctx, 0, target);
-
- texImg = _mesa_get_tex_image(st->ctx, texObj, target, 0);
-
- _mesa_init_teximage_fields(st->ctx, target, texImg,
- 16, 16, 1, 0, /* w, h, d, border */
- GL_RGBA, MESA_FORMAT_RGBA8888);
-
- st_TexImage(st->ctx, 2, target,
- 0, GL_RGBA, /* level, intformat */
- 16, 16, 1, 0, /* w, h, d, border */
- GL_RGBA, GL_UNSIGNED_BYTE, pixels,
- &st->ctx->DefaultPacking,
- texObj, texImg,
- 0, 0);
-
- texObj->Sampler.MinFilter = GL_NEAREST;
- texObj->Sampler.MagFilter = GL_NEAREST;
- texObj->_Complete = GL_TRUE;
-
- st->default_texture = texObj;
- }
- return st->default_texture;
-}
-
-
/**
* Called via ctx->Driver.AllocTextureStorage() to allocate texture memory
* for a whole mipmap stack.
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->CompressedTexSubImage1D = st_CompressedTexSubImage1D;
- functions->CompressedTexSubImage2D = st_CompressedTexSubImage2D;
- functions->CompressedTexSubImage3D = st_CompressedTexSubImage3D;
- functions->CopyTexSubImage1D = st_CopyTexSubImage1D;
- functions->CopyTexSubImage2D = st_CopyTexSubImage2D;
- functions->CopyTexSubImage3D = st_CopyTexSubImage3D;
+ functions->TexImage = st_TexImage;
+ functions->TexSubImage = _mesa_store_texsubimage;
+ functions->CompressedTexSubImage = _mesa_store_compressed_texsubimage;
+ functions->CopyTexSubImage = st_CopyTexSubImage;
functions->GenerateMipmap = st_generate_mipmap;
functions->GetTexImage = st_GetTexImage;
/* compressed texture functions */
- functions->CompressedTexImage2D = st_CompressedTexImage2D;
+ functions->CompressedTexImage = st_CompressedTexImage;
functions->GetCompressedTexImage = _mesa_get_compressed_teximage;
functions->NewTextureObject = st_NewTextureObject;
projects / mesa.git / blobdiff