#include "main/convolve.h"
#endif
#include "main/enums.h"
+#include "main/fbobject.h"
#include "main/formats.h"
#include "main/image.h"
#include "main/imports.h"
#include "main/macros.h"
#include "main/mipmap.h"
-#include "main/pixel.h"
#include "main/texcompress.h"
#include "main/texfetch.h"
-#include "main/texformat.h"
#include "main/texgetimage.h"
#include "main/teximage.h"
#include "main/texobj.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
-#include "pipe/p_inlines.h"
+#include "util/u_inlines.h"
#include "pipe/p_shader_tokens.h"
#include "util/u_tile.h"
#include "util/u_blit.h"
_mesa_align_free(texImage->Data);
}
- if (width == 0 || height == 0 || depth == 0) {
- /* stop after freeing old image */
- return;
- }
-
- /* 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.
+ /*
+ * See if the new image is somehow incompatible with the existing
+ * mipmap. If so, free the old mipmap.
*/
if (stObj->pt) {
if (stObj->teximage_realloc ||
level > (GLint) stObj->pt->last_level ||
- (stObj->pt->last_level == level &&
- stObj->pt->target != PIPE_TEXTURE_CUBE &&
- !st_texture_match_image(stObj->pt, &stImage->base,
- stImage->face, stImage->level))) {
+ !st_texture_match_image(stObj->pt, &stImage->base,
+ stImage->face, stImage->level)) {
DBG("release it\n");
pipe_texture_reference(&stObj->pt, NULL);
assert(!stObj->pt);
}
}
+ if (width == 0 || height == 0 || depth == 0) {
+ /* stop after freeing old image */
+ return;
+ }
+
if (!stObj->pt) {
guess_and_alloc_texture(ctx->st, stObj, stImage);
if (!stObj->pt) {
* conversion and copy:
*/
if (compressed_src) {
- memcpy(texImage->Data, pixels, imageSize);
+ const GLuint srcImageStride = _mesa_format_row_stride(texImage->TexFormat, width);
+ if(dstRowStride == srcImageStride)
+ memcpy(texImage->Data, pixels, imageSize);
+ else
+ {
+ char *dst = texImage->Data;
+ 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, srcImageStride);
+ dst += dstRowStride;
+ src += srcImageStride;
+ }
+ }
}
else {
const GLuint srcImageStride =
_mesa_unmap_pbo_dest(ctx, &ctx->Pack);
+ screen->tex_transfer_destroy(tex_xfer);
+
/* destroy the temp / dest surface */
util_destroy_rgba_surface(dst_texture, dst_surface);
}
done:
_mesa_unmap_teximage_pbo(ctx, packing);
- if (stImage->pt) {
+ if (stImage->pt && texImage->Data) {
st_texture_image_unmap(ctx->st, stImage);
texImage->Data = NULL;
}
else {
/* RGBA format */
GLfloat *tempSrc =
- (GLfloat *) _mesa_malloc(width * height * 4 * sizeof(GLfloat));
+ (GLfloat *) malloc(width * height * 4 * sizeof(GLfloat));
if (tempSrc && texDest) {
const GLint dims = 2;
}
if (tempSrc)
- _mesa_free(tempSrc);
+ free(tempSrc);
}
st_texture_image_unmap(ctx->st, stImage);
}
+
+/**
+ * If the format of the src renderbuffer and the format of the dest
+ * texture are compatible (in terms of blitting), return a TGSI writemask
+ * to be used during the blit.
+ * If the src/dest are incompatible, return 0.
+ */
static unsigned
-compatible_src_dst_formats(const struct gl_renderbuffer *src,
+compatible_src_dst_formats(GLcontext *ctx,
+ const struct gl_renderbuffer *src,
const struct gl_texture_image *dst)
{
- const GLenum srcFormat = _mesa_get_format_base_format(src->Format);
- const GLenum dstLogicalFormat = _mesa_get_format_base_format(dst->TexFormat);
+ /* Get logical base formats for the src and dest.
+ * That is, use the user-requested formats and not the actual, device-
+ * chosen formats.
+ * For example, the user may have requested an A8 texture but the
+ * driver may actually be using an RGBA texture format. When we
+ * copy/blit to that texture, we only want to copy the Alpha channel
+ * and not the RGB channels.
+ *
+ * Similarly, when the src FBO was created an RGB format may have been
+ * requested but the driver actually chose an RGBA format. In that case,
+ * we don't want to copy the undefined Alpha channel to the dest texture
+ * (it should be 1.0).
+ */
+ const GLenum srcFormat = _mesa_base_fbo_format(ctx, src->InternalFormat);
+ const GLenum dstFormat = _mesa_base_tex_format(ctx, dst->InternalFormat);
- if (srcFormat == dstLogicalFormat) {
+ /**
+ * XXX when we have red-only and red/green renderbuffers we'll need
+ * to add more cases here (or implement a general-purpose routine that
+ * queries the existance of the R,G,B,A channels in the src and dest).
+ */
+ if (srcFormat == dstFormat) {
/* This is the same as matching_base_formats, which should
* always pass, as it did previously.
*/
return TGSI_WRITEMASK_XYZW;
}
- else if (srcFormat == GL_RGBA &&
- dstLogicalFormat == GL_RGB) {
- /* Add a single special case to cope with RGBA->RGB transfers,
- * setting A to 1.0 to cope with situations where the RGB
- * destination is actually stored as RGBA.
+ else if (srcFormat == GL_RGB && dstFormat == GL_RGBA) {
+ /* Make sure that A in the dest is 1. The actual src format
+ * may be RGBA and have undefined A values.
*/
- return TGSI_WRITEMASK_XYZ; /* A ==> 1.0 */
+ return TGSI_WRITEMASK_XYZ;
+ }
+ else if (srcFormat == GL_RGBA && dstFormat == GL_RGB) {
+ /* Make sure that A in the dest is 1. The actual dst format
+ * may be RGBA and will need A=1 to provide proper alpha values
+ * when sampled later.
+ */
+ return TGSI_WRITEMASK_XYZ;
}
else {
if (ST_DEBUG & DEBUG_FALLBACK)
debug_printf("%s failed for src %s, dst %s\n",
__FUNCTION__,
_mesa_lookup_enum_by_nr(srcFormat),
- _mesa_lookup_enum_by_nr(dstLogicalFormat));
+ _mesa_lookup_enum_by_nr(dstFormat));
/* Otherwise fail.
*/
matching_base_formats =
(_mesa_get_format_base_format(strb->Base.Format) ==
_mesa_get_format_base_format(texImage->TexFormat));
- format_writemask = compatible_src_dst_formats(&strb->Base, texImage);
+ format_writemask = compatible_src_dst_formats(ctx, &strb->Base, texImage);
if (ctx->_ImageTransferState == 0x0) {
st_texture_image_copy(st->pipe,
stObj->pt, dstLevel, /* dest texture, level */
stImage->pt, /* src texture */
- stImage->face
- );
+ stImage->face);
pipe_texture_reference(&stImage->pt, NULL);
}
else if (stImage->base.Data) {
/* More straightforward upload.
*/
-
st_teximage_flush_before_map(st, stObj->pt, stImage->face, dstLevel,
PIPE_TRANSFER_WRITE);
-
st_texture_image_data(st,
stObj->pt,
stImage->face,
projects / mesa.git / blobdiff