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authormarha <marha@users.sourceforge.net>2013-02-05 08:22:00 +0100
committermarha <marha@users.sourceforge.net>2013-02-05 08:23:51 +0100
commit76c527be60066b647468ad66f8e4d7dd18fa1769 (patch)
tree2e4653dc3adf874409cf9baba399fd64537115d4 /mesalib/src/mesa/state_tracker/st_format.c
parenta6d5f8de1394c338d01b65be7dba3520bf8bdf4b (diff)
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fontconfig mesa xkeyboard-config git update 5 feb 2013
xkeyboard-config commit b4be67b48fb11989f1824dd0b1c8c399430162b0 fontconfig commit 95af7447dba7c54ed162b667c0bb2ea6500e8f32 mesa commit 86536a321d9d26137587affe687a07da71f0b526
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_format.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_format.c84
1 files changed, 42 insertions, 42 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index 7ef063953..2169bed89 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -1398,18 +1398,25 @@ static const struct format_mapping format_map[] = {
/**
* Return first supported format from the given list.
+ * \param allow_dxt indicates whether it's OK to return a DXT format.
*/
static enum pipe_format
find_supported_format(struct pipe_screen *screen,
const enum pipe_format formats[],
enum pipe_texture_target target,
unsigned sample_count,
- unsigned tex_usage)
+ unsigned tex_usage,
+ boolean allow_dxt)
{
uint i;
for (i = 0; formats[i]; i++) {
if (screen->is_format_supported(screen, formats[i], target,
sample_count, tex_usage)) {
+ if (!allow_dxt && util_format_is_s3tc(formats[i])) {
+ /* we can't return a dxt format, continue searching */
+ continue;
+ }
+
return formats[i];
}
}
@@ -1514,12 +1521,16 @@ find_exact_format(GLint internalFormat, GLenum format, GLenum type)
* \param internalFormat the user value passed to glTexImage2D
* \param target one of PIPE_TEXTURE_x
* \param bindings bitmask of PIPE_BIND_x flags.
+ * \param allow_dxt indicates whether it's OK to return a DXT format. This
+ * only matters when internalFormat names a generic or
+ * specific compressed format. And that should only happen
+ * when we're getting called from gl[Copy]TexImage().
*/
enum pipe_format
st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
GLenum format, GLenum type,
enum pipe_texture_target target, unsigned sample_count,
- unsigned bindings)
+ unsigned bindings, boolean allow_dxt)
{
GET_CURRENT_CONTEXT(ctx); /* XXX this should be a function parameter */
int i, j;
@@ -1547,7 +1558,8 @@ st_choose_format(struct pipe_screen *screen, GLenum internalFormat,
* which is supported by the driver.
*/
return find_supported_format(screen, mapping->pipeFormats,
- target, sample_count, bindings);
+ target, sample_count, bindings,
+ allow_dxt);
}
}
}
@@ -1569,27 +1581,42 @@ st_choose_renderbuffer_format(struct pipe_screen *screen,
usage = PIPE_BIND_DEPTH_STENCIL;
else
usage = PIPE_BIND_RENDER_TARGET;
- return st_choose_format(screen, internalFormat, GL_NONE, GL_NONE, PIPE_TEXTURE_2D,
- sample_count, usage);
+ return st_choose_format(screen, internalFormat, GL_NONE, GL_NONE,
+ PIPE_TEXTURE_2D, sample_count, usage, FALSE);
}
+/**
+ * Called via ctx->Driver.ChooseTextureFormat().
+ */
gl_format
-st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
- GLenum format, GLenum type, GLboolean renderable)
+st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
+ GLint internalFormat,
+ GLenum format, GLenum type)
{
+ const boolean want_renderable =
+ internalFormat == 3 || internalFormat == 4 ||
+ internalFormat == GL_RGB || internalFormat == GL_RGBA ||
+ internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
+ internalFormat == GL_BGRA;
struct pipe_screen *screen = st_context(ctx)->pipe->screen;
enum pipe_format pFormat;
- uint bindings;
+ unsigned bindings;
- (void) format;
- (void) type;
+ if (target == GL_TEXTURE_1D || target == GL_TEXTURE_1D_ARRAY) {
+ /* We don't do compression for these texture targets because of
+ * difficulty with sub-texture updates on non-block boundaries, etc.
+ * So change the internal format request to an uncompressed format.
+ */
+ internalFormat =
+ _mesa_generic_compressed_format_to_uncompressed_format(internalFormat);
+ }
/* GL textures may wind up being render targets, but we don't know
* that in advance. Specify potential render target flags now.
*/
bindings = PIPE_BIND_SAMPLER_VIEW;
- if (renderable) {
+ if (want_renderable) {
if (_mesa_is_depth_or_stencil_format(internalFormat))
bindings |= PIPE_BIND_DEPTH_STENCIL;
else
@@ -1597,12 +1624,13 @@ st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
}
pFormat = st_choose_format(screen, internalFormat, format, type,
- PIPE_TEXTURE_2D, 0, bindings);
+ PIPE_TEXTURE_2D, 0, bindings, ctx->Mesa_DXTn);
if (pFormat == PIPE_FORMAT_NONE) {
/* try choosing format again, this time without render target bindings */
pFormat = st_choose_format(screen, internalFormat, format, type,
- PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW);
+ PIPE_TEXTURE_2D, 0, PIPE_BIND_SAMPLER_VIEW,
+ ctx->Mesa_DXTn);
}
if (pFormat == PIPE_FORMAT_NONE) {
@@ -1617,34 +1645,6 @@ st_ChooseTextureFormat_renderable(struct gl_context *ctx, GLint internalFormat,
/**
* Called via ctx->Driver.ChooseTextureFormat().
*/
-gl_format
-st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
- GLint internalFormat,
- GLenum format, GLenum type)
-{
- boolean want_renderable =
- internalFormat == 3 || internalFormat == 4 ||
- internalFormat == GL_RGB || internalFormat == GL_RGBA ||
- internalFormat == GL_RGB8 || internalFormat == GL_RGBA8 ||
- internalFormat == GL_BGRA;
-
- if (target == GL_TEXTURE_1D || target == GL_TEXTURE_1D_ARRAY) {
- /* We don't do compression for these texture targets because of
- * difficulty with sub-texture updates on non-block boundaries, etc.
- * So change the internal format request to an uncompressed format.
- */
- internalFormat =
- _mesa_generic_compressed_format_to_uncompressed_format(internalFormat);
- }
-
- return st_ChooseTextureFormat_renderable(ctx, internalFormat,
- format, type, want_renderable);
-}
-
-
-/**
- * Called via ctx->Driver.ChooseTextureFormat().
- */
size_t
st_QuerySamplesForFormat(struct gl_context *ctx, GLenum internalFormat,
int samples[16])
@@ -1661,7 +1661,7 @@ st_QuerySamplesForFormat(struct gl_context *ctx, GLenum internalFormat,
/* Set sample counts in descending order. */
for (i = 16; i > 1; i--) {
format = st_choose_format(screen, internalFormat, GL_NONE, GL_NONE,
- PIPE_TEXTURE_2D, i, bind);
+ PIPE_TEXTURE_2D, i, bind, FALSE);
if (format != PIPE_FORMAT_NONE) {
samples[num_sample_counts++] = i;