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st/mesa: handle SNORM formats in generic CopyPixels path

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v2: check desc->is_mixed in util_format_is_snorm
This commit is contained in:
Marek Olšák
2013-06-06 13:45:24 +02:00
parent adf8afa168
commit f83e220d36
3 changed files with 29 additions and 0 deletions
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6
src/mesa/state_tracker/st_cb_drawpixels.c
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@@ -1546,6 +1546,7 @@ st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
if (!screen->is_format_supported(screen, srcFormat, st->internal_target, 0,
srcBind)) {
/* srcFormat is non-renderable. Find a compatible renderable format. */
if (type == GL_DEPTH) {
srcFormat = st_choose_format(st, GL_DEPTH_COMPONENT, GL_NONE,
GL_NONE, st->internal_target, 0,
@@ -1569,6 +1570,11 @@ st_CopyPixels(struct gl_context *ctx, GLint srcx, GLint srcy,
GL_NONE, st->internal_target, 0,
srcBind, FALSE);
}
else if (util_format_is_snorm(srcFormat)) {
srcFormat = st_choose_format(st, GL_RGBA16_SNORM, GL_NONE,
GL_NONE, st->internal_target, 0,
srcBind, FALSE);
}
else {
srcFormat = st_choose_format(st, GL_RGBA, GL_NONE,
GL_NONE, st->internal_target, 0,