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Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_format.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_format.c95
1 files changed, 83 insertions, 12 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_format.c b/mesalib/src/mesa/state_tracker/st_format.c
index 409079bd4..b5e03b0f8 100644
--- a/mesalib/src/mesa/state_tracker/st_format.c
+++ b/mesalib/src/mesa/state_tracker/st_format.c
@@ -54,7 +54,7 @@
* Translate Mesa format to Gallium format.
*/
enum pipe_format
-st_mesa_format_to_pipe_format(mesa_format mesaFormat)
+st_mesa_format_to_pipe_format(struct st_context *st, mesa_format mesaFormat)
{
switch (mesaFormat) {
case MESA_FORMAT_A8B8G8R8_UNORM:
@@ -323,8 +323,19 @@ st_mesa_format_to_pipe_format(mesa_format mesaFormat)
case MESA_FORMAT_LA_LATC2_SNORM:
return PIPE_FORMAT_LATC2_SNORM;
+ /* The destination RGBA format mustn't be changed, because it's also
+ * a destination format of the unpack/decompression function. */
case MESA_FORMAT_ETC1_RGB8:
- return PIPE_FORMAT_ETC1_RGB8;
+ return st->has_etc1 ? PIPE_FORMAT_ETC1_RGB8 : PIPE_FORMAT_R8G8B8A8_UNORM;
+
+ case MESA_FORMAT_BPTC_RGBA_UNORM:
+ return PIPE_FORMAT_BPTC_RGBA_UNORM;
+ case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
+ return PIPE_FORMAT_BPTC_SRGBA;
+ case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT:
+ return PIPE_FORMAT_BPTC_RGB_FLOAT;
+ case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT:
+ return PIPE_FORMAT_BPTC_RGB_UFLOAT;
/* signed normalized formats */
case MESA_FORMAT_R_SNORM8:
@@ -402,6 +413,26 @@ st_mesa_format_to_pipe_format(mesa_format mesaFormat)
case MESA_FORMAT_B8G8R8X8_SRGB:
return PIPE_FORMAT_B8G8R8X8_SRGB;
+ /* ETC2 formats are emulated as uncompressed ones.
+ * The destination formats mustn't be changed, because they are also
+ * destination formats of the unpack/decompression function. */
+ case MESA_FORMAT_ETC2_RGB8:
+ case MESA_FORMAT_ETC2_RGBA8_EAC:
+ case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
+ return PIPE_FORMAT_R8G8B8A8_UNORM;
+ case MESA_FORMAT_ETC2_SRGB8:
+ case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
+ case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
+ return PIPE_FORMAT_B8G8R8A8_SRGB;
+ case MESA_FORMAT_ETC2_R11_EAC:
+ return PIPE_FORMAT_R16_UNORM;
+ case MESA_FORMAT_ETC2_RG11_EAC:
+ return PIPE_FORMAT_R16G16_UNORM;
+ case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
+ return PIPE_FORMAT_R16_SNORM;
+ case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
+ return PIPE_FORMAT_R16G16_SNORM;
+
default:
return PIPE_FORMAT_NONE;
}
@@ -685,6 +716,15 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
case PIPE_FORMAT_ETC1_RGB8:
return MESA_FORMAT_ETC1_RGB8;
+ case PIPE_FORMAT_BPTC_RGBA_UNORM:
+ return MESA_FORMAT_BPTC_RGBA_UNORM;
+ case PIPE_FORMAT_BPTC_SRGBA:
+ return MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM;
+ case PIPE_FORMAT_BPTC_RGB_FLOAT:
+ return MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT;
+ case PIPE_FORMAT_BPTC_RGB_UFLOAT:
+ return MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT;
+
/* signed normalized formats */
case PIPE_FORMAT_R8_SNORM:
return MESA_FORMAT_R_SNORM8;
@@ -775,13 +815,21 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
* Mesa formats to Gallium formats and back again.
*/
static void
-test_format_conversion(void)
+test_format_conversion(struct st_context *st)
{
GLuint i;
/* test all Mesa formats */
for (i = 1; i < MESA_FORMAT_COUNT; i++) {
- enum pipe_format pf = st_mesa_format_to_pipe_format(i);
+ enum pipe_format pf;
+
+ /* ETC formats are translated differently, skip them. */
+ if (_mesa_is_format_etc2(i))
+ continue;
+ if (i == MESA_FORMAT_ETC1_RGB8 && !st->has_etc1)
+ continue;
+
+ pf = st_mesa_format_to_pipe_format(st, i);
if (pf != PIPE_FORMAT_NONE) {
mesa_format mf = st_pipe_format_to_mesa_format(pf);
assert(mf == i);
@@ -791,8 +839,13 @@ test_format_conversion(void)
/* Test all Gallium formats */
for (i = 1; i < PIPE_FORMAT_COUNT; i++) {
mesa_format mf = st_pipe_format_to_mesa_format(i);
+
+ /* ETC formats are translated differently, skip them. */
+ if (i == PIPE_FORMAT_ETC1_RGB8 && !st->has_etc1)
+ continue;
+
if (mf != MESA_FORMAT_NONE) {
- enum pipe_format pf = st_mesa_format_to_pipe_format(mf);
+ enum pipe_format pf = st_mesa_format_to_pipe_format(st, mf);
assert(pf == i);
}
}
@@ -1238,6 +1291,24 @@ static const struct format_mapping format_map[] = {
{ PIPE_FORMAT_ETC1_RGB8, 0 }
},
+ /* BPTC */
+ {
+ { GL_COMPRESSED_RGBA_BPTC_UNORM, 0 },
+ { PIPE_FORMAT_BPTC_RGBA_UNORM, 0 },
+ },
+ {
+ { GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM, 0 },
+ { PIPE_FORMAT_BPTC_SRGBA, 0 },
+ },
+ {
+ { GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT, 0 },
+ { PIPE_FORMAT_BPTC_RGB_FLOAT, 0 },
+ },
+ {
+ { GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT, 0 },
+ { PIPE_FORMAT_BPTC_RGB_UFLOAT, 0 },
+ },
+
/* signed/unsigned integer formats.
*/
{
@@ -1680,7 +1751,7 @@ st_choose_format(struct st_context *st, GLenum internalFormat,
{
static boolean firstCall = TRUE;
if (firstCall) {
- test_format_conversion();
+ test_format_conversion(st);
firstCall = FALSE;
}
}
@@ -1746,9 +1817,10 @@ st_choose_renderbuffer_format(struct st_context *st,
* If no format is supported, return PIPE_FORMAT_NONE.
*/
enum pipe_format
-st_choose_matching_format(struct pipe_screen *screen, unsigned bind,
+st_choose_matching_format(struct st_context *st, unsigned bind,
GLenum format, GLenum type, GLboolean swapBytes)
{
+ struct pipe_screen *screen = st->pipe->screen;
mesa_format mesa_format;
for (mesa_format = 1; mesa_format < MESA_FORMAT_COUNT; mesa_format++) {
@@ -1764,7 +1836,8 @@ st_choose_matching_format(struct pipe_screen *screen, unsigned bind,
if (_mesa_format_matches_format_and_type(mesa_format, format, type,
swapBytes)) {
- enum pipe_format format = st_mesa_format_to_pipe_format(mesa_format);
+ enum pipe_format format =
+ st_mesa_format_to_pipe_format(st, mesa_format);
if (format &&
screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, 0,
@@ -1834,16 +1907,14 @@ st_ChooseTextureFormat(struct gl_context *ctx, GLenum target,
* with the "format".
*/
if (iformat == baseFormat && iformat == basePackFormat) {
- pFormat = st_choose_matching_format(st->pipe->screen, bindings,
- format, type,
+ pFormat = st_choose_matching_format(st, bindings, format, type,
ctx->Unpack.SwapBytes);
if (pFormat != PIPE_FORMAT_NONE)
return st_pipe_format_to_mesa_format(pFormat);
/* try choosing format again, this time without render target bindings */
- pFormat = st_choose_matching_format(st->pipe->screen,
- PIPE_BIND_SAMPLER_VIEW,
+ pFormat = st_choose_matching_format(st, PIPE_BIND_SAMPLER_VIEW,
format, type,
ctx->Unpack.SwapBytes);
if (pFormat != PIPE_FORMAT_NONE)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 23:25:56 +0000