---
src/mesa/state_tracker/st_cb_drawpixels.c | 4 ++++
src/mesa/state_tracker/st_extensions.c | 6 ++++++
src/mesa/state_tracker/st_format.c | 13 +++++++++++++
3 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/src/mesa/state_tracker/st_cb_drawpixels.c
b/src/mesa/state_tracker/st_cb_drawpixels.c
index 1707f82..be0cd61 100644
--- a/src/mesa/state_tracker/st_cb_drawpixels.c
+++ b/src/mesa/state_tracker/st_cb_drawpixels.c
@@ -372,6 +372,10 @@ internal_format(struct gl_context *ctx, GLenum format,
GLenum type)
return
ctx->Extensions.ARB_texture_float ? GL_RGBA32F :
ctx->Extensions.EXT_texture_snorm ? GL_RGBA16_SNORM : GL_RGBA16;
+
+ case GL_UNSIGNED_INT_5_9_9_9_REV:
+ assert(ctx->Extensions.EXT_texture_shared_exponent);
+ return GL_RGB9_E5;
}
}
}
diff --git a/src/mesa/state_tracker/st_extensions.c
b/src/mesa/state_tracker/st_extensions.c
index bdc0894..f280279 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -574,4 +574,10 @@ void st_init_extensions(struct st_context *st)
if (st->pipe->texture_barrier) {
ctx->Extensions.NV_texture_barrier = GL_TRUE;
}
+
+ if (screen->is_format_supported(screen, PIPE_FORMAT_R9G9B9E5_FLOAT,
+ PIPE_TEXTURE_2D, 0,
+ PIPE_BIND_SAMPLER_VIEW)) {
+ ctx->Extensions.EXT_texture_shared_exponent = GL_TRUE;
+ }
}
diff --git a/src/mesa/state_tracker/st_format.c
b/src/mesa/state_tracker/st_format.c
index 8e50dbd..4b3a175 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -325,6 +325,9 @@ st_mesa_format_to_pipe_format(gl_format mesaFormat)
case MESA_FORMAT_SIGNED_I16:
return PIPE_FORMAT_I16_SNORM;
+ case MESA_FORMAT_RGB9_E5_FLOAT:
+ return PIPE_FORMAT_R9G9B9E5_FLOAT;
+
default:
assert(0);
return PIPE_FORMAT_NONE;
@@ -545,6 +548,9 @@ st_pipe_format_to_mesa_format(enum pipe_format format)
case PIPE_FORMAT_I16_SNORM:
return MESA_FORMAT_SIGNED_I16;
+ case PIPE_FORMAT_R9G9B9E5_FLOAT:
+ return MESA_FORMAT_RGB9_E5_FLOAT;
+
default:
assert(0);
return MESA_FORMAT_NONE;
@@ -1464,6 +1470,13 @@ st_choose_format(struct pipe_screen *screen, GLenum
internalFormat,
target, sample_count, bindings);
}
+ case GL_RGB9_E5:
+ if (screen->is_format_supported(screen, PIPE_FORMAT_R9G9B9E5_FLOAT,
target,
+ sample_count, bindings)) {
+ return PIPE_FORMAT_R9G9B9E5_FLOAT;
+ }
+ return PIPE_FORMAT_NONE;
+
default:
return PIPE_FORMAT_NONE;
}
--
1.7.4.1
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