[Mesa-dev] [PATCH] mesa/st: add support for 2101010 vertex format conversion.
Dave Airlie
airlied at gmail.com
Sun Sep 4 07:35:49 PDT 2011
From: Dave Airlie <airlied at redhat.com>
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
src/mesa/state_tracker/st_draw.c | 35 +++++++++++++++++++++++++++++++-
src/mesa/state_tracker/st_extensions.c | 27 ++++++++++++++++++++++++
2 files changed, 61 insertions(+), 1 deletions(-)
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index 5040c6f..39a947d 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -187,11 +187,44 @@ st_pipe_vertex_format(GLenum type, GLuint size, GLenum format,
GLboolean normalized)
{
assert((type >= GL_BYTE && type <= GL_DOUBLE) ||
- type == GL_FIXED || type == GL_HALF_FLOAT);
+ type == GL_FIXED || type == GL_HALF_FLOAT ||
+ type == GL_INT_2_10_10_10_REV ||
+ type == GL_UNSIGNED_INT_2_10_10_10_REV);
assert(size >= 1);
assert(size <= 4);
assert(format == GL_RGBA || format == GL_BGRA);
+ if (type == GL_INT_2_10_10_10_REV ||
+ type == GL_UNSIGNED_INT_2_10_10_10_REV) {
+ assert(size == 4);
+
+ if (format == GL_BGRA) {
+ if (type == GL_INT_2_10_10_10_REV) {
+ if (normalized)
+ return PIPE_FORMAT_B10G10R10A2_SNORM;
+ else
+ return PIPE_FORMAT_B10G10R10A2_SSCALED;
+ } else {
+ if (normalized)
+ return PIPE_FORMAT_B10G10R10A2_UNORM;
+ else
+ return PIPE_FORMAT_B10G10R10A2_USCALED;
+ }
+ } else {
+ if (type == GL_INT_2_10_10_10_REV) {
+ if (normalized)
+ return PIPE_FORMAT_R10G10B10A2_SNORM;
+ else
+ return PIPE_FORMAT_R10G10B10A2_SSCALED;
+ } else {
+ if (normalized)
+ return PIPE_FORMAT_R10G10B10A2_UNORM;
+ else
+ return PIPE_FORMAT_R10G10B10A2_USCALED;
+ }
+ }
+ }
+
if (format == GL_BGRA) {
/* this is an odd-ball case */
assert(type == GL_UNSIGNED_BYTE);
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index aa7f3b5..88c6050 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -534,6 +534,33 @@ void st_init_extensions(struct st_context *st)
ctx->Extensions.ARB_ES2_compatibility = GL_TRUE;
}
+ if (screen->is_format_supported(screen, PIPE_FORMAT_R10G10B10A2_UNORM,
+ PIPE_BUFFER, 0,
+ PIPE_BIND_VERTEX_BUFFER) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_B10G10R10A2_UNORM,
+ PIPE_BUFFER, 0,
+ PIPE_BIND_VERTEX_BUFFER) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_R10G10B10A2_SNORM,
+ PIPE_BUFFER, 0,
+ PIPE_BIND_VERTEX_BUFFER) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_B10G10R10A2_SNORM,
+ PIPE_BUFFER, 0,
+ PIPE_BIND_VERTEX_BUFFER) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_R10G10B10A2_USCALED,
+ PIPE_BUFFER, 0,
+ PIPE_BIND_VERTEX_BUFFER) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_B10G10R10A2_USCALED,
+ PIPE_BUFFER, 0,
+ PIPE_BIND_VERTEX_BUFFER) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_R10G10B10A2_SSCALED,
+ PIPE_BUFFER, 0,
+ PIPE_BIND_VERTEX_BUFFER) &&
+ screen->is_format_supported(screen, PIPE_FORMAT_B10G10R10A2_SSCALED,
+ PIPE_BUFFER, 0,
+ PIPE_BIND_VERTEX_BUFFER)) {
+ ctx->Extensions.ARB_vertex_type_2_10_10_10_rev = GL_TRUE;
+ }
+
if (screen->get_shader_param(screen, PIPE_SHADER_GEOMETRY, PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
#if 0 /* XXX re-enable when GLSL compiler again supports geometry shaders */
ctx->Extensions.ARB_geometry_shader4 = GL_TRUE;
--
1.7.6
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