Mesa (arb_half_float_vertex): i965: add support for ARB_half_float_vertex
Dave Airlie
airlied at kemper.freedesktop.org
Mon Jan 18 06:31:49 UTC 2010
Module: Mesa
Branch: arb_half_float_vertex
Commit: 9d8228283c13307e079451df3261d68ece457ba1
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=9d8228283c13307e079451df3261d68ece457ba1
Author: Dave Airlie <airlied at linux.ie>
Date: Mon Jan 18 16:30:56 2010 +1000
i965: add support for ARB_half_float_vertex
enables the extension on i965 and adds support to the draw upload for
the vertex format.
Signed-off-by: Dave Airlie <airlied at redhat.com>
---
src/mesa/drivers/dri/i965/brw_draw_upload.c | 11 +++++++++++
src/mesa/drivers/dri/intel/intel_extensions.c | 1 +
2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c b/src/mesa/drivers/dri/i965/brw_draw_upload.c
index c773b71..6161de8 100644
--- a/src/mesa/drivers/dri/i965/brw_draw_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c
@@ -59,6 +59,14 @@ static GLuint float_types[5] = {
BRW_SURFACEFORMAT_R32G32B32A32_FLOAT
};
+static GLuint half_float_types[5] = {
+ 0,
+ BRW_SURFACEFORMAT_R16_FLOAT,
+ BRW_SURFACEFORMAT_R16G16_FLOAT,
+ 0, /* can't seem to render this one */
+ BRW_SURFACEFORMAT_R16G16B16A16_FLOAT
+};
+
static GLuint uint_types_norm[5] = {
0,
BRW_SURFACEFORMAT_R32_UNORM,
@@ -172,6 +180,7 @@ static GLuint get_surface_type( GLenum type, GLuint size,
switch (type) {
case GL_DOUBLE: return double_types[size];
case GL_FLOAT: return float_types[size];
+ case GL_HALF_FLOAT: return half_float_types[size];
case GL_INT: return int_types_norm[size];
case GL_SHORT: return short_types_norm[size];
case GL_BYTE: return byte_types_norm[size];
@@ -194,6 +203,7 @@ static GLuint get_surface_type( GLenum type, GLuint size,
switch (type) {
case GL_DOUBLE: return double_types[size];
case GL_FLOAT: return float_types[size];
+ case GL_HALF_FLOAT: return half_float_types[size];
case GL_INT: return int_types_scale[size];
case GL_SHORT: return short_types_scale[size];
case GL_BYTE: return byte_types_scale[size];
@@ -211,6 +221,7 @@ static GLuint get_size( GLenum type )
switch (type) {
case GL_DOUBLE: return sizeof(GLdouble);
case GL_FLOAT: return sizeof(GLfloat);
+ case GL_HALF_FLOAT: return sizeof(GLhalfARB);
case GL_INT: return sizeof(GLint);
case GL_SHORT: return sizeof(GLshort);
case GL_BYTE: return sizeof(GLbyte);
diff --git a/src/mesa/drivers/dri/intel/intel_extensions.c b/src/mesa/drivers/dri/intel/intel_extensions.c
index 5ac5ce1..6fdd22b 100644
--- a/src/mesa/drivers/dri/intel/intel_extensions.c
+++ b/src/mesa/drivers/dri/intel/intel_extensions.c
@@ -154,6 +154,7 @@ static const struct dri_extension brw_extensions[] = {
{ "GL_ARB_fragment_program_shadow", NULL },
{ "GL_ARB_fragment_shader", NULL },
{ "GL_ARB_framebuffer_object", GL_ARB_framebuffer_object_functions},
+ { "GL_ARB_half_float_vertex", NULL },
{ "GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions },
{ "GL_ARB_point_sprite", NULL },
{ "GL_ARB_seamless_cube_map", NULL },
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