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authorDave Airlie <airlied@linux.ie>2010-01-18 16:30:56 +1000
committerDave Airlie <airlied@redhat.com>2010-01-23 12:28:32 +1000
commit96f2f0daeadd5bd2d8433e31a1b122c2bd709390 (patch)
tree774a8889e5381555bcf5f47598efa075fd766328
parentcfe884e2030466df673881da8e830c300dda40db (diff)
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@redhat.com>
-rw-r--r--src/mesa/drivers/dri/i965/brw_draw_upload.c11
-rw-r--r--src/mesa/drivers/dri/intel/intel_extensions.c1
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 c773b71507..6161de8a84 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 5ac5ce10af..6fdd22b9e9 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 },