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i965: add support for ARB_half_float_vertex

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enables the extension on i965 and adds support to the draw upload for
the vertex format.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2010-01-18 16:30:56 +10:00 • committed by Dave Airlie
parent cfe884e203
commit 96f2f0daea
2 changed files with 12 additions and 0 deletions
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11
src/mesa/drivers/dri/i965/brw_draw_upload.c
View file

@ -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);

1
src/mesa/drivers/dri/intel/intel_extensions.c
View file

@ -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 },