diff options
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_draw_upload.c | 20 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_context.c | 1 |
2 files changed, 19 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c b/src/mesa/drivers/dri/i965/brw_draw_upload.c index 73d6dea01ee..f89c0c2ba48 100644 --- a/src/mesa/drivers/dri/i965/brw_draw_upload.c +++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c @@ -156,7 +156,13 @@ static GLuint byte_types_scale[5] = { }; -static GLuint get_surface_type( GLenum type, GLuint size, GLboolean normalized ) +/** + * Given vertex array type/size/format/normalized info, return + * the appopriate hardware surface type. + * Format will be GL_RGBA or possibly GL_BGRA for GLubyte[4] color arrays. + */ +static GLuint get_surface_type( GLenum type, GLuint size, + GLenum format, GLboolean normalized ) { if (INTEL_DEBUG & DEBUG_VERTS) _mesa_printf("type %s size %d normalized %d\n", @@ -171,11 +177,20 @@ static GLuint get_surface_type( GLenum type, GLuint size, GLboolean normalized ) case GL_BYTE: return byte_types_norm[size]; case GL_UNSIGNED_INT: return uint_types_norm[size]; case GL_UNSIGNED_SHORT: return ushort_types_norm[size]; - case GL_UNSIGNED_BYTE: return ubyte_types_norm[size]; + case GL_UNSIGNED_BYTE: + if (format == GL_BGRA) { + /* See GL_EXT_vertex_array_bgra */ + assert(size == 4); + return BRW_SURFACEFORMAT_B8G8R8A8_UNORM; + } + else { + return ubyte_types_norm[size]; + } default: assert(0); return 0; } } else { + assert(format == GL_RGBA); /* sanity check */ switch (type) { case GL_DOUBLE: return double_types[size]; case GL_FLOAT: return float_types[size]; @@ -484,6 +499,7 @@ static void brw_emit_vertices(struct brw_context *brw) struct brw_vertex_element *input = enabled[i]; uint32_t format = get_surface_type(input->glarray->Type, input->glarray->Size, + input->glarray->Format, input->glarray->Normalized); uint32_t comp0 = BRW_VE1_COMPONENT_STORE_SRC; uint32_t comp1 = BRW_VE1_COMPONENT_STORE_SRC; diff --git a/src/mesa/drivers/dri/intel/intel_context.c b/src/mesa/drivers/dri/intel/intel_context.c index e080594ee42..a68e2176471 100644 --- a/src/mesa/drivers/dri/intel/intel_context.c +++ b/src/mesa/drivers/dri/intel/intel_context.c @@ -416,6 +416,7 @@ static const struct dri_extension brw_extensions[] = { { "GL_EXT_shadow_funcs", NULL }, { "GL_EXT_stencil_two_side", GL_EXT_stencil_two_side_functions }, { "GL_EXT_texture_sRGB", NULL }, + { "GL_EXT_vertex_array_bgra", NULL }, { "GL_ATI_separate_stencil", GL_ATI_separate_stencil_functions }, { "GL_ATI_texture_env_combine3", NULL }, { NULL, NULL } |