From 5b27b4ad37bd992d2d3a6fd9d407277113544f30 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 21 May 2009 08:15:22 -0600 Subject: [PATCH] st: add support for GL_EXT_vertex_array_bgra --- src/mesa/state_tracker/st_draw.c | 13 ++++++++++++- src/mesa/state_tracker/st_draw.h | 3 ++- src/mesa/state_tracker/st_draw_feedback.c | 1 + src/mesa/state_tracker/st_extensions.c | 1 + 4 files changed, 16 insertions(+), 2 deletions(-) diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index 225541a30ba..8e036223c65 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -159,12 +159,21 @@ static GLuint fixed_types[4] = { * Return a PIPE_FORMAT_x for the given GL datatype and size. */ GLuint -st_pipe_vertex_format(GLenum type, GLuint size, GLboolean normalized) +st_pipe_vertex_format(GLenum type, GLuint size, GLenum format, + GLboolean normalized) { assert((type >= GL_BYTE && type <= GL_DOUBLE) || type == GL_FIXED); assert(size >= 1); assert(size <= 4); + assert(format == GL_RGBA || format == GL_BGRA); + + if (format == GL_BGRA) { + /* this is an odd-ball case */ + assert(type == GL_UNSIGNED_BYTE); + assert(normalized); + return PIPE_FORMAT_B8G8R8A8_UNORM; + } if (normalized) { switch (type) { @@ -392,6 +401,7 @@ setup_interleaved_attribs(GLcontext *ctx, velements[attr].src_format = st_pipe_vertex_format(arrays[mesaAttr]->Type, arrays[mesaAttr]->Size, + arrays[mesaAttr]->Format, arrays[mesaAttr]->Normalized); assert(velements[attr].src_format); } @@ -479,6 +489,7 @@ setup_non_interleaved_attribs(GLcontext *ctx, velements[attr].src_format = st_pipe_vertex_format(arrays[mesaAttr]->Type, arrays[mesaAttr]->Size, + arrays[mesaAttr]->Format, arrays[mesaAttr]->Normalized); assert(velements[attr].src_format); } diff --git a/src/mesa/state_tracker/st_draw.h b/src/mesa/state_tracker/st_draw.h index da04fce8e24..dcfe7e15361 100644 --- a/src/mesa/state_tracker/st_draw.h +++ b/src/mesa/state_tracker/st_draw.h @@ -62,7 +62,8 @@ st_feedback_draw_vbo(GLcontext *ctx, /* Internal function: */ extern GLuint -st_pipe_vertex_format(GLenum type, GLuint size, GLboolean normalized); +st_pipe_vertex_format(GLenum type, GLuint size, GLenum format, + GLboolean normalized); /** diff --git a/src/mesa/state_tracker/st_draw_feedback.c b/src/mesa/state_tracker/st_draw_feedback.c index 32502a9cda4..2712c131c0d 100644 --- a/src/mesa/state_tracker/st_draw_feedback.c +++ b/src/mesa/state_tracker/st_draw_feedback.c @@ -178,6 +178,7 @@ st_feedback_draw_vbo(GLcontext *ctx, velements[attr].src_format = st_pipe_vertex_format(arrays[mesaAttr]->Type, arrays[mesaAttr]->Size, + arrays[mesaAttr]->Format, arrays[mesaAttr]->Normalized); assert(velements[attr].src_format); diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index d526dfcf52e..efa88c2481f 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -167,6 +167,7 @@ void st_init_extensions(struct st_context *st) ctx->Extensions.EXT_texture_env_combine = GL_TRUE; ctx->Extensions.EXT_texture_env_dot3 = GL_TRUE; ctx->Extensions.EXT_texture_lod_bias = GL_TRUE; + ctx->Extensions.EXT_vertex_array_bgra = GL_TRUE; ctx->Extensions.APPLE_vertex_array_object = GL_TRUE; -- 2.30.2