aboutsummaryrefslogtreecommitdiffstats
path: root/src/mesa/state_tracker/st_cb_get.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/state_tracker/st_cb_get.c')
-rw-r--r--src/mesa/state_tracker/st_cb_get.c97
1 files changed, 0 insertions, 97 deletions
diff --git a/src/mesa/state_tracker/st_cb_get.c b/src/mesa/state_tracker/st_cb_get.c
deleted file mode 100644
index e7d7f03bc9b..00000000000
--- a/src/mesa/state_tracker/st_cb_get.c
+++ /dev/null
@@ -1,97 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-
-/**
- * glGet functions
- *
- * \author Brian Paul
- */
-
-#include "main/imports.h"
-#include "main/context.h"
-
-#include "pipe/p_defines.h"
-
-#include "st_cb_fbo.h"
-#include "st_cb_get.h"
-
-
-
-/**
- * Examine the current color read buffer format to determine
- * which GL pixel format/type combo is the best match.
- */
-static void
-get_preferred_read_format_type(GLcontext *ctx, GLint *format, GLint *type)
-{
- struct gl_framebuffer *fb = ctx->ReadBuffer;
- struct st_renderbuffer *strb = st_renderbuffer(fb->_ColorReadBuffer);
-
- /* defaults */
- *format = ctx->Const.ColorReadFormat;
- *type = ctx->Const.ColorReadType;
-
- if (strb) {
- /* XXX could add more cases here... */
- if (strb->format == PIPE_FORMAT_A8R8G8B8_UNORM) {
- *format = GL_BGRA;
- if (_mesa_little_endian())
- *type = GL_UNSIGNED_INT_8_8_8_8_REV;
- else
- *type = GL_UNSIGNED_INT_8_8_8_8;
- }
- }
-}
-
-
-/**
- * We only intercept the OES preferred ReadPixels format/type.
- * Everything else goes to the default _mesa_GetIntegerv.
- */
-static GLboolean
-st_GetIntegerv(GLcontext *ctx, GLenum pname, GLint *params)
-{
- GLint dummy;
-
- switch (pname) {
- case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
- get_preferred_read_format_type(ctx, &dummy, params);
- return GL_TRUE;
- case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
- get_preferred_read_format_type(ctx, params, &dummy);
- return GL_TRUE;
- default:
- return GL_FALSE;
- }
-}
-
-
-void st_init_get_functions(struct dd_function_table *functions)
-{
- functions->GetIntegerv = st_GetIntegerv;
-}