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Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_tex_format.c')
-rw-r--r--src/mesa/drivers/dri/intel/intel_tex_format.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_tex_format.c b/src/mesa/drivers/dri/intel/intel_tex_format.c
index f8316ae2f8d..c9763c9ae16 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_format.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_format.c
@@ -4,6 +4,39 @@
#include "main/formats.h"
/**
+ * Returns the renderbuffer DataType for a MESA_FORMAT.
+ */
+GLenum
+intel_mesa_format_to_rb_datatype(gl_format format)
+{
+ switch (format) {
+ case MESA_FORMAT_ARGB8888:
+ case MESA_FORMAT_XRGB8888:
+ case MESA_FORMAT_SARGB8:
+ case MESA_FORMAT_R8:
+ case MESA_FORMAT_RG88:
+ case MESA_FORMAT_A8:
+ case MESA_FORMAT_AL88:
+ case MESA_FORMAT_RGB565:
+ case MESA_FORMAT_ARGB1555:
+ case MESA_FORMAT_ARGB4444:
+ return GL_UNSIGNED_BYTE;
+ case MESA_FORMAT_R16:
+ case MESA_FORMAT_RG1616:
+ case MESA_FORMAT_Z16:
+ return GL_UNSIGNED_SHORT;
+ case MESA_FORMAT_X8_Z24:
+ return GL_UNSIGNED_INT;
+ case MESA_FORMAT_S8_Z24:
+ return GL_UNSIGNED_INT_24_8_EXT;
+ default:
+ _mesa_problem(NULL, "unexpected MESA_FORMAT for renderbuffer");
+ return GL_UNSIGNED_BYTE;
+ }
+}
+
+
+/**
* Choose hardware texture format given the user's glTexImage parameters.
*
* It works out that this function is fine for all the supported