st/mesa: remove gl_renderbuffer:DataType assignments

That field is only used by swrast code so there's no reason to mess
with it in the gallium state tracker.

This also lets us remove the unused st_format_data() type function and
related code.
(cherry picked from commit ca6d86d26b1726b13baa21b73fe9d426f28370e2)

4 files changed, 0 insertions, 107 deletions

diff --git a/src/mesa/state_tracker/st_cb_eglimage.c b/src/mesa/state_tracker/st_cb_eglimage.c
index 5209fc795d3..e91e9142da7 100644
--- a/src/mesa/state_tracker/st_cb_eglimage.c
+++ b/src/mesa/state_tracker/st_cb_eglimage.c
@@ -86,7 +86,6 @@ st_egl_image_target_renderbuffer_storage(struct gl_context *ctx,
       strb->Base.Width = ps->width;
       strb->Base.Height = ps->height;
       strb->Base.Format = st_pipe_format_to_mesa_format(ps->format);
-      strb->Base.DataType = st_format_datatype(ps->format);
       strb->Base._BaseFormat = st_pipe_format_to_base_format(ps->format);
       strb->Base.InternalFormat = strb->Base._BaseFormat;
 
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index ec40a2b70c1..be9c365cde3 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -97,7 +97,6 @@ st_renderbuffer_alloc_storage(struct gl_context * ctx,
    strb->Base.Height = height;
    strb->Base.Format = st_pipe_format_to_mesa_format(format);
    strb->Base._BaseFormat = _mesa_base_fbo_format(ctx, internalFormat);
-   strb->Base.DataType = st_format_datatype(format);
    strb->format = format;
 
    strb->defined = GL_FALSE;  /* undefined contents now */
@@ -252,7 +251,6 @@ st_new_renderbuffer_fb(enum pipe_format format, int samples, boolean sw)
    strb->Base.NumSamples = samples;
    strb->Base.Format = st_pipe_format_to_mesa_format(format);
    strb->Base._BaseFormat = _mesa_get_format_base_format(strb->Base.Format);
-   strb->Base.DataType = st_format_datatype(format);
    strb->format = format;
    strb->software = sw;
    
@@ -425,7 +423,6 @@ st_render_texture(struct gl_context *ctx,
    strb->format = pt->format;
 
    strb->Base.Format = st_pipe_format_to_mesa_format(pt->format);
-   strb->Base.DataType = st_format_datatype(pt->format);
 
    /*
    printf("RENDER TO TEXTURE obj=%p pt=%p surf=%p  %d x %d\n",
diff --git a/src/mesa/state_tracker/st_format.c b/src/mesa/state_tracker/st_format.c
index 5f9ae91298f..c6e31753580 100644
--- a/src/mesa/state_tracker/st_format.c
+++ b/src/mesa/state_tracker/st_format.c
@@ -47,106 +47,6 @@
 #include "st_format.h"
 
 
-static GLuint
-format_max_bits(enum pipe_format format)
-{
-   GLuint size = util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0);
-
-   size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 1));
-   size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 2));
-   size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 3));
-   size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 0));
-   size = MAX2(size, util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 1));
-   return size;
-}
-
-
-/**
- * Return basic GL datatype for the given gallium format.
- */
-GLenum
-st_format_datatype(enum pipe_format format)
-{
-   const struct util_format_description *desc;
-   int i;
-
-   desc = util_format_description(format);
-   assert(desc);
-
-   /* Find the first non-VOID channel. */
-   for (i = 0; i < 4; i++) {
-       if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
-           break;
-       }
-   }
-
-   if (desc->layout == UTIL_FORMAT_LAYOUT_PLAIN) {
-      if (format == PIPE_FORMAT_B5G5R5A1_UNORM ||
-          format == PIPE_FORMAT_B5G6R5_UNORM) {
-         return GL_UNSIGNED_SHORT;
-      }
-      else if (format == PIPE_FORMAT_R11G11B10_FLOAT ||
-               format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
-         return GL_FLOAT;
-      }
-      else if (format == PIPE_FORMAT_Z24_UNORM_S8_UINT ||
-               format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
-               format == PIPE_FORMAT_Z24X8_UNORM ||
-               format == PIPE_FORMAT_X8Z24_UNORM) {
-         return GL_UNSIGNED_INT_24_8;
-      }
-      else if (format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT) {
-         return GL_FLOAT_32_UNSIGNED_INT_24_8_REV;
-      }
-      else {
-         const GLuint size = format_max_bits(format);
-
-         assert(i < 4);
-         if (i == 4)
-            return GL_NONE;
-
-         if (size == 8) {
-            if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED)
-               return GL_UNSIGNED_BYTE;
-            else
-               return GL_BYTE;
-         }
-         else if (size == 16) {
-            if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT)
-               return GL_HALF_FLOAT;
-            if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED)
-               return GL_UNSIGNED_SHORT;
-            else
-               return GL_SHORT;
-         }
-         else if (size <= 32) {
-            if (desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT)
-               return GL_FLOAT;
-            if (desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED)
-               return GL_UNSIGNED_INT;
-            else
-               return GL_INT;
-         }
-         else {
-            assert(size == 64);
-            assert(desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT);
-            return GL_DOUBLE;
-         }
-      }
-   }
-   else if (format == PIPE_FORMAT_UYVY) {
-      return GL_UNSIGNED_SHORT;
-   }
-   else if (format == PIPE_FORMAT_YUYV) {
-      return GL_UNSIGNED_SHORT;
-   }
-   else {
-      /* probably a compressed format, unsupported anyway */
-      return GL_NONE;
-   }
-}
-
-
 /**
  * Translate Mesa format to Gallium format.
  */
diff --git a/src/mesa/state_tracker/st_format.h b/src/mesa/state_tracker/st_format.h
index 10ffeaa7385..1dea0d9a5e7 100644
--- a/src/mesa/state_tracker/st_format.h
+++ b/src/mesa/state_tracker/st_format.h
@@ -39,9 +39,6 @@
 struct gl_context;
 struct pipe_screen;
 
-extern GLenum
-st_format_datatype(enum pipe_format format);
-
 
 extern enum pipe_format
 st_mesa_format_to_pipe_format(gl_format mesaFormat);