Mesa (master): mesa: implement generatemipmap for GL_FLOAT_32_UNSIGNED_INT_24_8_REV

[Marek Olšák]

Module: Mesa
Branch: master
Commit: bde6a044588401ebbd14881cd5621095c221f0a5
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=bde6a044588401ebbd14881cd5621095c221f0a5

Author: Marek Olšák <maraeo at gmail.com>
Date:   Tue Jun 21 14:18:25 2011 +0200

mesa: implement generatemipmap for GL_FLOAT_32_UNSIGNED_INT_24_8_REV

Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>

---

 src/mesa/main/mipmap.c |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c
index f2724db..8a811cb 100644
--- a/src/mesa/main/mipmap.c
+++ b/src/mesa/main/mipmap.c
@@ -706,6 +706,17 @@ do_row(GLenum datatype, GLuint comps, GLint srcWidth,
       }
    }
 
+   else if (datatype == GL_FLOAT_32_UNSIGNED_INT_24_8_REV && comps == 1) {
+      GLuint i, j, k;
+      const GLfloat *rowA = (const GLfloat *) srcRowA;
+      const GLfloat *rowB = (const GLfloat *) srcRowB;
+      GLfloat *dst = (GLfloat *) dstRow;
+      for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+           i++, j += colStride, k += colStride) {
+         dst[i*2] = (rowA[j*2] + rowA[k*2] + rowB[j*2] + rowB[k*2]) * 0.25F;
+      }
+   }
+
    else {
       _mesa_problem(NULL, "bad format in do_row()");
    }
@@ -1341,6 +1352,15 @@ do_row_3D(GLenum datatype, GLuint comps, GLint srcWidth,
       }
    }
 
+   else if (datatype == GL_FLOAT_32_UNSIGNED_INT_24_8_REV && comps == 1) {
+      DECLARE_ROW_POINTERS(GLfloat, 2);
+
+      for (i = j = 0, k = k0; i < (GLuint) dstWidth;
+           i++, j += colStride, k += colStride) {
+         FILTER_F_3D(0);
+      }
+   }
+
    else {
       _mesa_problem(NULL, "bad format in do_row()");
    }