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authorBrian Paul <brianp@vmware.com>2009-09-01 17:12:47 -0600
committerBrian Paul <brianp@vmware.com>2009-09-01 17:39:32 -0600
commit29e22059a927a6279d035cdb149b053f8a3e0bf4 (patch)
tree1261be4abda553e02e069e57db7de9a815036ee7 /src/mesa/drivers
parentd5b6dd0001c90b896400e69067d21297d7601f32 (diff)
intel: use _mesa_expand_bitmap() to skip an intermediate buffer
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r--src/mesa/drivers/dri/intel/intel_pixel_bitmap.c27
1 files changed, 6 insertions, 21 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
index 540e7620a9..b543a0bbc3 100644
--- a/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
+++ b/src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
@@ -93,19 +93,12 @@ static const GLubyte *map_pbo( GLcontext *ctx,
return ADD_POINTERS(buf, bitmap);
}
-static GLboolean test_bit( const GLubyte *src,
- GLuint bit )
+static GLboolean test_bit( const GLubyte *src, GLuint bit )
{
return (src[bit/8] & (1<<(bit % 8))) ? 1 : 0;
}
-static GLboolean test_msb_bit(const GLubyte *src, GLuint bit)
-{
- return (src[bit/8] & (1<<(7 - (bit % 8)))) ? 1 : 0;
-}
-
-static void set_bit( GLubyte *dest,
- GLuint bit )
+static void set_bit( GLubyte *dest, GLuint bit )
{
dest[bit/8] |= 1 << (bit % 8);
}
@@ -365,9 +358,7 @@ intel_texture_bitmap(GLcontext * ctx,
GLuint texname;
GLfloat vertices[4][4];
GLint old_active_texture;
- GLubyte *unpacked_bitmap;
GLubyte *a8_bitmap;
- int x, y;
GLfloat dst_z;
/* We need a fragment program for the KIL effect */
@@ -427,22 +418,16 @@ intel_texture_bitmap(GLcontext * ctx,
return GL_FALSE;
}
- /* Convert the A1 bitmap to an A8 format suitable for glTexImage */
if (unpack->BufferObj->Name) {
bitmap = map_pbo(ctx, width, height, unpack, bitmap);
if (bitmap == NULL)
return GL_TRUE; /* even though this is an error, we're done */
}
- unpacked_bitmap = _mesa_unpack_bitmap(width, height, bitmap,
- unpack);
+
+ /* Convert the A1 bitmap to an A8 format suitable for glTexImage */
a8_bitmap = _mesa_calloc(width * height);
- for (y = 0; y < height; y++) {
- for (x = 0; x < width; x++) {
- if (test_msb_bit(unpacked_bitmap, ALIGN(width, 8) * y + x))
- a8_bitmap[y * width + x] = 0xff;
- }
- }
- _mesa_free(unpacked_bitmap);
+ _mesa_expand_bitmap(width, height, unpack, bitmap, a8_bitmap, width, 0xff);
+
if (unpack->BufferObj->Name) {
/* done with PBO so unmap it now */
ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,