aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa/state_tracker
diff options
context:
space:
mode:
authormarha <marha@users.sourceforge.net>2012-11-19 10:47:23 +0100
committermarha <marha@users.sourceforge.net>2012-11-19 10:47:23 +0100
commitb3e1e62c45f525cdd332073aaa34d8452cb23374 (patch)
tree221ee6420074033279921fadc971d30d63d6847b /mesalib/src/mesa/state_tracker
parentb142593315b909b9e202f0f4585b96bf2e74b9db (diff)
downloadvcxsrv-b3e1e62c45f525cdd332073aaa34d8452cb23374.tar.gz
vcxsrv-b3e1e62c45f525cdd332073aaa34d8452cb23374.tar.bz2
vcxsrv-b3e1e62c45f525cdd332073aaa34d8452cb23374.zip
git update 19 nov 2012
fontconfig: c20ac78b01df3f0919352bba16b5b48b3b5d4d6d libxcb: 76a2166de9c80b35f987fdc3f3a228bafa0de94e mesa: ddb901fbf4489ffcd85d3320f23913eb1d4fbdfe pixman: 44dd746bb68625b2f6be77c3f80292b45defe9d7 xserver: 6a6c3afe71ac82a93d9fd0034dd5bbdcf0eae1ea xkeyboard-config: 709e05c069428236ca2567e784c9971eecc8ca50
Diffstat (limited to 'mesalib/src/mesa/state_tracker')
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_texture.c100
-rw-r--r--mesalib/src/mesa/state_tracker/st_gen_mipmap.c28
2 files changed, 53 insertions, 75 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_texture.c b/mesalib/src/mesa/state_tracker/st_cb_texture.c
index b2711c342..f06814f9c 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_texture.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_texture.c
@@ -253,37 +253,6 @@ default_bindings(struct st_context *st, enum pipe_format format)
}
-/** Return number of image dimensions (1, 2 or 3) for a texture target. */
-static GLuint
-get_texture_dims(GLenum target)
-{
- switch (target) {
- case GL_TEXTURE_1D:
- case GL_TEXTURE_1D_ARRAY_EXT:
- case GL_TEXTURE_BUFFER:
- return 1;
- case GL_TEXTURE_2D:
- case GL_TEXTURE_CUBE_MAP_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB:
- case GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB:
- case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB:
- case GL_TEXTURE_RECTANGLE_NV:
- case GL_TEXTURE_2D_ARRAY_EXT:
- case GL_TEXTURE_EXTERNAL_OES:
- return 2;
- case GL_TEXTURE_3D:
- case GL_TEXTURE_CUBE_MAP_ARRAY:
- return 3;
- default:
- assert(0 && "invalid texture target in get_texture_dims()");
- return 1;
- }
-}
-
-
/**
* Given the size of a mipmap image, try to compute the size of the level=0
* mipmap image.
@@ -298,32 +267,57 @@ guess_base_level_size(GLenum target,
GLuint width, GLuint height, GLuint depth, GLuint level,
GLuint *width0, GLuint *height0, GLuint *depth0)
{
- const GLuint dims = get_texture_dims(target);
-
assert(width >= 1);
assert(height >= 1);
assert(depth >= 1);
if (level > 0) {
- /* Depending on the image's size, we can't always make a guess here */
- if ((dims >= 1 && width == 1) ||
- (dims >= 2 && height == 1) ||
- (dims >= 3 && depth == 1)) {
- /* we can't determine the image size at level=0 */
- return GL_FALSE;
- }
+ /* Guess the size of the base level.
+ * Depending on the image's size, we can't always make a guess here.
+ */
+ switch (target) {
+ case GL_TEXTURE_1D:
+ case GL_TEXTURE_1D_ARRAY:
+ width <<= level;
+ break;
+
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_2D_ARRAY:
+ /* We can't make a good guess here, because the base level dimensions
+ * can be non-square.
+ */
+ if (width == 1 || height == 1) {
+ return GL_FALSE;
+ }
+ width <<= level;
+ height <<= level;
+ break;
+
+ case GL_TEXTURE_CUBE_MAP:
+ case GL_TEXTURE_CUBE_MAP_ARRAY:
+ width <<= level;
+ height <<= level;
+ break;
+
+ case GL_TEXTURE_3D:
+ /* We can't make a good guess here, because the base level dimensions
+ * can be non-cube.
+ */
+ if (width == 1 || height == 1 || depth == 1) {
+ return GL_FALSE;
+ }
+ width <<= level;
+ height <<= level;
+ depth <<= level;
+ break;
+
+ case GL_TEXTURE_RECTANGLE:
+ break;
- /* grow the image size until we hit level = 0 */
- while (level > 0) {
- if (width > 1)
- width <<= 1;
- if (height > 1)
- height <<= 1;
- if (depth > 1)
- depth <<= 1;
- level--;
+ default:
+ assert(0);
}
- }
+ }
*width0 = width;
*height0 = height;
@@ -390,10 +384,8 @@ guess_and_alloc_texture(struct st_context *st,
}
else {
/* alloc space for a full mipmap */
- GLuint l2width = util_logbase2(width);
- GLuint l2height = util_logbase2(height);
- GLuint l2depth = util_logbase2(depth);
- lastLevel = MAX2(MAX2(l2width, l2height), l2depth);
+ lastLevel = _mesa_get_tex_max_num_levels(stObj->base.Target,
+ width, height, depth) - 1;
}
/* Save the level=0 dimensions */
diff --git a/mesalib/src/mesa/state_tracker/st_gen_mipmap.c b/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
index 889200686..c09261312 100644
--- a/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/mesalib/src/mesa/state_tracker/st_gen_mipmap.c
@@ -121,30 +121,16 @@ compute_num_levels(struct gl_context *ctx,
struct gl_texture_object *texObj,
GLenum target)
{
- if (target == GL_TEXTURE_RECTANGLE_ARB) {
- return 1;
- }
- else {
- const struct gl_texture_image *baseImage =
- _mesa_get_tex_image(ctx, texObj, target, texObj->BaseLevel);
- GLuint size, numLevels;
+ const struct gl_texture_image *baseImage;
+ GLuint numLevels;
- size = MAX2(baseImage->Width2, baseImage->Height2);
- size = MAX2(size, baseImage->Depth2);
+ baseImage = _mesa_get_tex_image(ctx, texObj, target, texObj->BaseLevel);
- numLevels = texObj->BaseLevel;
-
- while (size > 0) {
- numLevels++;
- size >>= 1;
- }
+ numLevels = texObj->BaseLevel + baseImage->MaxNumLevels;
+ numLevels = MIN2(numLevels, texObj->MaxLevel + 1);
+ assert(numLevels >= 1);
- numLevels = MIN2(numLevels, texObj->MaxLevel + 1);
-
- assert(numLevels >= 1);
-
- return numLevels;
- }
+ return numLevels;
}