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author | marha <marha@users.sourceforge.net> | 2011-01-29 18:43:24 +0000 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2011-01-29 18:43:24 +0000 |
commit | cacf23d832a26e35851c9cc666304ac72cf8fe34 (patch) | |
tree | 025ba144495071f7066d80cb6400cd990276b754 /mesalib/src/mesa/state_tracker/st_texture.c | |
parent | c4d402326310d620866b1ad82ef0691526e2c311 (diff) | |
download | vcxsrv-cacf23d832a26e35851c9cc666304ac72cf8fe34.tar.gz vcxsrv-cacf23d832a26e35851c9cc666304ac72cf8fe34.tar.bz2 vcxsrv-cacf23d832a26e35851c9cc666304ac72cf8fe34.zip |
libXext libfontenc libXau libX11 libXinerama mesa libXdmcp git update 28 jan 2011
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_texture.c')
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_texture.c | 94 |
1 files changed, 88 insertions, 6 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_texture.c b/mesalib/src/mesa/state_tracker/st_texture.c index 4d4b238ef..0d5dc8140 100644 --- a/mesalib/src/mesa/state_tracker/st_texture.c +++ b/mesalib/src/mesa/state_tracker/st_texture.c @@ -59,6 +59,7 @@ st_texture_create(struct st_context *st, GLuint width0,
GLuint height0,
GLuint depth0,
+ GLuint layers,
GLuint bind )
{
struct pipe_resource pt, *newtex;
@@ -68,6 +69,8 @@ st_texture_create(struct st_context *st, assert(width0 > 0);
assert(height0 > 0);
assert(depth0 > 0);
+ if (target == PIPE_TEXTURE_CUBE)
+ assert(layers == 6);
DBG("%s target %s format %s last_level %d\n", __FUNCTION__,
_mesa_lookup_enum_by_nr(target),
@@ -84,7 +87,7 @@ st_texture_create(struct st_context *st, pt.width0 = width0;
pt.height0 = height0;
pt.depth0 = depth0;
- pt.array_size = (target == PIPE_TEXTURE_CUBE ? 6 : 1);
+ pt.array_size = (target == PIPE_TEXTURE_CUBE ? 6 : layers);
pt.usage = PIPE_USAGE_DEFAULT;
pt.bind = bind;
pt.flags = 0;
@@ -98,6 +101,72 @@ st_texture_create(struct st_context *st, /**
+ * In OpenGL the number of 1D array texture layers is the "height" and
+ * the number of 2D array texture layers is the "depth". In Gallium the
+ * number of layers in an array texture is a separate 'array_size' field.
+ * This function converts dimensions from the former to the later.
+ */
+void
+st_gl_texture_dims_to_pipe_dims(GLenum texture,
+ GLuint widthIn,
+ GLuint heightIn,
+ GLuint depthIn,
+ GLuint *widthOut,
+ GLuint *heightOut,
+ GLuint *depthOut,
+ GLuint *layersOut)
+{
+ switch (texture) {
+ case GL_TEXTURE_1D:
+ assert(heightIn == 1);
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = 1;
+ *depthOut = 1;
+ *layersOut = 1;
+ break;
+ case GL_TEXTURE_1D_ARRAY:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = 1;
+ *depthOut = 1;
+ *layersOut = heightIn;
+ break;
+ case GL_TEXTURE_2D:
+ case GL_TEXTURE_RECTANGLE:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = 1;
+ break;
+ case GL_TEXTURE_CUBE_MAP:
+ assert(depthIn == 1);
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = 6;
+ break;
+ case GL_TEXTURE_2D_ARRAY:
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = 1;
+ *layersOut = depthIn;
+ break;
+ default:
+ assert(0 && "Unexpected texture in st_gl_texture_dims_to_pipe_dims()");
+ /* fall-through */
+ case GL_TEXTURE_3D:
+ *widthOut = widthIn;
+ *heightOut = heightIn;
+ *depthOut = depthIn;
+ *layersOut = 1;
+ break;
+ }
+}
+
+
+/**
* Check if a texture image can be pulled into a unified mipmap texture.
*/
GLboolean
@@ -105,6 +174,8 @@ st_texture_match_image(const struct pipe_resource *pt, const struct gl_texture_image *image,
GLuint face, GLuint level)
{
+ GLuint ptWidth, ptHeight, ptDepth, ptLayers;
+
/* Images with borders are never pulled into mipmap textures.
*/
if (image->Border)
@@ -115,12 +186,17 @@ st_texture_match_image(const struct pipe_resource *pt, if (st_mesa_format_to_pipe_format(image->TexFormat) != pt->format)
return GL_FALSE;
+ st_gl_texture_dims_to_pipe_dims(image->TexObject->Target,
+ image->Width, image->Height, image->Depth,
+ &ptWidth, &ptHeight, &ptDepth, &ptLayers);
+
/* Test if this image's size matches what's expected in the
* established texture.
*/
- if (image->Width != u_minify(pt->width0, level) ||
- image->Height != u_minify(pt->height0, level) ||
- image->Depth != u_minify(pt->depth0, level))
+ if (ptWidth != u_minify(pt->width0, level) ||
+ ptHeight != u_minify(pt->height0, level) ||
+ ptDepth != u_minify(pt->depth0, level) ||
+ ptLayers != pt->array_size)
return GL_FALSE;
return GL_TRUE;
@@ -212,14 +288,20 @@ st_texture_image_data(struct st_context *st, GLuint src_row_stride, GLuint src_image_stride)
{
struct pipe_context *pipe = st->pipe;
- GLuint depth = u_minify(dst->depth0, level);
GLuint i;
const GLubyte *srcUB = src;
struct pipe_transfer *dst_transfer;
+ GLuint layers;
+
+ if (dst->target == PIPE_TEXTURE_1D_ARRAY ||
+ dst->target == PIPE_TEXTURE_2D_ARRAY)
+ layers = dst->array_size;
+ else
+ layers = u_minify(dst->depth0, level);
DBG("%s\n", __FUNCTION__);
- for (i = 0; i < depth; i++) {
+ for (i = 0; i < layers; i++) {
dst_transfer = pipe_get_transfer(st->pipe, dst, level, face + i,
PIPE_TRANSFER_WRITE, 0, 0,
u_minify(dst->width0, level),
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