diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_texture.h')
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_texture.h | 468 |
1 files changed, 234 insertions, 234 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_texture.h b/mesalib/src/mesa/state_tracker/st_texture.h index 50b7284e7..fb1071fc3 100644 --- a/mesalib/src/mesa/state_tracker/st_texture.h +++ b/mesalib/src/mesa/state_tracker/st_texture.h @@ -1,234 +1,234 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#ifndef ST_TEXTURE_H -#define ST_TEXTURE_H - - -#include "pipe/p_context.h" -#include "util/u_sampler.h" - -#include "main/mtypes.h" - - -struct pipe_resource; - - -/** - * Subclass of gl_texure_image. - */ -struct st_texture_image -{ - struct gl_texture_image base; - - /* If stImage->pt != NULL, image data is stored here. - * Else if stImage->base.Data != NULL, image is stored there. - * Else there is no image data. - */ - struct pipe_resource *pt; - - struct pipe_transfer *transfer; -}; - - -/** - * Subclass of gl_texure_object. - */ -struct st_texture_object -{ - struct gl_texture_object base; /* The "parent" object */ - - /* The texture must include at levels [0..lastLevel] once validated: - */ - GLuint lastLevel; - - /** The size of the level=0 mipmap image. - * Note that the number of 1D array layers will be in height0 and the - * number of 2D array layers will be in depth0, as in GL. - */ - GLuint width0, height0, depth0; - - /* On validation any active images held in main memory or in other - * textures will be copied to this texture and the old storage freed. - */ - struct pipe_resource *pt; - - /* Default sampler view attached to this texture object. Created lazily - * on first binding. - */ - struct pipe_sampler_view *sampler_view; - - /* True if there is/was a surface bound to this texture object. It helps - * track whether the texture object is surface based or not. - */ - GLboolean surface_based; -}; - - -static INLINE struct st_texture_image * -st_texture_image(struct gl_texture_image *img) -{ - return (struct st_texture_image *) img; -} - -static INLINE struct st_texture_object * -st_texture_object(struct gl_texture_object *obj) -{ - return (struct st_texture_object *) obj; -} - - -static INLINE struct pipe_resource * -st_get_texobj_resource(struct gl_texture_object *texObj) -{ - struct st_texture_object *stObj = st_texture_object(texObj); - return stObj ? stObj->pt : NULL; -} - - -static INLINE struct pipe_resource * -st_get_stobj_resource(struct st_texture_object *stObj) -{ - return stObj ? stObj->pt : NULL; -} - - -static INLINE struct pipe_sampler_view * -st_create_texture_sampler_view(struct pipe_context *pipe, - struct pipe_resource *texture) -{ - struct pipe_sampler_view templ; - - u_sampler_view_default_template(&templ, texture, texture->format); - - return pipe->create_sampler_view(pipe, texture, &templ); -} - - -static INLINE struct pipe_sampler_view * -st_create_texture_sampler_view_format(struct pipe_context *pipe, - struct pipe_resource *texture, - enum pipe_format format) -{ - struct pipe_sampler_view templ; - - u_sampler_view_default_template(&templ, texture, format); - - return pipe->create_sampler_view(pipe, texture, &templ); -} - - -static INLINE struct pipe_sampler_view * -st_get_texture_sampler_view(struct st_texture_object *stObj, - struct pipe_context *pipe) -{ - if (!stObj || !stObj->pt) { - return NULL; - } - - if (!stObj->sampler_view) { - stObj->sampler_view = st_create_texture_sampler_view(pipe, stObj->pt); - } - - return stObj->sampler_view; -} - - -extern struct pipe_resource * -st_texture_create(struct st_context *st, - enum pipe_texture_target target, - enum pipe_format format, - GLuint last_level, - GLuint width0, - GLuint height0, - GLuint depth0, - GLuint layers, - GLuint tex_usage ); - - -extern void -st_gl_texture_dims_to_pipe_dims(GLenum texture, - GLuint widthIn, - GLuint heightIn, - GLuint depthIn, - GLuint *widthOut, - GLuint *heightOut, - GLuint *depthOut, - GLuint *layersOut); - -/* Check if an image fits into an existing texture object. - */ -extern GLboolean -st_texture_match_image(const struct pipe_resource *pt, - const struct gl_texture_image *image, - GLuint face, GLuint level); - -/* Return a pointer to an image within a texture. Return image stride as - * well. - */ -extern GLubyte * -st_texture_image_map(struct st_context *st, - struct st_texture_image *stImage, - GLuint zoffset, - enum pipe_transfer_usage usage, - unsigned x, unsigned y, - unsigned w, unsigned h); - -extern void -st_texture_image_unmap(struct st_context *st, - struct st_texture_image *stImage); - - -/* Return pointers to each 2d slice within an image. Indexed by depth - * value. - */ -extern const GLuint * -st_texture_depth_offsets(struct pipe_resource *pt, GLuint level); - - -/* Upload an image into a texture - */ -extern void -st_texture_image_data(struct st_context *st, - struct pipe_resource *dst, - GLuint face, GLuint level, void *src, - GLuint src_row_pitch, GLuint src_image_pitch); - - -/* Copy an image between two textures - */ -extern void -st_texture_image_copy(struct pipe_context *pipe, - struct pipe_resource *dst, GLuint dstLevel, - struct pipe_resource *src, GLuint srcLevel, - GLuint face); - - -extern struct pipe_resource * -st_create_color_map_texture(struct gl_context *ctx); - -#endif +/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#ifndef ST_TEXTURE_H
+#define ST_TEXTURE_H
+
+
+#include "pipe/p_context.h"
+#include "util/u_sampler.h"
+
+#include "main/mtypes.h"
+
+
+struct pipe_resource;
+
+
+/**
+ * Subclass of gl_texure_image.
+ */
+struct st_texture_image
+{
+ struct gl_texture_image base;
+
+ /* If stImage->pt != NULL, image data is stored here.
+ * Else if stImage->base.Data != NULL, image is stored there.
+ * Else there is no image data.
+ */
+ struct pipe_resource *pt;
+
+ struct pipe_transfer *transfer;
+};
+
+
+/**
+ * Subclass of gl_texure_object.
+ */
+struct st_texture_object
+{
+ struct gl_texture_object base; /* The "parent" object */
+
+ /* The texture must include at levels [0..lastLevel] once validated:
+ */
+ GLuint lastLevel;
+
+ /** The size of the level=0 mipmap image.
+ * Note that the number of 1D array layers will be in height0 and the
+ * number of 2D array layers will be in depth0, as in GL.
+ */
+ GLuint width0, height0, depth0;
+
+ /* On validation any active images held in main memory or in other
+ * textures will be copied to this texture and the old storage freed.
+ */
+ struct pipe_resource *pt;
+
+ /* Default sampler view attached to this texture object. Created lazily
+ * on first binding.
+ */
+ struct pipe_sampler_view *sampler_view;
+
+ /* True if there is/was a surface bound to this texture object. It helps
+ * track whether the texture object is surface based or not.
+ */
+ GLboolean surface_based;
+};
+
+
+static INLINE struct st_texture_image *
+st_texture_image(struct gl_texture_image *img)
+{
+ return (struct st_texture_image *) img;
+}
+
+static INLINE struct st_texture_object *
+st_texture_object(struct gl_texture_object *obj)
+{
+ return (struct st_texture_object *) obj;
+}
+
+
+static INLINE struct pipe_resource *
+st_get_texobj_resource(struct gl_texture_object *texObj)
+{
+ struct st_texture_object *stObj = st_texture_object(texObj);
+ return stObj ? stObj->pt : NULL;
+}
+
+
+static INLINE struct pipe_resource *
+st_get_stobj_resource(struct st_texture_object *stObj)
+{
+ return stObj ? stObj->pt : NULL;
+}
+
+
+static INLINE struct pipe_sampler_view *
+st_create_texture_sampler_view(struct pipe_context *pipe,
+ struct pipe_resource *texture)
+{
+ struct pipe_sampler_view templ;
+
+ u_sampler_view_default_template(&templ, texture, texture->format);
+
+ return pipe->create_sampler_view(pipe, texture, &templ);
+}
+
+
+static INLINE struct pipe_sampler_view *
+st_create_texture_sampler_view_format(struct pipe_context *pipe,
+ struct pipe_resource *texture,
+ enum pipe_format format)
+{
+ struct pipe_sampler_view templ;
+
+ u_sampler_view_default_template(&templ, texture, format);
+
+ return pipe->create_sampler_view(pipe, texture, &templ);
+}
+
+
+static INLINE struct pipe_sampler_view *
+st_get_texture_sampler_view(struct st_texture_object *stObj,
+ struct pipe_context *pipe)
+{
+ if (!stObj || !stObj->pt) {
+ return NULL;
+ }
+
+ if (!stObj->sampler_view) {
+ stObj->sampler_view = st_create_texture_sampler_view(pipe, stObj->pt);
+ }
+
+ return stObj->sampler_view;
+}
+
+
+extern struct pipe_resource *
+st_texture_create(struct st_context *st,
+ enum pipe_texture_target target,
+ enum pipe_format format,
+ GLuint last_level,
+ GLuint width0,
+ GLuint height0,
+ GLuint depth0,
+ GLuint layers,
+ GLuint tex_usage );
+
+
+extern void
+st_gl_texture_dims_to_pipe_dims(GLenum texture,
+ GLuint widthIn,
+ GLuint heightIn,
+ GLuint depthIn,
+ GLuint *widthOut,
+ GLuint *heightOut,
+ GLuint *depthOut,
+ GLuint *layersOut);
+
+/* Check if an image fits into an existing texture object.
+ */
+extern GLboolean
+st_texture_match_image(const struct pipe_resource *pt,
+ const struct gl_texture_image *image,
+ GLuint face, GLuint level);
+
+/* Return a pointer to an image within a texture. Return image stride as
+ * well.
+ */
+extern GLubyte *
+st_texture_image_map(struct st_context *st,
+ struct st_texture_image *stImage,
+ GLuint zoffset,
+ enum pipe_transfer_usage usage,
+ unsigned x, unsigned y,
+ unsigned w, unsigned h);
+
+extern void
+st_texture_image_unmap(struct st_context *st,
+ struct st_texture_image *stImage);
+
+
+/* Return pointers to each 2d slice within an image. Indexed by depth
+ * value.
+ */
+extern const GLuint *
+st_texture_depth_offsets(struct pipe_resource *pt, GLuint level);
+
+
+/* Upload an image into a texture
+ */
+extern void
+st_texture_image_data(struct st_context *st,
+ struct pipe_resource *dst,
+ GLuint face, GLuint level, void *src,
+ GLuint src_row_pitch, GLuint src_image_pitch);
+
+
+/* Copy an image between two textures
+ */
+extern void
+st_texture_image_copy(struct pipe_context *pipe,
+ struct pipe_resource *dst, GLuint dstLevel,
+ struct pipe_resource *src, GLuint srcLevel,
+ GLuint face);
+
+
+extern struct pipe_resource *
+st_create_color_map_texture(struct gl_context *ctx);
+
+#endif
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