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-rw-r--r--src/mesa/drivers/dri/i915pipe/intel_fbo.c2
-rw-r--r--src/mesa/drivers/dri/intel/intel_tex_layout.c2
-rw-r--r--src/mesa/pipe/p_context.h15
-rw-r--r--src/mesa/pipe/p_state.h45
-rw-r--r--src/mesa/pipe/softpipe/sp_context.c1
-rw-r--r--src/mesa/pipe/softpipe/sp_surface.c42
-rw-r--r--src/mesa/pipe/softpipe/sp_surface.h6
7 files changed, 86 insertions, 27 deletions
diff --git a/src/mesa/drivers/dri/i915pipe/intel_fbo.c b/src/mesa/drivers/dri/i915pipe/intel_fbo.c
index a53563f52b..0b6c6a94ee 100644
--- a/src/mesa/drivers/dri/i915pipe/intel_fbo.c
+++ b/src/mesa/drivers/dri/i915pipe/intel_fbo.c
@@ -578,7 +578,9 @@ intel_render_texture(GLcontext * ctx,
}
/* store that offset in the region */
+#if 0
st_image->mt->region->draw_offset = imageOffset;
+#endif
/* update drawing region, etc */
intel_draw_buffer(ctx, fb);
diff --git a/src/mesa/drivers/dri/intel/intel_tex_layout.c b/src/mesa/drivers/dri/intel/intel_tex_layout.c
index 344aff396f..882d9e04a2 100644
--- a/src/mesa/drivers/dri/intel/intel_tex_layout.c
+++ b/src/mesa/drivers/dri/intel/intel_tex_layout.c
@@ -32,6 +32,7 @@
#include "macros.h"
#include "pipe/p_state.h"
+#include "pipe/p_context.h"
#include "intel_tex_layout.h"
#include "state_tracker/st_mipmap_tree.h"
@@ -472,3 +473,4 @@ i945_miptree_layout(struct pipe_context *pipe, struct pipe_mipmap_tree * mt)
return GL_TRUE;
}
+
diff --git a/src/mesa/pipe/p_context.h b/src/mesa/pipe/p_context.h
index 08b9b18393..3062eda329 100644
--- a/src/mesa/pipe/p_context.h
+++ b/src/mesa/pipe/p_context.h
@@ -130,6 +130,10 @@ struct pipe_context {
struct pipe_surface *(*surface_alloc)(struct pipe_context *pipe,
GLuint format);
+ struct pipe_surface *(*get_tex_surface)(struct pipe_context *pipe,
+ struct pipe_mipmap_tree *texture,
+ GLuint face, GLuint level,
+ GLuint zslice);
/*
* Memory region functions
@@ -230,5 +234,16 @@ pipe_region_reference(struct pipe_region **dst, struct pipe_region *src)
}
+static INLINE void
+pipe_surface_reference(struct pipe_surface **dst, struct pipe_surface *src)
+{
+ assert(*dst == NULL);
+ if (src) {
+ src->refcount++;
+ *dst = src;
+ }
+}
+
+
#endif /* PIPE_CONTEXT_H */
diff --git a/src/mesa/pipe/p_state.h b/src/mesa/pipe/p_state.h
index f75d8f1957..e51b9c460f 100644
--- a/src/mesa/pipe/p_state.h
+++ b/src/mesa/pipe/p_state.h
@@ -245,13 +245,11 @@ struct pipe_region
GLuint height; /**< in pixels */
GLubyte *map; /**< only non-NULL when region is actually mapped */
GLuint map_refcount; /**< Reference count for mapping */
-
- GLuint draw_offset; /**< Offset of drawing address within the region */
};
/**
- * 2D surface.
+ * 2D surface. This is basically a view into a pipe_region (memory buffer).
* May be a renderbuffer, texture mipmap level, etc.
*/
struct pipe_surface
@@ -259,39 +257,32 @@ struct pipe_surface
struct pipe_region *region;
GLuint format:5; /**< PIPE_FORMAT_x */
GLuint width, height;
+ GLuint offset; /**< offset from start of region, in bytes */
+ GLint refcount;
void *rb; /**< Ptr back to renderbuffer (temporary?) */
+
+ /** get block/tile of pixels from surface */
+ void (*get_tile)(struct pipe_surface *ps,
+ GLuint x, GLuint y, GLuint w, GLuint h, GLfloat *p);
+
+ /** put block/tile of pixels into surface */
+ void (*put_tile)(struct pipe_surface *ps,
+ GLuint x, GLuint y, GLuint w, GLuint h, const GLfloat *p);
};
-#if 0
/**
- * Texture object.
- * Mipmap levels, cube faces, 3D slices can be accessed as surfaces.
+ * surface sampler object
+ * XXX prototype
*/
-struct pipe_texture_object
+struct pipe_surface_sampler
{
- GLuint type:2; /**< PIPE_TEXTURE_x */
- GLuint format:5; /**< PIPE_FORMAT_x */
- GLuint width:13; /**< 13 bits = 8K max size */
- GLuint height:13;
- GLuint depth:13;
- GLuint mipmapped:1;
-
- /** to access a 1D or 2D texture object as a surface */
- struct pipe_surface *(*get_2d_surface)(struct pipe_texture_object *pto,
- GLuint level);
- /** to access a 3D texture object as a surface */
- struct pipe_surface *(*get_3d_surface)(struct pipe_texture_object *pto,
- GLuint level, GLuint slice);
- /** to access a cube texture object as a surface */
- struct pipe_surface *(*get_cube_surface)(struct pipe_texture_object *pto,
- GLuint face, GLuint level);
- /** when finished with surface: */
- void (*release_surface)(struct pipe_texture_object *pto,
- struct pipe_surface *ps);
+ struct pipe_sampler_state state;
+ struct pipe_mipmap_tree *texture;
+ void (*get_sample)(struct pipe_surface_sampler *sampler,
+ const GLfloat strq[4], GLfloat rgba[4]);
};
-#endif
/**
diff --git a/src/mesa/pipe/softpipe/sp_context.c b/src/mesa/pipe/softpipe/sp_context.c
index 139afde376..264f3d6e58 100644
--- a/src/mesa/pipe/softpipe/sp_context.c
+++ b/src/mesa/pipe/softpipe/sp_context.c
@@ -201,6 +201,7 @@ struct pipe_context *softpipe_create( struct softpipe_winsys *sws )
softpipe->pipe.get_occlusion_counter = softpipe_get_occlusion_counter;
softpipe->pipe.mipmap_tree_layout = softpipe_mipmap_tree_layout;
+ softpipe->pipe.get_tex_surface = softpipe_get_tex_surface;
softpipe->quad.polygon_stipple = sp_quad_polygon_stipple_stage(softpipe);
softpipe->quad.shade = sp_quad_shade_stage(softpipe);
diff --git a/src/mesa/pipe/softpipe/sp_surface.c b/src/mesa/pipe/softpipe/sp_surface.c
index 819243ae6e..6512f1d789 100644
--- a/src/mesa/pipe/softpipe/sp_surface.c
+++ b/src/mesa/pipe/softpipe/sp_surface.c
@@ -351,12 +351,54 @@ sp_surface_alloc(struct pipe_context *pipe, GLenum format)
return NULL;
sps->surface.format = format;
+ sps->surface.refcount = 1;
init_quad_funcs(sps);
return &sps->surface;
}
+
+
+
+/**
+ * Called via pipe->get_tex_surface()
+ * XXX is this in the right place?
+ */
+struct pipe_surface *
+softpipe_get_tex_surface(struct pipe_context *pipe,
+ struct pipe_mipmap_tree *mt,
+ GLuint face, GLuint level, GLuint zslice)
+{
+ struct pipe_surface *ps;
+ GLuint offset; /* in bytes */
+
+ offset = mt->level[level].level_offset;
+
+ if (mt->target == GL_TEXTURE_CUBE_MAP_ARB) {
+ offset += mt->level[level].image_offset[face] * mt->cpp;
+ }
+ else if (mt->target == GL_TEXTURE_3D) {
+ offset += mt->level[level].image_offset[zslice] * mt->cpp;
+ }
+ else {
+ assert(face == 0);
+ assert(zslice == 0);
+ }
+
+ ps = pipe->surface_alloc(pipe, mt->internal_format);
+ if (ps) {
+ assert(ps->format);
+ assert(ps->refcount);
+ ps->region = mt->region;
+ ps->width = mt->level[level].width;
+ ps->height = mt->level[level].height;
+ ps->offset = offset;
+ }
+ return ps;
+}
+
+
void
sp_init_surface_functions(struct softpipe_context *sp)
{
diff --git a/src/mesa/pipe/softpipe/sp_surface.h b/src/mesa/pipe/softpipe/sp_surface.h
index 6782bba376..90086c327f 100644
--- a/src/mesa/pipe/softpipe/sp_surface.h
+++ b/src/mesa/pipe/softpipe/sp_surface.h
@@ -85,6 +85,12 @@ struct softpipe_surface {
};
+extern struct pipe_surface *
+softpipe_get_tex_surface(struct pipe_context *pipe,
+ struct pipe_mipmap_tree *mt,
+ GLuint face, GLuint level, GLuint zslice);
+
+
/** Cast wrapper */
static INLINE struct softpipe_surface *
softpipe_surface(struct pipe_surface *ps)
generated by cgit v1.2.3 (git 2.51.0) at 2025-10-31 22:40:13 +0000