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i915g: Reorg texture code a bit

This commit is contained in:
Jakob Bornecrantz 2009-08-30 19:20:45 +01:00
parent f260652153
commit 5374aff56f
1 changed files with 53 additions and 36 deletions
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89
src/gallium/drivers/i915simple/i915_texture.c
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@ -44,10 +44,12 @@
#include "i915_screen.h"
#include "i915_winsys.h"
/*
* Helper function and arrays
*/
/**
* Initial offset for Cube map.
*/
@ -487,7 +489,6 @@ i915_miptree_layout(struct i915_texture * tex)
return TRUE;
}
static boolean
i945_miptree_layout(struct i915_texture * tex)
{
@ -575,6 +576,11 @@ i945_miptree_layout(struct i915_texture * tex)
}
/*
* Screen texture functions
*/
static struct pipe_texture *
i915_texture_create(struct pipe_screen *screen,
const struct pipe_texture *templat)
@ -629,6 +635,39 @@ fail:
return NULL;
}
static struct pipe_texture *
i915_texture_blanket(struct pipe_screen * screen,
const struct pipe_texture *base,
const unsigned *stride,
struct pipe_buffer *buffer)
{
struct i915_texture *tex;
assert(screen);
/* Only supports one type */
if (base->target != PIPE_TEXTURE_2D ||
base->last_level != 0 ||
base->depth[0] != 1) {
return NULL;
}
tex = CALLOC_STRUCT(i915_texture);
if (!tex)
return NULL;
tex->base = *base;
pipe_reference_init(&tex->base.reference, 1);
tex->base.screen = screen;
tex->stride = stride[0];
i915_miptree_set_level_info(tex, 0, 1, base->width[0], base->height[0], 1);
i915_miptree_set_image_offset(tex, 0, 0, 0, 0);
pipe_buffer_reference(&tex->buffer, buffer);
return &tex->base;
}
static void
i915_texture_destroy(struct pipe_texture *pt)
@ -649,6 +688,12 @@ i915_texture_destroy(struct pipe_texture *pt)
FREE(tex);
}
/*
* Screen surface functions
*/
static struct pipe_surface *
i915_get_tex_surface(struct pipe_screen *screen,
struct pipe_texture *pt,
@ -684,40 +729,6 @@ i915_get_tex_surface(struct pipe_screen *screen,
return ps;
}
static struct pipe_texture *
i915_texture_blanket(struct pipe_screen * screen,
const struct pipe_texture *base,
const unsigned *stride,
struct pipe_buffer *buffer)
{
struct i915_texture *tex;
assert(screen);
/* Only supports one type */
if (base->target != PIPE_TEXTURE_2D ||
base->last_level != 0 ||
base->depth[0] != 1) {
return NULL;
}
tex = CALLOC_STRUCT(i915_texture);
if (!tex)
return NULL;
tex->base = *base;
pipe_reference_init(&tex->base.reference, 1);
tex->base.screen = screen;
tex->stride = stride[0];
i915_miptree_set_level_info(tex, 0, 1, base->width[0], base->height[0], 1);
i915_miptree_set_image_offset(tex, 0, 0, 0, 0);
pipe_buffer_reference(&tex->buffer, buffer);
return &tex->base;
}
static void
i915_tex_surface_destroy(struct pipe_surface *surf)
{
@ -725,13 +736,19 @@ i915_tex_surface_destroy(struct pipe_surface *surf)
FREE(surf);
}
/*
* Other texture functions
*/
void
i915_init_screen_texture_functions(struct i915_screen *is)
{
is->base.texture_create = i915_texture_create;
is->base.texture_blanket = i915_texture_blanket;
is->base.texture_destroy = i915_texture_destroy;
is->base.get_tex_surface = i915_get_tex_surface;
is->base.texture_blanket = i915_texture_blanket;
is->base.tex_surface_destroy = i915_tex_surface_destroy;
}