#include "st_context.h"
#include "st_format.h"
#include "st_texture.h"
-#include "enums.h"
+#include "main/enums.h"
+
+#undef Elements /* fix re-defined macro warning */
#include "pipe/p_state.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
+#include "pipe/p_inlines.h"
#include "pipe/p_util.h"
#include "pipe/p_inlines.h"
-#include "pipe/p_winsys.h"
#define DBG if(0) printf
}
#endif
+
+/**
+ * Allocate a new pipe_texture object
+ * width0, height0, depth0 are the dimensions of the level 0 image
+ * (the highest resolution). last_level indicates how many mipmap levels
+ * to allocate storage for. For non-mipmapped textures, this will be zero.
+ */
struct pipe_texture *
st_texture_create(struct st_context *st,
- unsigned target,
- unsigned format,
- GLenum internal_format,
- GLuint first_level,
+ enum pipe_texture_target target,
+ enum pipe_format format,
GLuint last_level,
GLuint width0,
GLuint height0,
GLuint depth0,
- GLuint compress_byte)
+ GLuint compress_byte,
+ GLuint usage )
{
- struct pipe_texture *pt = CALLOC_STRUCT(pipe_texture);
+ struct pipe_texture pt, *newtex;
+ struct pipe_screen *screen = st->pipe->screen;
assert(target <= PIPE_TEXTURE_CUBE);
- DBG("%s target %s format %s level %d..%d\n", __FUNCTION__,
+ DBG("%s target %s format %s last_level %d\n", __FUNCTION__,
_mesa_lookup_enum_by_nr(target),
- _mesa_lookup_enum_by_nr(internal_format), first_level, last_level);
-
- if (!pt)
- return NULL;
+ _mesa_lookup_enum_by_nr(format), last_level);
assert(format);
+ assert(screen->is_format_supported(screen, format, target,
+ PIPE_TEXTURE_USAGE_SAMPLER, 0));
- pt->target = target;
- pt->format = format;
- pt->internal_format = internal_format;
- pt->first_level = first_level;
- pt->last_level = last_level;
- pt->width[0] = width0;
- pt->height[0] = height0;
- pt->depth[0] = depth0;
- pt->compressed = compress_byte ? 1 : 0;
- pt->cpp = pt->compressed ? compress_byte : st_sizeof_format(format);
- pt->refcount = 1;
-
- st->pipe->texture_create(st->pipe, &pt);
-
- return pt;
-}
+ memset(&pt, 0, sizeof(pt));
+ pt.target = target;
+ pt.format = format;
+ pt.last_level = last_level;
+ pt.width[0] = width0;
+ pt.height[0] = height0;
+ pt.depth[0] = depth0;
+ pt.compressed = compress_byte ? 1 : 0;
+ pf_get_block(format, &pt.block);
+ pt.tex_usage = usage;
+ newtex = screen->texture_create(screen, &pt);
+ assert(!newtex || newtex->refcount == 1);
+ return newtex;
+}
-/* Can the image be pulled into a unified mipmap texture. This mirrors
- * the completeness test in a lot of ways.
+
+/**
+ * Check if a texture image be pulled into a unified mipmap texture.
+ * This mirrors the completeness test in a lot of ways.
*
* Not sure whether I want to pass gl_texture_image here.
*/
GLboolean
-st_texture_match_image(struct pipe_texture *pt,
- struct gl_texture_image *image,
- GLuint face, GLuint level)
+st_texture_match_image(const struct pipe_texture *pt,
+ const struct gl_texture_image *image,
+ GLuint face, GLuint level)
{
/* Images with borders are never pulled into mipmap textures.
*/
if (image->Border)
return GL_FALSE;
- if (image->InternalFormat != pt->internal_format ||
+ if (st_mesa_format_to_pipe_format(image->TexFormat->MesaFormat) != pt->format ||
image->IsCompressed != pt->compressed)
return GL_FALSE;
*/
GLubyte *
st_texture_image_map(struct st_context *st, struct st_texture_image *stImage,
- GLuint zoffset)
+ GLuint zoffset,
+ GLuint flags )
{
+ struct pipe_screen *screen = st->pipe->screen;
struct pipe_texture *pt = stImage->pt;
DBG("%s \n", __FUNCTION__);
- stImage->surface = st->pipe->get_tex_surface(st->pipe, pt, stImage->face,
- stImage->level, zoffset);
+ stImage->surface = screen->get_tex_surface(screen, pt, stImage->face,
+ stImage->level, zoffset,
+ flags);
- (void) st->pipe->region_map(st->pipe, stImage->surface->region);
-
- return stImage->surface->region->map + stImage->surface->offset;
+ if (stImage->surface)
+ return screen->surface_map(screen, stImage->surface, flags);
+ else
+ return NULL;
}
+
void
-st_texture_image_unmap(struct st_context *st, struct st_texture_image *stImage)
+st_texture_image_unmap(struct st_context *st,
+ struct st_texture_image *stImage)
{
+ struct pipe_screen *screen = st->pipe->screen;
+
DBG("%s\n", __FUNCTION__);
- st->pipe->region_unmap(st->pipe, stImage->surface->region);
+ screen->surface_unmap(screen, stImage->surface);
pipe_surface_reference(&stImage->surface, NULL);
}
+/**
+ * Upload data to a rectangular sub-region. Lots of choices how to do this:
+ *
+ * - memcpy by span to current destination
+ * - upload data as new buffer and blit
+ *
+ * Currently always memcpy.
+ */
+static void
+st_surface_data(struct pipe_context *pipe,
+ struct pipe_surface *dst,
+ unsigned dstx, unsigned dsty,
+ const void *src, unsigned src_stride,
+ unsigned srcx, unsigned srcy, unsigned width, unsigned height)
+{
+ struct pipe_screen *screen = pipe->screen;
+ void *map = screen->surface_map(screen, dst, PIPE_BUFFER_USAGE_CPU_WRITE);
+
+ pipe_copy_rect(map,
+ &dst->block,
+ dst->stride,
+ dstx, dsty,
+ width, height,
+ src, src_stride,
+ srcx, srcy);
+
+ screen->surface_unmap(screen, dst);
+}
+
+
/* Upload data for a particular image.
*/
void
GLuint face,
GLuint level,
void *src,
- GLuint src_row_pitch, GLuint src_image_pitch)
+ GLuint src_row_stride, GLuint src_image_stride)
{
+ struct pipe_screen *screen = pipe->screen;
GLuint depth = dst->depth[level];
GLuint i;
- GLuint height = 0;
const GLubyte *srcUB = src;
struct pipe_surface *dst_surface;
DBG("%s\n", __FUNCTION__);
for (i = 0; i < depth; i++) {
- height = dst->height[level];
- if(dst->compressed)
- height /= 4;
-
- dst_surface = pipe->get_tex_surface(pipe, dst, face, level, i);
+ dst_surface = screen->get_tex_surface(screen, dst, face, level, i,
+ PIPE_BUFFER_USAGE_CPU_WRITE);
- pipe->surface_data(pipe, dst_surface,
- 0, 0, /* dstx, dsty */
- srcUB,
- src_row_pitch,
- 0, 0, /* source x, y */
- dst->width[level], height); /* width, height */
+ st_surface_data(pipe, dst_surface,
+ 0, 0, /* dstx, dsty */
+ srcUB,
+ src_row_stride,
+ 0, 0, /* source x, y */
+ dst->width[level], dst->height[level]); /* width, height */
- pipe_surface_reference(&dst_surface, NULL);
+ screen->tex_surface_release(screen, &dst_surface);
- srcUB += src_image_pitch * dst->cpp;
+ srcUB += src_image_stride;
}
}
+
/* Copy mipmap image between textures
*/
void
st_texture_image_copy(struct pipe_context *pipe,
- struct pipe_texture *dst,
- GLuint face, GLuint level,
- struct pipe_texture *src)
+ struct pipe_texture *dst, GLuint dstLevel,
+ struct pipe_texture *src,
+ GLuint face)
{
- GLuint width = src->width[level];
- GLuint height = src->height[level];
- GLuint depth = src->depth[level];
+ struct pipe_screen *screen = pipe->screen;
+ GLuint width = dst->width[dstLevel];
+ GLuint height = dst->height[dstLevel];
+ GLuint depth = dst->depth[dstLevel];
struct pipe_surface *src_surface;
struct pipe_surface *dst_surface;
GLuint i;
- if (dst->compressed)
- height /= 4;
+ /* XXX this is a hack */
+ const GLuint copyHeight = dst->compressed ? height / 4 : height;
+
for (i = 0; i < depth; i++) {
- dst_surface = pipe->get_tex_surface(pipe, dst, face, level, i);
- src_surface = pipe->get_tex_surface(pipe, src, face, level, i);
+ GLuint srcLevel;
+
+ /* find src texture level of needed size */
+ for (srcLevel = 0; srcLevel <= src->last_level; srcLevel++) {
+ if (src->width[srcLevel] == width &&
+ src->height[srcLevel] == height) {
+ break;
+ }
+ }
+ assert(src->width[srcLevel] == width);
+ assert(src->height[srcLevel] == height);
+
+#if 0
+ {
+ src_surface = screen->get_tex_surface(screen, src, face, srcLevel, i,
+ PIPE_BUFFER_USAGE_CPU_READ);
+ ubyte *map = screen->surface_map(screen, src_surface, PIPE_BUFFER_USAGE_CPU_READ);
+ map += src_surface->width * src_surface->height * 4 / 2;
+ printf("%s center pixel: %d %d %d %d (pt %p[%d] -> %p[%d])\n",
+ __FUNCTION__,
+ map[0], map[1], map[2], map[3],
+ src, srcLevel, dst, dstLevel);
+
+ screen->surface_unmap(screen, src_surface);
+ pipe_surface_reference(&src_surface, NULL);
+ }
+#endif
+
+ dst_surface = screen->get_tex_surface(screen, dst, face, dstLevel, i,
+ PIPE_BUFFER_USAGE_GPU_WRITE);
+
+ src_surface = screen->get_tex_surface(screen, src, face, srcLevel, i,
+ PIPE_BUFFER_USAGE_GPU_READ);
pipe->surface_copy(pipe,
+ FALSE,
dst_surface,
0, 0, /* destX, Y */
src_surface,
0, 0, /* srcX, Y */
- width, height);
+ width, copyHeight);
- pipe_surface_reference(&dst_surface, NULL);
- pipe_surface_reference(&src_surface, NULL);
+ screen->tex_surface_release(screen, &src_surface);
+ screen->tex_surface_release(screen, &dst_surface);
}
-
}
projects / mesa.git / blobdiff