*/
+#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "pipe/p_state.h"
-#include "pipe/p_defines.h"
+#include "util/u_format.h"
+#include "util/u_inlines.h"
+#include "util/u_rect.h"
#include "util/u_surface.h"
+#include "util/u_pack_color.h"
/**
boolean
util_create_rgba_surface(struct pipe_screen *screen,
uint width, uint height,
- struct pipe_texture **textureOut,
+ uint bind,
+ struct pipe_resource **textureOut,
struct pipe_surface **surfaceOut)
{
static const enum pipe_format rgbaFormats[] = {
- PIPE_FORMAT_A8R8G8B8_UNORM,
PIPE_FORMAT_B8G8R8A8_UNORM,
- PIPE_FORMAT_R8G8B8A8_UNORM,
+ PIPE_FORMAT_A8R8G8B8_UNORM,
+ PIPE_FORMAT_A8B8G8R8_UNORM,
PIPE_FORMAT_NONE
};
const uint target = PIPE_TEXTURE_2D;
- const uint usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
enum pipe_format format = PIPE_FORMAT_NONE;
- struct pipe_texture templ;
+ struct pipe_resource templ;
uint i;
/* Choose surface format */
for (i = 0; rgbaFormats[i]; i++) {
if (screen->is_format_supported(screen, rgbaFormats[i],
- target, usage, 0)) {
+ target, 0, bind, 0)) {
format = rgbaFormats[i];
break;
}
templ.width0 = width;
templ.height0 = height;
templ.depth0 = 1;
- templ.tex_usage = usage;
+ templ.bind = bind;
- *textureOut = screen->texture_create(screen, &templ);
+ *textureOut = screen->resource_create(screen, &templ);
if (!*textureOut)
return FALSE;
/* create surface / view into texture */
- *surfaceOut = screen->get_tex_surface(screen, *textureOut, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE);
+ *surfaceOut = screen->get_tex_surface(screen,
+ *textureOut,
+ 0, 0, 0,
+ bind);
if (!*surfaceOut) {
- pipe_texture_reference(textureOut, NULL);
+ pipe_resource_reference(textureOut, NULL);
return FALSE;
}
* Release the surface and texture from util_create_rgba_surface().
*/
void
-util_destroy_rgba_surface(struct pipe_texture *texture,
+util_destroy_rgba_surface(struct pipe_resource *texture,
struct pipe_surface *surface)
{
pipe_surface_reference(&surface, NULL);
- pipe_texture_reference(&texture, NULL);
+ pipe_resource_reference(&texture, NULL);
}
+
+
+/**
+ * Fallback function for pipe->resource_copy_region().
+ * Note: (X,Y)=(0,0) is always the upper-left corner.
+ */
+void
+util_resource_copy_region(struct pipe_context *pipe,
+ struct pipe_resource *dst,
+ struct pipe_subresource subdst,
+ unsigned dst_x, unsigned dst_y, unsigned dst_z,
+ struct pipe_resource *src,
+ struct pipe_subresource subsrc,
+ unsigned src_x, unsigned src_y, unsigned src_z,
+ unsigned w, unsigned h)
+{
+ struct pipe_transfer *src_trans, *dst_trans;
+ void *dst_map;
+ const void *src_map;
+ enum pipe_format src_format, dst_format;
+
+ assert(src && dst);
+ if (!src || !dst)
+ return;
+
+ src_format = src->format;
+ dst_format = dst->format;
+
+ src_trans = pipe_get_transfer(pipe,
+ src,
+ subsrc.face,
+ subsrc.level,
+ src_z,
+ PIPE_TRANSFER_READ,
+ src_x, src_y, w, h);
+
+ dst_trans = pipe_get_transfer(pipe,
+ dst,
+ subdst.face,
+ subdst.level,
+ src_z,
+ PIPE_TRANSFER_WRITE,
+ dst_x, dst_y, w, h);
+
+ assert(util_format_get_blocksize(dst_format) == util_format_get_blocksize(src_format));
+ assert(util_format_get_blockwidth(dst_format) == util_format_get_blockwidth(src_format));
+ assert(util_format_get_blockheight(dst_format) == util_format_get_blockheight(src_format));
+
+ src_map = pipe->transfer_map(pipe, src_trans);
+ dst_map = pipe->transfer_map(pipe, dst_trans);
+
+ assert(src_map);
+ assert(dst_map);
+
+ if (src_map && dst_map) {
+ util_copy_rect(dst_map,
+ dst_format,
+ dst_trans->stride,
+ 0, 0,
+ w, h,
+ src_map,
+ src_trans->stride,
+ 0,
+ 0);
+ }
+
+ pipe->transfer_unmap(pipe, src_trans);
+ pipe->transfer_unmap(pipe, dst_trans);
+
+ pipe->transfer_destroy(pipe, src_trans);
+ pipe->transfer_destroy(pipe, dst_trans);
+}
+
+
+
+#define UBYTE_TO_USHORT(B) ((B) | ((B) << 8))
+
+
+/**
+ * Fallback for pipe->clearRT() function.
+ * XXX this looks too hackish to be really useful.
+ * cpp > 4 looks like a gross hack at best...
+ * and we're missing the equivalent clearDS fallback.
+ * Plus can't use these transfer fallbacks when clearing
+ * multisampled surfaces for instance.
+ */
+void
+util_clearRT(struct pipe_context *pipe,
+ struct pipe_surface *dst,
+ const float *rgba,
+ unsigned dstx, unsigned dsty,
+ unsigned width, unsigned height)
+{
+ struct pipe_transfer *dst_trans;
+ void *dst_map;
+ union util_color uc;
+
+ assert(dst->texture);
+ if (!dst->texture)
+ return;
+ util_pack_color(rgba, dst->texture->format, &uc);
+ dst_trans = pipe_get_transfer(pipe,
+ dst->texture,
+ dst->face,
+ dst->level,
+ dst->zslice,
+ PIPE_TRANSFER_WRITE,
+ dstx, dsty, width, height);
+
+ dst_map = pipe->transfer_map(pipe, dst_trans);
+
+ assert(dst_map);
+
+ if (dst_map) {
+ assert(dst_trans->stride > 0);
+
+ switch (util_format_get_blocksize(dst->texture->format)) {
+ case 1:
+ case 2:
+ case 4:
+ util_pack_color(rgba, dst->texture->format, &uc);
+ util_fill_rect(dst_map, dst->texture->format,
+ dst_trans->stride,
+ 0, 0, width, height, uc.ui);
+ break;
+ case 8:
+ {
+ /* expand the 4-byte clear value to an 8-byte value */
+ /* should probably not convert back from ubyte but not
+ sure what this code really achieved since it doesn't even
+ check for format type... */
+ ushort *row = (ushort *) dst_map;
+ ushort val0 = UBYTE_TO_USHORT((uc.ui >> 0) & 0xff);
+ ushort val1 = UBYTE_TO_USHORT((uc.ui >> 8) & 0xff);
+ ushort val2 = UBYTE_TO_USHORT((uc.ui >> 16) & 0xff);
+ ushort val3 = UBYTE_TO_USHORT((uc.ui >> 24) & 0xff);
+ unsigned i, j;
+ val0 = (val0 << 8) | val0;
+ val1 = (val1 << 8) | val1;
+ val2 = (val2 << 8) | val2;
+ val3 = (val3 << 8) | val3;
+ for (i = 0; i < height; i++) {
+ for (j = 0; j < width; j++) {
+ row[j*4+0] = val0;
+ row[j*4+1] = val1;
+ row[j*4+2] = val2;
+ row[j*4+3] = val3;
+ }
+ row += dst_trans->stride/2;
+ }
+ }
+ break;
+ default:
+ assert(0);
+ break;
+ }
+ }
+
+ pipe->transfer_unmap(pipe, dst_trans);
+ pipe->transfer_destroy(pipe, dst_trans);
+}
projects / mesa.git / blobdiff