#ifndef R300_TEXTURE_H
#define R300_TEXTURE_H
-#include "pipe/p_screen.h"
+#include "pipe/p_video_state.h"
+#include "util/u_format.h"
-#include "util/u_math.h"
-
-#include "r300_context.h"
#include "r300_reg.h"
+struct r300_texture;
+
void r300_init_screen_texture_functions(struct pipe_screen* screen);
-/* Note the signature of R300_EASY_TX_FORMAT(A, R, G, B, FORMAT)... */
+unsigned r300_texture_get_stride(struct r300_screen* screen,
+ struct r300_texture* tex, unsigned level);
+
+unsigned r300_texture_get_offset(struct r300_texture* tex, unsigned level,
+ unsigned zslice, unsigned face);
+
+/* Translate a pipe_format into a useful texture format for sampling.
+ *
+ * R300_EASY_TX_FORMAT swizzles the texture.
+ * Note the signature of R300_EASY_TX_FORMAT:
+ * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
+ *
+ * The FORMAT specifies how the texture sampler will treat the texture, and
+ * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
static INLINE uint32_t r300_translate_texformat(enum pipe_format format)
{
switch (format) {
/* X8 */
+ case PIPE_FORMAT_A8_UNORM:
+ return R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X8);
case PIPE_FORMAT_I8_UNORM:
return R300_EASY_TX_FORMAT(X, X, X, X, X8);
+ case PIPE_FORMAT_L8_UNORM:
+ return R300_EASY_TX_FORMAT(X, X, X, ONE, X8);
+ case PIPE_FORMAT_L8_SRGB:
+ return R300_EASY_TX_FORMAT(X, X, X, ONE, X8) |
+ R300_TX_FORMAT_GAMMA;
+ /* X16 */
+ case PIPE_FORMAT_A4R4G4B4_UNORM:
+ return R300_EASY_TX_FORMAT(X, Y, Z, W, W4Z4Y4X4);
+ case PIPE_FORMAT_R16_UNORM:
+ case PIPE_FORMAT_Z16_UNORM:
+ return R300_EASY_TX_FORMAT(X, X, X, X, X16);
+ case PIPE_FORMAT_R16_SNORM:
+ return R300_EASY_TX_FORMAT(X, X, X, X, X16) |
+ R300_TX_FORMAT_SIGNED;
+ /* Z5Y6X5 */
+ case PIPE_FORMAT_R5G6B5_UNORM:
+ return R300_EASY_TX_FORMAT(X, Y, Z, ONE, Z5Y6X5);
+ /* W1Z5Y5X5*/
+ case PIPE_FORMAT_A1R5G5B5_UNORM:
+ return R300_EASY_TX_FORMAT(X, Y, Z, W, W1Z5Y5X5);
+ /* Y8X8 */
+ case PIPE_FORMAT_A8L8_UNORM:
+ return R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8);
+ case PIPE_FORMAT_A8L8_SRGB:
+ return R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8) |
+ R300_TX_FORMAT_GAMMA;
/* W8Z8Y8X8 */
case PIPE_FORMAT_A8R8G8B8_UNORM:
return R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8);
case PIPE_FORMAT_R8G8B8A8_UNORM:
return R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8);
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
+ return R300_EASY_TX_FORMAT(X, Y, Z, ONE, W8Z8Y8X8);
+ case PIPE_FORMAT_R8G8B8X8_UNORM:
+ return R300_EASY_TX_FORMAT(Y, Z, ONE, X, W8Z8Y8X8);
case PIPE_FORMAT_A8R8G8B8_SRGB:
return R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8) |
R300_TX_FORMAT_GAMMA;
R300_TX_FORMAT_YUV_TO_RGB;
/* W24_FP */
case PIPE_FORMAT_Z24S8_UNORM:
+ case PIPE_FORMAT_Z24X8_UNORM:
return R300_EASY_TX_FORMAT(X, X, X, X, W24_FP);
+
default:
debug_printf("r300: Implementation error: "
"Got unsupported texture format %s in %s\n",
- pf_name(format), __FUNCTION__);
+ util_format_name(format), __FUNCTION__);
assert(0);
break;
}
return 0;
}
+struct r300_video_surface
+{
+ struct pipe_video_surface base;
+ struct pipe_texture *tex;
+};
+
+static INLINE struct r300_video_surface *
+r300_video_surface(struct pipe_video_surface *pvs)
+{
+ return (struct r300_video_surface *)pvs;
+}
+
#ifndef R300_WINSYS_H
-boolean r300_get_texture_buffer(struct pipe_texture* texture,
+boolean r300_get_texture_buffer(struct pipe_screen* screen,
+ struct pipe_texture* texture,
struct pipe_buffer** buffer,
unsigned* stride);