r300g: add texture format for xvmc

[mesa.git] / src / gallium / drivers / r300 / r300_texture.h

diff --git a/src/gallium/drivers/r300/r300_texture.h b/src/gallium/drivers/r300/r300_texture.h
index 7964229a94f7f4a64b09e70811cf4e1a2fad4122..697669147d87e22523acbedabc65f5a6f5c88301 100644 (file)
--- a/src/gallium/drivers/r300/r300_texture.h
+++ b/src/gallium/drivers/r300/r300_texture.h
@@ -28,7 +28,69 @@
 #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);
 
+unsigned r300_texture_get_stride(struct r300_texture* tex, unsigned level);
+
+/* Note the signature of R300_EASY_TX_FORMAT(A, R, G, B, FORMAT)... */
+static INLINE uint32_t r300_translate_texformat(enum pipe_format format)
+{
+    switch (format) {
+        /* X8 */
+        case PIPE_FORMAT_I8_UNORM:
+            return R300_EASY_TX_FORMAT(X, X, X, X, X8);
+        /* 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_A8R8G8B8_SRGB:
+            return R300_EASY_TX_FORMAT(X, Y, Z, W, W8Z8Y8X8) |
+                R300_TX_FORMAT_GAMMA;
+        case PIPE_FORMAT_R8G8B8A8_SRGB:
+            return R300_EASY_TX_FORMAT(Y, Z, W, X, W8Z8Y8X8) |
+                R300_TX_FORMAT_GAMMA;
+        /* DXT1 */
+        case PIPE_FORMAT_DXT1_RGB:
+            return R300_EASY_TX_FORMAT(X, Y, Z, ONE, DXT1);
+        case PIPE_FORMAT_DXT1_RGBA:
+            return R300_EASY_TX_FORMAT(X, Y, Z, W, DXT1);
+        /* DXT3 */
+        case PIPE_FORMAT_DXT3_RGBA:
+            return R300_EASY_TX_FORMAT(X, Y, Z, W, DXT3);
+        /* DXT5 */
+        case PIPE_FORMAT_DXT5_RGBA:
+            return R300_EASY_TX_FORMAT(Y, Z, W, X, DXT5);
+        /* YVYU422 */
+        case PIPE_FORMAT_YCBCR:
+            return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) |
+                R300_TX_FORMAT_YUV_TO_RGB;
+        /* W24_FP */
+        case PIPE_FORMAT_Z24S8_UNORM:
+            return R300_EASY_TX_FORMAT(X, X, X, X, W24_FP);
+       /* Z5_Y6_X5 */
+        case PIPE_FORMAT_R16_SNORM:
+            return R300_EASY_TX_FORMAT(X, X, X, X, Z5Y6X5);
+        default:
+            debug_printf("r300: Implementation error: "
+                "Got unsupported texture format %s in %s\n",
+                pf_name(format), __FUNCTION__);
+            assert(0);
+            break;
+    }
+    return 0;
+}
+
+#ifndef R300_WINSYS_H
+
+boolean r300_get_texture_buffer(struct pipe_texture* texture,
+                                struct pipe_buffer** buffer,
+                                unsigned* stride);
+
+#endif /* R300_WINSYS_H */
+
 #endif /* R300_TEXTURE_H */