#ifndef R300_TEXTURE_H
#define R300_TEXTURE_H
-#include "pipe/p_video_state.h"
-#include "util/u_format.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_screen* screen,
- struct r300_texture* tex, unsigned level);
-
-unsigned r300_texture_get_offset(struct r300_texture* tex, unsigned level,
- unsigned zslice, unsigned face);
-
-void r300_texture_reinterpret_format(struct pipe_screen *screen,
- struct pipe_texture *tex,
- enum pipe_format new_format);
-
-/* 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)
-{
- uint32_t result = 0;
- const struct util_format_description *desc;
- unsigned components = 0, i;
- boolean uniform = TRUE;
- const uint32_t swizzle_shift[4] = {
- R300_TX_FORMAT_R_SHIFT,
- R300_TX_FORMAT_G_SHIFT,
- R300_TX_FORMAT_B_SHIFT,
- R300_TX_FORMAT_A_SHIFT
- };
- const uint32_t sign_bit[4] = {
- R300_TX_FORMAT_SIGNED_X,
- R300_TX_FORMAT_SIGNED_Y,
- R300_TX_FORMAT_SIGNED_Z,
- R300_TX_FORMAT_SIGNED_W,
- };
-
- desc = util_format_description(format);
-
- /* Colorspace (return non-RGB formats directly). */
- switch (desc->colorspace) {
- /* Depth stencil formats. */
- case UTIL_FORMAT_COLORSPACE_ZS:
- switch (format) {
- case PIPE_FORMAT_Z16_UNORM:
- return R300_EASY_TX_FORMAT(X, X, X, X, X16);
- case PIPE_FORMAT_Z24X8_UNORM:
- case PIPE_FORMAT_Z24S8_UNORM:
- return R300_EASY_TX_FORMAT(X, X, X, X, W24_FP);
- default:
- return ~0; /* Unsupported. */
- }
-
- /* YUV formats. */
- case UTIL_FORMAT_COLORSPACE_YUV:
- result |= R300_TX_FORMAT_YUV_TO_RGB;
-
- switch (format) {
- case PIPE_FORMAT_YCBCR:
- return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result;
- case PIPE_FORMAT_YCBCR_REV:
- return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result;
- default:
- return ~0; /* Unsupported/unknown. */
- }
-
- /* Add gamma correction. */
- case UTIL_FORMAT_COLORSPACE_SRGB:
- result |= R300_TX_FORMAT_GAMMA;
- break;
-
- default:;
- }
-
- /* Add swizzle. */
- for (i = 0; i < 4; i++) {
- switch (desc->swizzle[i]) {
- case UTIL_FORMAT_SWIZZLE_X:
- case UTIL_FORMAT_SWIZZLE_NONE:
- result |= R300_TX_FORMAT_X << swizzle_shift[i];
- break;
- case UTIL_FORMAT_SWIZZLE_Y:
- result |= R300_TX_FORMAT_Y << swizzle_shift[i];
- break;
- case UTIL_FORMAT_SWIZZLE_Z:
- result |= R300_TX_FORMAT_Z << swizzle_shift[i];
- break;
- case UTIL_FORMAT_SWIZZLE_W:
- result |= R300_TX_FORMAT_W << swizzle_shift[i];
- break;
- case UTIL_FORMAT_SWIZZLE_0:
- result |= R300_TX_FORMAT_ZERO << swizzle_shift[i];
- break;
- case UTIL_FORMAT_SWIZZLE_1:
- result |= R300_TX_FORMAT_ONE << swizzle_shift[i];
- break;
- default:
- return ~0; /* Unsupported. */
- }
- }
-
- /* Compressed formats. */
- if (desc->layout == UTIL_FORMAT_LAYOUT_DXT) {
- switch (format) {
- case PIPE_FORMAT_DXT1_RGB:
- case PIPE_FORMAT_DXT1_RGBA:
- case PIPE_FORMAT_DXT1_SRGB:
- case PIPE_FORMAT_DXT1_SRGBA:
- return R300_TX_FORMAT_DXT1 | result;
- case PIPE_FORMAT_DXT3_RGBA:
- case PIPE_FORMAT_DXT3_SRGBA:
- return R300_TX_FORMAT_DXT3 | result;
- case PIPE_FORMAT_DXT5_RGBA:
- case PIPE_FORMAT_DXT5_SRGBA:
- return R300_TX_FORMAT_DXT5 | result;
- default:
- return ~0; /* Unsupported/unknown. */
- }
- }
-
- /* Get the number of components. */
- for (i = 0; i < 4; i++) {
- if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
- ++components;
- }
- }
-
- /* Add sign. */
- for (i = 0; i < components; i++) {
- if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) {
- result |= sign_bit[i];
- }
- }
-
- /* See whether the components are of the same size. */
- for (i = 1; i < components; i++) {
- uniform = uniform && desc->channel[0].size == desc->channel[i].size;
- }
-
- /* Non-uniform formats. */
- if (!uniform) {
- switch (components) {
- case 3:
- if (desc->channel[0].size == 5 &&
- desc->channel[1].size == 6 &&
- desc->channel[2].size == 5) {
- return R300_TX_FORMAT_Z5Y6X5 | result;
- }
- if (desc->channel[0].size == 5 &&
- desc->channel[1].size == 5 &&
- desc->channel[2].size == 6) {
- return R300_TX_FORMAT_Z6Y5X5 | result;
- }
- return ~0; /* Unsupported/unknown. */
-
- case 4:
- if (desc->channel[0].size == 5 &&
- desc->channel[1].size == 5 &&
- desc->channel[2].size == 5 &&
- desc->channel[3].size == 1) {
- return R300_TX_FORMAT_W1Z5Y5X5 | result;
- }
- if (desc->channel[0].size == 10 &&
- desc->channel[1].size == 10 &&
- desc->channel[2].size == 10 &&
- desc->channel[3].size == 2) {
- return R300_TX_FORMAT_W2Z10Y10X10 | result;
- }
- }
- return ~0; /* Unsupported/unknown. */
- }
-
- /* And finally, uniform formats. */
- switch (desc->channel[0].type) {
- case UTIL_FORMAT_TYPE_UNSIGNED:
- case UTIL_FORMAT_TYPE_SIGNED:
- if (!desc->channel[0].normalized) {
- return ~0;
- }
-
- switch (desc->channel[0].size) {
- case 4:
- switch (components) {
- case 2:
- return R300_TX_FORMAT_Y4X4 | result;
- case 4:
- return R300_TX_FORMAT_W4Z4Y4X4 | result;
- }
- return ~0;
-
- case 8:
- switch (components) {
- case 1:
- return R300_TX_FORMAT_X8 | result;
- case 2:
- return R300_TX_FORMAT_Y8X8 | result;
- case 4:
- return R300_TX_FORMAT_W8Z8Y8X8 | result;
- }
- return ~0;
-
- case 16:
- switch (components) {
- case 1:
- return R300_TX_FORMAT_X16 | result;
- case 2:
- return R300_TX_FORMAT_Y16X16 | result;
- case 4:
- return R300_TX_FORMAT_W16Z16Y16X16 | result;
- }
- }
- return ~0;
-
-/* XXX Enable float textures here. */
-#if 0
- case UTIL_FORMAT_TYPE_FLOAT:
- switch (desc->channel[0].size) {
- case 16:
- switch (components) {
- case 1:
- return R300_TX_FORMAT_16F | result;
- case 2:
- return R300_TX_FORMAT_16F_16F | result;
- case 4:
- return R300_TX_FORMAT_16F_16F_16F_16F | result;
- }
- return ~0;
-
- case 32:
- switch (components) {
- case 1:
- return R300_TX_FORMAT_32F | result;
- case 2:
- return R300_TX_FORMAT_32F_32F | result;
- case 4:
- return R300_TX_FORMAT_32F_32F_32F_32F | result;
- }
- }
-#endif
- }
-
- return ~0; /* Unsupported/unknown. */
-}
-
-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_screen* screen,
- struct pipe_texture* texture,
- struct pipe_buffer** buffer,
- unsigned* stride);
-
-#endif /* R300_WINSYS_H */
+#include "pipe/p_compiler.h"
+#include "pipe/p_format.h"
+#include "pipe/p_screen.h"
+
+struct pipe_screen;
+struct pipe_context;
+struct pipe_resource;
+struct winsys_handle;
+struct r300_texture_format_state;
+struct r300_texture_desc;
+struct r300_resource;
+struct r300_screen;
+
+unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format,
+ const unsigned char *swizzle_view,
+ boolean dxtc_swizzle);
+
+uint32_t r300_translate_texformat(enum pipe_format format,
+ const unsigned char *swizzle_view,
+ boolean is_r500,
+ boolean dxtc_swizzle);
+
+uint32_t r500_tx_format_msb_bit(enum pipe_format format);
+
+boolean r300_is_colorbuffer_format_supported(enum pipe_format format);
+
+boolean r300_is_zs_format_supported(enum pipe_format format);
+
+boolean r300_is_sampler_format_supported(enum pipe_format format);
+
+void r300_texture_setup_format_state(struct r300_screen *screen,
+ struct r300_resource *tex,
+ enum pipe_format format,
+ unsigned level,
+ unsigned width0_override,
+ unsigned height0_override,
+ struct r300_texture_format_state *out);
+
+boolean r300_resource_get_handle(struct pipe_screen* screen,
+ struct pipe_resource *texture,
+ struct winsys_handle *whandle,
+ unsigned usage);
+
+struct pipe_resource*
+r300_texture_from_handle(struct pipe_screen* screen,
+ const struct pipe_resource* base,
+ struct winsys_handle *whandle,
+ unsigned usage);
+
+struct pipe_resource*
+r300_texture_create(struct pipe_screen* screen,
+ const struct pipe_resource* templ);
+
+struct pipe_surface* r300_create_surface_custom(struct pipe_context * ctx,
+ struct pipe_resource* texture,
+ const struct pipe_surface *surf_tmpl,
+ unsigned width0_override,
+ unsigned height0_override);
+
+struct pipe_surface* r300_create_surface(struct pipe_context *ctx,
+ struct pipe_resource* texture,
+ const struct pipe_surface *surf_tmpl);
+
+void r300_surface_destroy(struct pipe_context *ctx, struct pipe_surface* s);
#endif /* R300_TEXTURE_H */
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