X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fauxiliary%2Futil%2Fu_blitter.h;h=72130adb4227a712bab3980bc79d9c47de2aba53;hb=1c8bcad81a7ce106b37f1ee4a75b817651d6545e;hp=f316587dea02c19f8e1d868bc38af8ef319d143d;hpb=3e54d63429fe7ca5db3c75c181abbaf7a7f55724;p=mesa.git diff --git a/src/gallium/auxiliary/util/u_blitter.h b/src/gallium/auxiliary/util/u_blitter.h index f316587dea0..72130adb422 100644 --- a/src/gallium/auxiliary/util/u_blitter.h +++ b/src/gallium/auxiliary/util/u_blitter.h @@ -17,7 +17,7 @@ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. @@ -27,12 +27,11 @@ #ifndef U_BLITTER_H #define U_BLITTER_H +#include "util/u_framebuffer.h" #include "util/u_inlines.h" -#include "util/u_memory.h" #include "pipe/p_state.h" - #ifdef __cplusplus extern "C" { #endif @@ -42,25 +41,43 @@ struct pipe_context; enum blitter_attrib_type { UTIL_BLITTER_ATTRIB_NONE, UTIL_BLITTER_ATTRIB_COLOR, - UTIL_BLITTER_ATTRIB_TEXCOORD + UTIL_BLITTER_ATTRIB_TEXCOORD_XY, + UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW, +}; + +union blitter_attrib { + float color[4]; + + struct { + float x1, y1, x2, y2, z, w; + } texcoord; }; +struct blitter_context; + +typedef void *(*blitter_get_vs_func)(struct blitter_context *blitter); + struct blitter_context { /** * Draw a rectangle. * + * \param get_vs Callback for obtaining the vertex shader for the draw call. + * It might invoke the shader compiler. The driver is + * responsible for setting the vertex shader, and the callback + * allows the driver to query the vertex shader CSO if it + * wants to use the default one. * \param x1 An X coordinate of the top-left corner. * \param y1 A Y coordinate of the top-left corner. * \param x2 An X coordinate of the bottom-right corner. * \param y2 A Y coordinate of the bottom-right corner. - * \param depth A depth which the rectangle is rendered at. + * \param depth A depth which the rectangle is rendered at. * * \param type Semantics of the attributes "attrib". * If type is UTIL_BLITTER_ATTRIB_NONE, ignore them. * If type is UTIL_BLITTER_ATTRIB_COLOR, the attributes - * make up a constant RGBA color, and should go to the COLOR0 - * varying slot of a fragment shader. + * make up a constant RGBA color, and should go + * to the GENERIC0 varying slot of a fragment shader. * If type is UTIL_BLITTER_ATTRIB_TEXCOORD, {a1, a2} and * {a3, a4} specify top-left and bottom-right texture * coordinates of the rectangle, respectively, and should go @@ -73,10 +90,17 @@ struct blitter_context * a rectangular point sprite. */ void (*draw_rectangle)(struct blitter_context *blitter, - unsigned x1, unsigned y1, unsigned x2, unsigned y2, - float depth, + void *vertex_elements_cso, + blitter_get_vs_func get_vs, + int x1, int y1, int x2, int y2, + float depth, unsigned num_instances, enum blitter_attrib_type type, - const float attrib[4]); + const union blitter_attrib *attrib); + + /* Whether the blitter is running. */ + bool running; + + bool use_index_buffer; /* Private members, really. */ struct pipe_context *pipe; /**< pipe context */ @@ -85,21 +109,38 @@ struct blitter_context void *saved_dsa_state; /**< depth stencil alpha state */ void *saved_velem_state; /**< vertex elements state */ void *saved_rs_state; /**< rasterizer state */ - void *saved_fs, *saved_vs; /**< fragment shader, vertex shader */ + void *saved_fs, *saved_vs, *saved_gs, *saved_tcs, *saved_tes; /**< shaders */ struct pipe_framebuffer_state saved_fb_state; /**< framebuffer state */ struct pipe_stencil_ref saved_stencil_ref; /**< stencil ref */ struct pipe_viewport_state saved_viewport; - struct pipe_clip_state saved_clip; + struct pipe_scissor_state saved_scissor; + bool skip_viewport_restore; + bool is_sample_mask_saved; + unsigned saved_sample_mask; - int saved_num_sampler_states; + unsigned saved_num_sampler_states; void *saved_sampler_states[PIPE_MAX_SAMPLERS]; - int saved_num_sampler_views; + unsigned saved_num_sampler_views; struct pipe_sampler_view *saved_sampler_views[PIPE_MAX_SAMPLERS]; - int saved_num_vertex_buffers; - struct pipe_vertex_buffer saved_vertex_buffers[PIPE_MAX_ATTRIBS]; + unsigned cb_slot; + struct pipe_constant_buffer saved_fs_constant_buffer; + + unsigned vb_slot; + struct pipe_vertex_buffer saved_vertex_buffer; + + unsigned saved_num_so_targets; + struct pipe_stream_output_target *saved_so_targets[PIPE_MAX_SO_BUFFERS]; + + struct pipe_query *saved_render_cond_query; + uint saved_render_cond_mode; + bool saved_render_cond_cond; + + boolean saved_window_rectangles_include; + unsigned saved_num_window_rectangles; + struct pipe_scissor_state saved_window_rectangles[PIPE_MAX_WINDOW_RECTANGLES]; }; /** @@ -112,75 +153,192 @@ struct blitter_context *util_blitter_create(struct pipe_context *pipe); */ void util_blitter_destroy(struct blitter_context *blitter); +void util_blitter_cache_all_shaders(struct blitter_context *blitter); +void *util_blitter_get_noop_blend_state(struct blitter_context *blitter); +void *util_blitter_get_noop_dsa_state(struct blitter_context *blitter); +void *util_blitter_get_discard_rasterizer_state(struct blitter_context *blitter); + + /** * Return the pipe context associated with a blitter context. */ -static INLINE +static inline struct pipe_context *util_blitter_get_pipe(struct blitter_context *blitter) { return blitter->pipe; } +/** + * Override PIPE_CAP_TEXTURE_MULTISAMPLE as reported by the driver. + */ +void util_blitter_set_texture_multisample(struct blitter_context *blitter, + bool supported); + +/* The default function to draw a rectangle. This can only be used + * inside of the draw_rectangle callback if the driver overrides it. */ +void util_blitter_draw_rectangle(struct blitter_context *blitter, + void *vertex_elements_cso, + blitter_get_vs_func get_vs, + int x1, int y1, int x2, int y2, + float depth, unsigned num_instances, + enum blitter_attrib_type type, + const union blitter_attrib *attrib); + + /* - * These CSOs must be saved before any of the following functions is called: - * - blend state - * - depth stencil alpha state - * - rasterizer state + * These states must be saved before any of the following functions are called: + * - vertex buffers + * - vertex elements * - vertex shader - * - fragment shader + * - geometry shader (if supported) + * - stream output targets (if supported) + * - rasterizer state */ /** * Clear a specified set of currently bound buffers to specified values. + * + * These states must be saved in the blitter in addition to the state objects + * already required to be saved: + * - fragment shader + * - depth stencil alpha state + * - blend state */ void util_blitter_clear(struct blitter_context *blitter, - unsigned width, unsigned height, - unsigned num_cbufs, + unsigned width, unsigned height, unsigned num_layers, unsigned clear_buffers, - const float *rgba, - double depth, unsigned stencil); + const union pipe_color_union *color, + double depth, unsigned stencil, + bool msaa); + +/** + * Check if the blitter (with the help of the driver) can blit between + * the two resources. + */ +bool util_blitter_is_copy_supported(struct blitter_context *blitter, + const struct pipe_resource *dst, + const struct pipe_resource *src); + +bool util_blitter_is_blit_supported(struct blitter_context *blitter, + const struct pipe_blit_info *info); /** * Copy a block of pixels from one surface to another. * - * You can copy from any color format to any other color format provided - * the former can be sampled and the latter can be rendered to. Otherwise, - * a software fallback path is taken and both surfaces must be of the same - * format. - * - * The same holds for depth-stencil formats with the exception that stencil - * cannot be copied unless you set ignore_stencil to FALSE. In that case, - * a software fallback path is taken and both surfaces must be of the same - * format. - * - * Use pipe_screen->is_format_supported to know your options. - * * These states must be saved in the blitter in addition to the state objects * already required to be saved: - * - framebuffer state + * - fragment shader + * - depth stencil alpha state + * - blend state * - fragment sampler states * - fragment sampler textures + * - framebuffer state + * - sample mask + */ +void util_blitter_copy_texture(struct blitter_context *blitter, + struct pipe_resource *dst, + unsigned dst_level, + unsigned dstx, unsigned dsty, unsigned dstz, + struct pipe_resource *src, + unsigned src_level, + const struct pipe_box *srcbox); + +/** + * This is a generic implementation of pipe->blit, which accepts + * sampler/surface views instead of resources. + * + * The layer and mipmap level are specified by the views. + * + * Drivers can use this to change resource properties (like format, width, + * height) by changing how the views interpret them, instead of changing + * pipe_resource directly. This is used to blit resources of formats which + * are not renderable. + * + * src_width0 and src_height0 are sampler_view-private properties that + * override pipe_resource. The blitter uses them for computation of texture + * coordinates. The dst dimensions are supplied through pipe_surface::width + * and height. + * + * The mask is a combination of the PIPE_MASK_* flags. + * Set to PIPE_MASK_RGBAZS if unsure. + */ +void util_blitter_blit_generic(struct blitter_context *blitter, + struct pipe_surface *dst, + const struct pipe_box *dstbox, + struct pipe_sampler_view *src, + const struct pipe_box *srcbox, + unsigned src_width0, unsigned src_height0, + unsigned mask, unsigned filter, + const struct pipe_scissor_state *scissor, + bool alpha_blend); + +void util_blitter_blit(struct blitter_context *blitter, + const struct pipe_blit_info *info); + +void util_blitter_generate_mipmap(struct blitter_context *blitter, + struct pipe_resource *tex, + enum pipe_format format, + unsigned base_level, unsigned last_level, + unsigned first_layer, unsigned last_layer); + +/** + * Helper function to initialize a view for copy_texture_view. + * The parameters must match copy_texture_view. */ -void util_blitter_copy_region(struct blitter_context *blitter, +void util_blitter_default_dst_texture(struct pipe_surface *dst_templ, + struct pipe_resource *dst, + unsigned dstlevel, + unsigned dstz); + +/** + * Helper function to initialize a view for copy_texture_view. + * The parameters must match copy_texture_view. + */ +void util_blitter_default_src_texture(struct blitter_context *blitter, + struct pipe_sampler_view *src_templ, + struct pipe_resource *src, + unsigned srclevel); + +/** + * Copy data from one buffer to another using the Stream Output functionality. + * 4-byte alignment is required, otherwise software fallback is used. + */ +void util_blitter_copy_buffer(struct blitter_context *blitter, struct pipe_resource *dst, - struct pipe_subresource subdst, - unsigned dstx, unsigned dsty, unsigned dstz, + unsigned dstx, struct pipe_resource *src, - struct pipe_subresource subsrc, - unsigned srcx, unsigned srcy, unsigned srcz, - unsigned width, unsigned height, - boolean ignore_stencil); + unsigned srcx, + unsigned size); + +/** + * Clear the contents of a buffer using the Stream Output functionality. + * 4-byte alignment is required. + * + * "num_channels" can be 1, 2, 3, or 4, and specifies if the clear value is + * R, RG, RGB, or RGBA. + * + * For each element, only "num_channels" components of "clear_value" are + * copied to the buffer, then the offset is incremented by num_channels*4. + */ +void util_blitter_clear_buffer(struct blitter_context *blitter, + struct pipe_resource *dst, + unsigned offset, unsigned size, + unsigned num_channels, + const union pipe_color_union *clear_value); /** * Clear a region of a (color) surface to a constant value. * * These states must be saved in the blitter in addition to the state objects * already required to be saved: + * - fragment shader + * - depth stencil alpha state + * - blend state * - framebuffer state */ void util_blitter_clear_render_target(struct blitter_context *blitter, struct pipe_surface *dst, - const float *rgba, + const union pipe_color_union *color, unsigned dstx, unsigned dsty, unsigned width, unsigned height); @@ -190,6 +348,9 @@ void util_blitter_clear_render_target(struct blitter_context *blitter, * * These states must be saved in the blitter in addition to the state objects * already required to be saved: + * - fragment shader + * - depth stencil alpha state + * - blend state * - framebuffer state */ void util_blitter_clear_depth_stencil(struct blitter_context *blitter, @@ -200,139 +361,158 @@ void util_blitter_clear_depth_stencil(struct blitter_context *blitter, unsigned dstx, unsigned dsty, unsigned width, unsigned height); -void util_blitter_flush_depth_stencil(struct blitter_context *blitter, - struct pipe_surface *dstsurf); +/* The following functions are customized variants of the clear functions. + * Some drivers use them internally to do things like MSAA resolve + * and resource decompression. It usually consists of rendering a full-screen + * quad with a special blend or DSA state. + */ + +/* Used by r300g for depth decompression. */ +void util_blitter_custom_clear_depth(struct blitter_context *blitter, + unsigned width, unsigned height, + double depth, void *custom_dsa); + +/* Used by r600g for depth decompression. */ +void util_blitter_custom_depth_stencil(struct blitter_context *blitter, + struct pipe_surface *zsurf, + struct pipe_surface *cbsurf, + unsigned sample_mask, + void *dsa_stage, float depth); + +/* Used by r600g for color decompression. */ +void util_blitter_custom_color(struct blitter_context *blitter, + struct pipe_surface *dstsurf, + void *custom_blend); + +/* Used by r600g for MSAA color resolve. */ +void util_blitter_custom_resolve_color(struct blitter_context *blitter, + struct pipe_resource *dst, + unsigned dst_level, + unsigned dst_layer, + struct pipe_resource *src, + unsigned src_layer, + unsigned sampled_mask, + void *custom_blend, + enum pipe_format format); + +/* Used by vc4 for 8/16-bit linear-to-tiled blits */ +void util_blitter_custom_shader(struct blitter_context *blitter, + struct pipe_surface *dstsurf, + void *custom_vs, void *custom_fs); + /* The functions below should be used to save currently bound constant state * objects inside a driver. The objects are automatically restored at the end * of the util_blitter_{clear, copy_region, fill_region} functions and then * forgotten. * - * CSOs not listed here are not affected by util_blitter. */ + * States not listed here are not affected by util_blitter. */ -static INLINE -void util_blitter_save_blend(struct blitter_context *blitter, - void *state) +static inline void +util_blitter_save_blend(struct blitter_context *blitter, void *state) { blitter->saved_blend_state = state; } -static INLINE -void util_blitter_save_depth_stencil_alpha(struct blitter_context *blitter, - void *state) +static inline void +util_blitter_save_depth_stencil_alpha(struct blitter_context *blitter, + void *state) { blitter->saved_dsa_state = state; } -static INLINE -void util_blitter_save_vertex_elements(struct blitter_context *blitter, - void *state) +static inline void +util_blitter_save_vertex_elements(struct blitter_context *blitter, void *state) { blitter->saved_velem_state = state; } -static INLINE -void util_blitter_save_stencil_ref(struct blitter_context *blitter, - const struct pipe_stencil_ref *state) +static inline void +util_blitter_save_stencil_ref(struct blitter_context *blitter, + const struct pipe_stencil_ref *state) { blitter->saved_stencil_ref = *state; } -static INLINE -void util_blitter_save_rasterizer(struct blitter_context *blitter, - void *state) +static inline void +util_blitter_save_rasterizer(struct blitter_context *blitter, void *state) { blitter->saved_rs_state = state; } -static INLINE -void util_blitter_save_fragment_shader(struct blitter_context *blitter, - void *fs) +static inline void +util_blitter_save_fragment_shader(struct blitter_context *blitter, void *fs) { blitter->saved_fs = fs; } -static INLINE -void util_blitter_save_vertex_shader(struct blitter_context *blitter, - void *vs) +static inline void +util_blitter_save_vertex_shader(struct blitter_context *blitter, void *vs) { blitter->saved_vs = vs; } -/* XXX This should probably be moved elsewhere. */ -static INLINE -void util_assign_framebuffer_state(struct pipe_framebuffer_state *dst, - const struct pipe_framebuffer_state *src) +static inline void +util_blitter_save_geometry_shader(struct blitter_context *blitter, void *gs) { - unsigned i; + blitter->saved_gs = gs; +} - if (src) { - /* Reference all surfaces. */ - for (i = 0; i < src->nr_cbufs; i++) { - pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]); - } - for (; i < dst->nr_cbufs; i++) { - pipe_surface_reference(&dst->cbufs[i], NULL); - } - - pipe_surface_reference(&dst->zsbuf, src->zsbuf); - - dst->nr_cbufs = src->nr_cbufs; - dst->width = src->width; - dst->height = src->height; - } else { - /* Set all surfaces to NULL. */ - for (i = 0; i < dst->nr_cbufs; i++) { - pipe_surface_reference(&dst->cbufs[i], NULL); - } - - pipe_surface_reference(&dst->zsbuf, NULL); - - dst->nr_cbufs = 0; - } +static inline void +util_blitter_save_tessctrl_shader(struct blitter_context *blitter, + void *sh) +{ + blitter->saved_tcs = sh; +} + +static inline void +util_blitter_save_tesseval_shader(struct blitter_context *blitter, + void *sh) +{ + blitter->saved_tes = sh; } -static INLINE -void util_blitter_save_framebuffer(struct blitter_context *blitter, - const struct pipe_framebuffer_state *state) +static inline void +util_blitter_save_framebuffer(struct blitter_context *blitter, + const struct pipe_framebuffer_state *state) { blitter->saved_fb_state.nr_cbufs = 0; /* It's ~0 now, meaning it's unsaved. */ - util_assign_framebuffer_state(&blitter->saved_fb_state, state); + util_copy_framebuffer_state(&blitter->saved_fb_state, state); } -static INLINE -void util_blitter_save_viewport(struct blitter_context *blitter, - struct pipe_viewport_state *state) +static inline void +util_blitter_save_viewport(struct blitter_context *blitter, + struct pipe_viewport_state *state) { blitter->saved_viewport = *state; } -static INLINE -void util_blitter_save_clip(struct blitter_context *blitter, - struct pipe_clip_state *state) +static inline void +util_blitter_save_scissor(struct blitter_context *blitter, + struct pipe_scissor_state *state) { - blitter->saved_clip = *state; + blitter->saved_scissor = *state; } -static INLINE -void util_blitter_save_fragment_sampler_states( +static inline void +util_blitter_save_fragment_sampler_states( struct blitter_context *blitter, - int num_sampler_states, + unsigned num_sampler_states, void **sampler_states) { - assert(num_sampler_states <= Elements(blitter->saved_sampler_states)); + assert(num_sampler_states <= ARRAY_SIZE(blitter->saved_sampler_states)); blitter->saved_num_sampler_states = num_sampler_states; memcpy(blitter->saved_sampler_states, sampler_states, num_sampler_states * sizeof(void *)); } -static INLINE void +static inline void util_blitter_save_fragment_sampler_views(struct blitter_context *blitter, - int num_views, + unsigned num_views, struct pipe_sampler_view **views) { unsigned i; - assert(num_views <= Elements(blitter->saved_sampler_views)); + assert(num_views <= ARRAY_SIZE(blitter->saved_sampler_views)); blitter->saved_num_sampler_views = num_views; for (i = 0; i < num_views; i++) @@ -340,26 +520,116 @@ util_blitter_save_fragment_sampler_views(struct blitter_context *blitter, views[i]); } -static INLINE void -util_blitter_save_vertex_buffers(struct blitter_context *blitter, - int num_vertex_buffers, - struct pipe_vertex_buffer *vertex_buffers) +static inline void +util_blitter_save_fragment_constant_buffer_slot( + struct blitter_context *blitter, + struct pipe_constant_buffer *constant_buffers) +{ + pipe_resource_reference(&blitter->saved_fs_constant_buffer.buffer, + constant_buffers[blitter->cb_slot].buffer); + memcpy(&blitter->saved_fs_constant_buffer, &constant_buffers[blitter->cb_slot], + sizeof(struct pipe_constant_buffer)); +} + +static inline void +util_blitter_save_vertex_buffer_slot(struct blitter_context *blitter, + struct pipe_vertex_buffer *vertex_buffers) +{ + pipe_vertex_buffer_reference(&blitter->saved_vertex_buffer, + &vertex_buffers[blitter->vb_slot]); +} + +static inline void +util_blitter_save_so_targets(struct blitter_context *blitter, + unsigned num_targets, + struct pipe_stream_output_target **targets) { unsigned i; - assert(num_vertex_buffers <= Elements(blitter->saved_vertex_buffers)); + assert(num_targets <= ARRAY_SIZE(blitter->saved_so_targets)); - blitter->saved_num_vertex_buffers = num_vertex_buffers; + blitter->saved_num_so_targets = num_targets; + for (i = 0; i < num_targets; i++) + pipe_so_target_reference(&blitter->saved_so_targets[i], + targets[i]); +} + +static inline void +util_blitter_save_sample_mask(struct blitter_context *blitter, + unsigned sample_mask) +{ + blitter->is_sample_mask_saved = true; + blitter->saved_sample_mask = sample_mask; +} + +static inline void +util_blitter_save_render_condition(struct blitter_context *blitter, + struct pipe_query *query, + bool condition, + enum pipe_render_cond_flag mode) +{ + blitter->saved_render_cond_query = query; + blitter->saved_render_cond_mode = mode; + blitter->saved_render_cond_cond = condition; +} - for (i = 0; i < num_vertex_buffers; i++) { - if (vertex_buffers[i].buffer) { - pipe_resource_reference(&blitter->saved_vertex_buffers[i].buffer, - vertex_buffers[i].buffer); - } +static inline void +util_blitter_save_window_rectangles(struct blitter_context *blitter, + boolean include, + unsigned num_rectangles, + const struct pipe_scissor_state *rects) +{ + blitter->saved_window_rectangles_include = include; + blitter->saved_num_window_rectangles = num_rectangles; + if (num_rectangles > 0) { + assert(num_rectangles < ARRAY_SIZE(blitter->saved_window_rectangles)); + memcpy(blitter->saved_window_rectangles, rects, + sizeof(*rects) * num_rectangles); } +} + +void util_blitter_common_clear_setup(struct blitter_context *blitter, + unsigned width, unsigned height, + unsigned clear_buffers, + void *custom_blend, void *custom_dsa); - memcpy(blitter->saved_vertex_buffers, - vertex_buffers, - num_vertex_buffers * sizeof(struct pipe_vertex_buffer)); +void util_blitter_set_running_flag(struct blitter_context *blitter); +void util_blitter_unset_running_flag(struct blitter_context *blitter); + +void util_blitter_restore_vertex_states(struct blitter_context *blitter); +void util_blitter_restore_fragment_states(struct blitter_context *blitter); +void util_blitter_restore_render_cond(struct blitter_context *blitter); +void util_blitter_restore_fb_state(struct blitter_context *blitter); +void util_blitter_restore_textures(struct blitter_context *blitter); +void util_blitter_restore_constant_buffer_state(struct blitter_context *blitter); + +/* These are supported combinations of blits from ZS to color and vice versa. + * The blitter will do the packing/unpacking of depth and stencil + * in the fragment shader. + */ +static inline enum pipe_format +util_blitter_get_color_format_for_zs(enum pipe_format format) +{ + switch (format) { + case PIPE_FORMAT_Z16_UNORM: + return PIPE_FORMAT_R16_UNORM; + + case PIPE_FORMAT_Z32_FLOAT: + return PIPE_FORMAT_R32_FLOAT; + + case PIPE_FORMAT_Z24_UNORM_S8_UINT: + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_S8_UINT_Z24_UNORM: + case PIPE_FORMAT_X8Z24_UNORM: + return PIPE_FORMAT_R32_UINT; + + case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT: + return PIPE_FORMAT_R32G32_UINT; + + case PIPE_FORMAT_Z32_UNORM: + default: + assert(0); + } + return PIPE_FORMAT_NONE; } #ifdef __cplusplus