* 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.
#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
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
* 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 */
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];
};
/**
*/
void util_blitter_destroy(struct blitter_context *blitter);
+void util_blitter_cache_all_shaders(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,
+ const union pipe_color_union *color,
double depth, unsigned stencil);
+/**
+ * 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_copy_region(struct blitter_context *blitter,
+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_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);
*
* 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,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height);
+/* 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++)
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]);
+}
- 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_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;
+}
- memcpy(blitter->saved_vertex_buffers,
- vertex_buffers,
- num_vertex_buffers * sizeof(struct pipe_vertex_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);
+
+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);
+
#ifdef __cplusplus
}
#endif