* 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.
#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.
* 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 union pipe_color_union *color);
+ const union blitter_attrib *attrib);
/* Whether the blitter is running. */
- boolean 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, *saved_gs; /**< shaders */
+ 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;
- boolean is_sample_mask_saved;
+ 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;
- int saved_num_so_targets;
+ 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);
+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,
- 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 union pipe_color_union *attrib);
+ const union blitter_attrib *attrib);
+
/*
* These states must be saved before any of the following functions are called:
* - 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,
- enum pipe_format cbuf_format,
const union pipe_color_union *color,
- double depth, unsigned stencil);
+ double depth, unsigned stencil,
+ bool msaa);
/**
* Check if the blitter (with the help of the driver) can blit between
* the two resources.
- * The mask is a combination of the PIPE_MASK_* flags.
- * Set to PIPE_MASK_RGBAZS if unsure.
*/
-boolean util_blitter_is_copy_supported(struct blitter_context *blitter,
- const struct pipe_resource *dst,
- const struct pipe_resource *src,
- unsigned mask);
+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 from and the latter can be rendered to. Otherwise,
- * a software fallback path is taken and both surfaces must be of the same
- * format.
- *
- * Only one sample of a multisample texture can be copied and is specified by
- * src_sample. If the destination is a multisample resource, dst_sample_mask
- * specifies the sample mask. For single-sample resources, set dst_sample_mask
- * to ~0.
- *
* These states must be saved in the blitter in addition to the state objects
* already required to be saved:
* - fragment shader
* - 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 dst_sample_mask,
+ unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src,
- unsigned src_level, unsigned src_sample,
+ unsigned src_level,
const struct pipe_box *srcbox);
/**
- * Same as util_blitter_copy_texture, but dst and src are pipe_surface and
- * pipe_sampler_view, respectively. The mipmap level and dstz are part of
- * the views.
+ * 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 usually needed to accelerate copying of
- * compressed formats.
+ * 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
*
* The mask is a combination of the PIPE_MASK_* flags.
* Set to PIPE_MASK_RGBAZS if unsure.
- *
- * NOTE: There are no checks whether the blit is actually supported.
*/
-void util_blitter_copy_texture_view(struct blitter_context *blitter,
- struct pipe_surface *dst,
- unsigned dst_sample_mask,
- unsigned dstx, unsigned dsty,
- struct pipe_sampler_view *src,
- unsigned src_sample,
- const struct pipe_box *srcbox,
- unsigned src_width0, unsigned src_height0,
- unsigned mask);
+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.
void util_blitter_default_dst_texture(struct pipe_surface *dst_templ,
struct pipe_resource *dst,
unsigned dstlevel,
- unsigned dstz,
- const struct pipe_box *srcbox);
+ 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 pipe_sampler_view *src_templ,
+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.
- * Some alignment is required, otherwise software fallback is used.
+ * 4-byte alignment is required, otherwise software fallback is used.
*/
void util_blitter_copy_buffer(struct blitter_context *blitter,
struct pipe_resource *dst,
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.
*
unsigned dst_layer,
struct pipe_resource *src,
unsigned src_layer,
- void *custom_blend);
+ 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
*
* 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;
}
-static INLINE
-void util_blitter_save_geometry_shader(struct blitter_context *blitter,
- void *gs)
+static inline void
+util_blitter_save_geometry_shader(struct blitter_context *blitter, void *gs)
{
blitter->saved_gs = gs;
}
-static INLINE
-void util_blitter_save_framebuffer(struct blitter_context *blitter,
- const struct pipe_framebuffer_state *state)
+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)
{
blitter->saved_fb_state.nr_cbufs = 0; /* It's ~0 now, meaning it's unsaved. */
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_fragment_sampler_states(
+static inline void
+util_blitter_save_scissor(struct blitter_context *blitter,
+ struct pipe_scissor_state *state)
+{
+ blitter->saved_scissor = *state;
+}
+
+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)
{
- assert(num_vertex_buffers <= Elements(blitter->saved_vertex_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));
+}
- blitter->saved_num_vertex_buffers = 0;
- util_copy_vertex_buffers(blitter->saved_vertex_buffers,
- (unsigned*)&blitter->saved_num_vertex_buffers,
- vertex_buffers,
- num_vertex_buffers);
+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
+static inline void
util_blitter_save_so_targets(struct blitter_context *blitter,
- int num_targets,
+ unsigned num_targets,
struct pipe_stream_output_target **targets)
{
unsigned i;
- assert(num_targets <= Elements(blitter->saved_so_targets));
+ assert(num_targets <= ARRAY_SIZE(blitter->saved_so_targets));
blitter->saved_num_so_targets = num_targets;
for (i = 0; i < num_targets; i++)
targets[i]);
}
-static INLINE void
+static inline void
util_blitter_save_sample_mask(struct blitter_context *blitter,
unsigned sample_mask)
{
- blitter->is_sample_mask_saved = TRUE;
+ 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;
+}
+
+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);
+
+/* 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
}
#endif