#include "util/u_framebuffer.h"
#include "util/u_inlines.h"
-#include "util/u_memory.h"
#include "pipe/p_state.h"
+/* u_memory.h conflicts with st/mesa */
+#ifndef Elements
+#define Elements(x) (sizeof(x)/sizeof((x)[0]))
+#endif
+
#ifdef __cplusplus
extern "C" {
* a rectangular point sprite.
*/
void (*draw_rectangle)(struct blitter_context *blitter,
- unsigned x1, unsigned y1, unsigned x2, unsigned y2,
+ int x1, int y1, int x2, int y2,
float depth,
enum blitter_attrib_type type,
const union pipe_color_union *color);
+ /**
+ * Get the next surface layer for the pipe surface, i.e. make a copy
+ * of the surface and increment the first and last layer by 1.
+ *
+ * This callback is exposed, so that drivers can override it if needed.
+ */
+ struct pipe_surface *(*get_next_surface_layer)(struct pipe_context *pipe,
+ struct pipe_surface *surf);
+
/* Whether the blitter is running. */
boolean running;
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;
+ boolean 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 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;
+ boolean saved_render_cond_cond;
};
/**
*/
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.
*/
return blitter->pipe;
}
+/**
+ * Override PIPE_CAP_TEXTURE_MULTISAMPLE as reported by the driver.
+ */
+void util_blitter_set_texture_multisample(struct blitter_context *blitter,
+ boolean 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,
+ int x1, int y1, int x2, int y2, float depth,
+ enum blitter_attrib_type type,
+ const union pipe_color_union *attrib);
+
+
/*
* These states must be saved before any of the following functions are called:
* - vertex buffers
* - vertex elements
* - vertex shader
* - geometry shader (if supported)
+ * - stream output targets (if supported)
* - rasterizer state
*/
*/
void util_blitter_clear(struct blitter_context *blitter,
unsigned width, unsigned height,
- unsigned num_cbufs,
unsigned clear_buffers,
- enum pipe_format cbuf_format,
const union pipe_color_union *color,
double depth, unsigned stencil);
-void util_blitter_clear_depth_custom(struct blitter_context *blitter,
- unsigned width, unsigned height,
- double depth, void *custom_dsa);
+/**
+ * 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);
+
+boolean 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.
- *
- * 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.
- * XXX implement hw-accel stencil copy using shader stencil export.
- *
- * 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:
* - 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 dstlevel,
+ unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src,
- unsigned srclevel,
- const struct pipe_box *srcbox,
- boolean ignore_stencil);
+ unsigned src_level,
+ const struct pipe_box *srcbox, unsigned mask,
+ boolean copy_all_samples);
/**
- * 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
* coordinates. The dst dimensions are supplied through pipe_surface::width
* and height.
*
- * NOTE: There are no checks whether the blit is actually supported.
+ * 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,
+ boolean copy_all_samples);
+
+void util_blitter_blit(struct blitter_context *blitter,
+ const struct pipe_blit_info *info);
+
+/**
+ * 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 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,
+ unsigned dstx,
+ struct pipe_resource *src,
+ 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_copy_texture_view(struct blitter_context *blitter,
- struct pipe_surface *dst,
- unsigned dstx, unsigned dsty,
- struct pipe_sampler_view *src,
- const struct pipe_box *srcbox,
- unsigned src_width0, unsigned src_height0);
+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 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);
+
/* 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
}
static INLINE
-void util_blitter_save_clip(struct blitter_context *blitter,
- struct pipe_clip_state *state)
+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(
struct blitter_context *blitter,
- int num_sampler_states,
+ unsigned num_sampler_states,
void **sampler_states)
{
assert(num_sampler_states <= Elements(blitter->saved_sampler_states));
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;
}
static INLINE void
-util_blitter_save_vertex_buffers(struct blitter_context *blitter,
- int num_vertex_buffers,
- struct pipe_vertex_buffer *vertex_buffers)
+util_blitter_save_vertex_buffer_slot(struct blitter_context *blitter,
+ struct pipe_vertex_buffer *vertex_buffers)
+{
+ pipe_resource_reference(&blitter->saved_vertex_buffer.buffer,
+ vertex_buffers[blitter->vb_slot].buffer);
+ memcpy(&blitter->saved_vertex_buffer, &vertex_buffers[blitter->vb_slot],
+ sizeof(struct pipe_vertex_buffer));
+}
+
+static INLINE void
+util_blitter_save_so_targets(struct blitter_context *blitter,
+ unsigned num_targets,
+ struct pipe_stream_output_target **targets)
{
- assert(num_vertex_buffers <= Elements(blitter->saved_vertex_buffers));
+ unsigned i;
+ assert(num_targets <= Elements(blitter->saved_so_targets));
- 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);
+ 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,
+ boolean condition,
+ uint mode)
+{
+ blitter->saved_render_cond_query = query;
+ blitter->saved_render_cond_mode = mode;
+ blitter->saved_render_cond_cond = condition;
}
#ifdef __cplusplus
projects / mesa.git / blobdiff