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render: split render pass API into separate header

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Keeps the main wlr_renderer.h a tad more tidy.
This commit is contained in:
Simon Ser 2023-08-16 19:18:05 +02:00
parent 568b1943b9
commit d3d3e19ffd
2 changed files with 124 additions and 103 deletions
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123
include/wlr/render/pass.h Normal file
View file

@ -0,0 +1,123 @@
/*
* This an unstable interface of wlroots. No guarantees are made regarding the
* future consistency of this API.
*/
#ifndef WLR_USE_UNSTABLE
#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
#endif
#ifndef WLR_RENDER_PASS_H
#define WLR_RENDER_PASS_H
#include <pixman.h>
#include <stdint.h>
#include <wayland-server-core.h>
#include <wlr/util/box.h>
struct wlr_renderer;
struct wlr_buffer;
/**
* A render pass accumulates drawing operations until submitted to the GPU.
*/
struct wlr_render_pass;
/**
* An object that can be queried after a render to get the duration of the render.
*/
struct wlr_render_timer;
struct wlr_buffer_pass_options {
/* Timer to measure the duration of the render pass */
struct wlr_render_timer *timer;
};
/**
* Begin a new render pass with the supplied destination buffer.
*
* Callers must call wlr_render_pass_submit() once they are done with the
* render pass.
*/
struct wlr_render_pass *wlr_renderer_begin_buffer_pass(struct wlr_renderer *renderer,
struct wlr_buffer *buffer, const struct wlr_buffer_pass_options *options);
/**
* Submit the render pass.
*
* The render pass cannot be used after this function is called.
*/
bool wlr_render_pass_submit(struct wlr_render_pass *render_pass);
/**
* Blend modes.
*/
enum wlr_render_blend_mode {
/* Pre-multiplied alpha (default) */
WLR_RENDER_BLEND_MODE_PREMULTIPLIED,
/* Blending is disabled */
WLR_RENDER_BLEND_MODE_NONE,
};
/**
* Filter modes.
*/
enum wlr_scale_filter_mode {
/* bilinear texture filtering (default) */
WLR_SCALE_FILTER_BILINEAR,
/* nearest texture filtering */
WLR_SCALE_FILTER_NEAREST,
};
struct wlr_render_texture_options {
/* Source texture */
struct wlr_texture *texture;
/* Source coordinates, leave empty to render the whole texture */
struct wlr_fbox src_box;
/* Destination coordinates, width/height default to the texture size */
struct wlr_box dst_box;
/* Opacity between 0 (transparent) and 1 (opaque), leave NULL for opaque */
const float *alpha;
/* Clip region, leave NULL to disable clipping */
const pixman_region32_t *clip;
/* Transform applied to the source texture */
enum wl_output_transform transform;
/* Filtering */
enum wlr_scale_filter_mode filter_mode;
/* Blend mode */
enum wlr_render_blend_mode blend_mode;
};
/**
* Render a texture.
*/
void wlr_render_pass_add_texture(struct wlr_render_pass *render_pass,
const struct wlr_render_texture_options *options);
/**
* A color value.
*
* Each channel has values between 0 and 1 inclusive. The R, G, B
* channels need to be pre-multiplied by A.
*/
struct wlr_render_color {
float r, g, b, a;
};
struct wlr_render_rect_options {
/* Rectangle coordinates */
struct wlr_box box;
/* Source color */
struct wlr_render_color color;
/* Clip region, leave NULL to disable clipping */
const pixman_region32_t *clip;
/* Blend mode */
enum wlr_render_blend_mode blend_mode;
};
/**
* Render a rectangle.
*/
void wlr_render_pass_add_rect(struct wlr_render_pass *render_pass,
const struct wlr_render_rect_options *options);
#endif

104
include/wlr/render/wlr_renderer.h
View file

@ -11,6 +11,7 @@
#include <stdint.h> #include <stdint.h>
#include <wayland-server-core.h> #include <wayland-server-core.h>
#include <wlr/render/pass.h>
#include <wlr/render/wlr_texture.h> #include <wlr/render/wlr_texture.h>
#include <wlr/util/box.h> #include <wlr/util/box.h>
@ -156,109 +157,6 @@ int wlr_renderer_get_drm_fd(struct wlr_renderer *r);
*/ */
void wlr_renderer_destroy(struct wlr_renderer *renderer); void wlr_renderer_destroy(struct wlr_renderer *renderer);
/**
* A render pass accumulates drawing operations until submitted to the GPU.
*/
struct wlr_render_pass;
/**
* An object that can be queried after a render to get the duration of the render.
*/
struct wlr_render_timer;
struct wlr_buffer_pass_options {
/* Timer to measure the duration of the render pass */
struct wlr_render_timer *timer;
};
/**
* Begin a new render pass with the supplied destination buffer.
*
* Callers must call wlr_render_pass_submit() once they are done with the
* render pass.
*/
struct wlr_render_pass *wlr_renderer_begin_buffer_pass(struct wlr_renderer *renderer,
struct wlr_buffer *buffer, const struct wlr_buffer_pass_options *options);
/**
* Submit the render pass.
*
* The render pass cannot be used after this function is called.
*/
bool wlr_render_pass_submit(struct wlr_render_pass *render_pass);
/**
* Blend modes.
*/
enum wlr_render_blend_mode {
/* Pre-multiplied alpha (default) */
WLR_RENDER_BLEND_MODE_PREMULTIPLIED,
/* Blending is disabled */
WLR_RENDER_BLEND_MODE_NONE,
};
/**
* Filter modes.
*/
enum wlr_scale_filter_mode {
/* bilinear texture filtering (default) */
WLR_SCALE_FILTER_BILINEAR,
/* nearest texture filtering */
WLR_SCALE_FILTER_NEAREST,
};
struct wlr_render_texture_options {
/* Source texture */
struct wlr_texture *texture;
/* Source coordinates, leave empty to render the whole texture */
struct wlr_fbox src_box;
/* Destination coordinates, width/height default to the texture size */
struct wlr_box dst_box;
/* Opacity between 0 (transparent) and 1 (opaque), leave NULL for opaque */
const float *alpha;
/* Clip region, leave NULL to disable clipping */
const pixman_region32_t *clip;
/* Transform applied to the source texture */
enum wl_output_transform transform;
/* Filtering */
enum wlr_scale_filter_mode filter_mode;
/* Blend mode */
enum wlr_render_blend_mode blend_mode;
};
/**
* Render a texture.
*/
void wlr_render_pass_add_texture(struct wlr_render_pass *render_pass,
const struct wlr_render_texture_options *options);
/**
* A color value.
*
* Each channel has values between 0 and 1 inclusive. The R, G, B
* channels need to be pre-multiplied by A.
*/
struct wlr_render_color {
float r, g, b, a;
};
struct wlr_render_rect_options {
/* Rectangle coordinates */
struct wlr_box box;
/* Source color */
struct wlr_render_color color;
/* Clip region, leave NULL to disable clipping */
const pixman_region32_t *clip;
/* Blend mode */
enum wlr_render_blend_mode blend_mode;
};
/**
* Render a rectangle.
*/
void wlr_render_pass_add_rect(struct wlr_render_pass *render_pass,
const struct wlr_render_rect_options *options);
/** /**
* Allocate and initialise a new render timer. * Allocate and initialise a new render timer.
*/ */