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Merge pull request #738 from emersion/gles2-renderer-redesign

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Redesign GLES2 renderer
This commit is contained in:
Drew DeVault 2018-03-22 19:59:15 -04:00 committed by GitHub
commit 77d3be66ea
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GPG key ID: 4AEE18F83AFDEB23
21 changed files with 590 additions and 436 deletions
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25
backend/drm/drm.c
View file

@ -582,11 +582,8 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
return false;
}
// OpenGL will read the pixels out upside down,
// so we need to flip the image vertically
enum wl_output_transform transform = wlr_output_transform_compose(
wlr_output_transform_invert(output->transform),
WL_OUTPUT_TRANSFORM_FLIPPED_180);
enum wl_output_transform transform =
wlr_output_transform_invert(output->transform);
wlr_matrix_projection(plane->matrix, plane->surf.width,
plane->surf.height, transform);
@ -643,18 +640,14 @@ static bool wlr_drm_connector_set_cursor(struct wlr_output *output,
wlr_texture_upload_pixels(plane->wlr_tex, WL_SHM_FORMAT_ARGB8888,
stride, width, height, buf);
glViewport(0, 0, plane->surf.width, plane->surf.height);
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
struct wlr_renderer *rend = plane->surf.renderer->wlr_rend;
wlr_renderer_begin(rend, plane->surf.width, plane->surf.height);
wlr_renderer_clear(rend, (float[]){ 0.0, 0.0, 0.0, 0.0 });
wlr_render_texture(rend, plane->wlr_tex, plane->matrix, 0, 0, 1.0f);
wlr_renderer_end(rend);
wlr_render_texture(plane->surf.renderer->wlr_rend, plane->wlr_tex,
plane->matrix, 0, 0, 1.0f);
glFinish();
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, bo_stride);
glReadPixels(0, 0, plane->surf.width, plane->surf.height, GL_BGRA_EXT,
GL_UNSIGNED_BYTE, bo_data);
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0);
wlr_renderer_read_pixels(rend, WL_SHM_FORMAT_ARGB8888, bo_stride,
plane->surf.width, plane->surf.height, 0, 0, 0, 0, bo_data);
wlr_drm_surface_swap_buffers(&plane->surf, NULL);

23
backend/drm/renderer.c
View file

@ -2,7 +2,6 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <gbm.h>
#include <GLES2/gl2.h>
#include <stdbool.h>
#include <stdlib.h>
#include <unistd.h>
@ -107,9 +106,6 @@ void wlr_drm_surface_finish(struct wlr_drm_surface *surf) {
return;
}
eglMakeCurrent(surf->renderer->egl.display, EGL_NO_SURFACE, EGL_NO_SURFACE,
EGL_NO_CONTEXT);
if (surf->front) {
gbm_surface_release_buffer(surf->gbm, surf->front);
}
@ -151,9 +147,10 @@ struct gbm_bo *wlr_drm_surface_get_front(struct wlr_drm_surface *surf) {
}
wlr_drm_surface_make_current(surf, NULL);
glViewport(0, 0, surf->width, surf->height);
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
struct wlr_renderer *renderer = surf->renderer->wlr_rend;
wlr_renderer_begin(renderer, surf->width, surf->height);
wlr_renderer_clear(renderer, (float[]){ 0.0, 0.0, 0.0, 1.0 });
wlr_renderer_end(renderer);
return wlr_drm_surface_swap_buffers(surf, NULL);
}
@ -185,6 +182,8 @@ static struct wlr_texture *get_tex_for_bo(struct wlr_drm_renderer *renderer,
return tex->tex;
}
// TODO: use wlr_texture_upload_dmabuf instead
tex = malloc(sizeof(*tex));
if (!tex) {
wlr_log_errno(L_ERROR, "Allocation failed");
@ -230,14 +229,14 @@ struct gbm_bo *wlr_drm_surface_mgpu_copy(struct wlr_drm_surface *dest,
struct wlr_texture *tex = get_tex_for_bo(dest->renderer, src);
assert(tex);
static const float color[] = {0.0, 0.0, 0.0, 1.0};
float mat[9];
wlr_matrix_projection(mat, 1, 1, WL_OUTPUT_TRANSFORM_FLIPPED_180);
glViewport(0, 0, dest->width, dest->height);
wlr_renderer_clear(dest->renderer->wlr_rend, color);
wlr_render_texture_with_matrix(dest->renderer->wlr_rend, tex, mat, 1.0f);
struct wlr_renderer *renderer = dest->renderer->wlr_rend;
wlr_renderer_begin(renderer, dest->width, dest->height);
wlr_renderer_clear(renderer, (float[]){ 0.0, 0.0, 0.0, 1.0 });
wlr_render_texture_with_matrix(renderer, tex, mat, 1.0f);
wlr_renderer_end(renderer);
return wlr_drm_surface_swap_buffers(dest, NULL);
}

14
backend/headless/output.c
View file

@ -1,8 +1,8 @@
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <GLES2/gl2.h>
#include <stdlib.h>
#include <wlr/interfaces/wlr_output.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/util/log.h>
#include "backend/headless.h"
#include "util/signal.h"
@ -120,16 +120,14 @@ struct wlr_output *wlr_headless_add_output(struct wlr_backend *wlr_backend,
snprintf(wlr_output->name, sizeof(wlr_output->name), "HEADLESS-%d",
wl_list_length(&backend->outputs) + 1);
if (!eglMakeCurrent(output->backend->egl.display,
output->egl_surface, output->egl_surface,
output->backend->egl.context)) {
wlr_log(L_ERROR, "eglMakeCurrent failed");
if (!wlr_egl_make_current(&output->backend->egl, output->egl_surface,
NULL)) {
goto error;
}
glViewport(0, 0, wlr_output->width, wlr_output->height);
glClearColor(1.0, 1.0, 1.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
wlr_renderer_begin(backend->renderer, wlr_output->width, wlr_output->height);
wlr_renderer_clear(backend->renderer, (float[]){ 1.0, 1.0, 1.0, 1.0 });
wlr_renderer_end(backend->renderer);
struct wl_event_loop *ev = wl_display_get_event_loop(backend->display);
output->frame_timer = wl_event_loop_add_timer(ev, signal_frame, output);

21
backend/wayland/output.c
View file

@ -1,5 +1,4 @@
#include <assert.h>
#include <GLES2/gl2.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
@ -9,6 +8,7 @@
#include <unistd.h>
#include <wayland-client.h>
#include <wlr/interfaces/wlr_output.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/util/log.h>
#include "backend/wayland.h"
#include "util/signal.h"
@ -313,27 +313,26 @@ struct wlr_output *wlr_wl_output_create(struct wlr_backend *_backend) {
output->egl_window = wl_egl_window_create(output->surface,
wlr_output->width, wlr_output->height);
output->egl_surface = wlr_egl_create_surface(&backend->egl, output->egl_window);
output->egl_surface = wlr_egl_create_surface(&backend->egl,
output->egl_window);
wl_display_roundtrip(output->backend->remote_display);
// start rendering loop per callbacks by rendering first frame
if (!eglMakeCurrent(output->backend->egl.display,
output->egl_surface, output->egl_surface,
output->backend->egl.context)) {
wlr_log(L_ERROR, "eglMakeCurrent failed");
if (!wlr_egl_make_current(&output->backend->egl, output->egl_surface,
NULL)) {
goto error;
}
glViewport(0, 0, wlr_output->width, wlr_output->height);
glClearColor(1.0, 1.0, 1.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
wlr_renderer_begin(backend->renderer, wlr_output->width, wlr_output->height);
wlr_renderer_clear(backend->renderer, (float[]){ 1.0, 1.0, 1.0, 1.0 });
wlr_renderer_end(backend->renderer);
output->frame_callback = wl_surface_frame(output->surface);
wl_callback_add_listener(output->frame_callback, &frame_listener, output);
if (!eglSwapBuffers(output->backend->egl.display, output->egl_surface)) {
wlr_log(L_ERROR, "eglSwapBuffers failed");
if (!wlr_egl_swap_buffers(&output->backend->egl, output->egl_surface,
NULL)) {
goto error;
}

2
examples/output-layout.c
View file

@ -101,7 +101,7 @@ static void handle_output_frame(struct output_state *output,
struct wlr_output *wlr_output = output->output;
wlr_output_make_current(wlr_output, NULL);
wlr_renderer_begin(sample->renderer, wlr_output);
wlr_renderer_begin(sample->renderer, wlr_output->width, wlr_output->height);
wlr_renderer_clear(sample->renderer, (float[]){0.25f, 0.25f, 0.25f, 1});
animate_cat(sample, output->output);

2
examples/rotation.c
View file

@ -43,7 +43,7 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
wlr_output_effective_resolution(wlr_output, &width, &height);
wlr_output_make_current(wlr_output, NULL);
wlr_renderer_begin(sample->renderer, wlr_output);
wlr_renderer_begin(sample->renderer, wlr_output->width, wlr_output->height);
wlr_renderer_clear(sample->renderer, (float[]){0.25f, 0.25f, 0.25f, 1});
for (int y = -128 + (int)odata->y_offs; y < height; y += 128) {

2
examples/tablet.c
View file

@ -46,7 +46,7 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
wlr_output_effective_resolution(wlr_output, &width, &height);
wlr_output_make_current(wlr_output, NULL);
wlr_renderer_begin(sample->renderer, wlr_output);
wlr_renderer_begin(sample->renderer, wlr_output->width, wlr_output->height);
wlr_renderer_clear(sample->renderer, (float[]){0.25f, 0.25f, 0.25f, 1});
float matrix[9];

2
examples/touch.c
View file

@ -42,7 +42,7 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
wlr_output_effective_resolution(wlr_output, &width, &height);
wlr_output_make_current(wlr_output, NULL);
wlr_renderer_begin(sample->renderer, wlr_output);
wlr_renderer_begin(sample->renderer, wlr_output->width, wlr_output->height);
wlr_renderer_clear(sample->renderer, (float[]){0.25f, 0.25f, 0.25f, 1});
struct touch_point *p;

45
include/render/gles2.h
View file

@ -17,17 +17,25 @@
extern PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;
struct pixel_format {
struct gles2_pixel_format {
uint32_t wl_format;
GLint gl_format, gl_type;
int depth, bpp;
GLuint *shader;
bool has_alpha;
};
struct wlr_gles2_renderer {
struct wlr_renderer wlr_renderer;
struct wlr_egl *egl;
struct {
GLuint quad;
GLuint ellipse;
GLuint tex_rgba;
GLuint tex_rgbx;
GLuint tex_ext;
} shaders;
};
struct wlr_gles2_texture {
@ -35,37 +43,20 @@ struct wlr_gles2_texture {
struct wlr_egl *egl;
GLuint tex_id;
const struct pixel_format *pixel_format;
const struct gles2_pixel_format *pixel_format;
EGLImageKHR image;
GLenum target;
};
struct shaders {
bool initialized;
GLuint rgba, rgbx;
GLuint quad;
GLuint ellipse;
GLuint external;
};
extern struct shaders shaders;
const struct pixel_format *gl_format_for_wl_format(enum wl_shm_format fmt);
const struct gles2_pixel_format *gles2_format_from_wl(enum wl_shm_format fmt);
const enum wl_shm_format *gles2_formats(size_t *len);
struct wlr_texture *gles2_texture_create();
struct wlr_gles2_texture *gles2_get_texture(struct wlr_texture *wlr_texture);
extern const GLchar quad_vertex_src[];
extern const GLchar quad_fragment_src[];
extern const GLchar ellipse_fragment_src[];
extern const GLchar vertex_src[];
extern const GLchar fragment_src_rgba[];
extern const GLchar fragment_src_rgbx[];
extern const GLchar fragment_src_external[];
bool _gles2_flush_errors(const char *file, int line);
#define gles2_flush_errors(...) \
_gles2_flush_errors(wlr_strip_path(__FILE__), __LINE__)
#define GL_CALL(func) func; gles2_flush_errors()
void gles2_push_marker(const char *file, const char *func);
void gles2_pop_marker(void);
#define GLES2_DEBUG_PUSH gles2_push_marker(wlr_strip_path(__FILE__), __func__)
#define GLES2_DEBUG_POP gles2_pop_marker()
#endif

11
include/wlr/render/interface.h
View file

@ -14,11 +14,12 @@
struct wlr_renderer_impl;
struct wlr_renderer {
struct wlr_renderer_impl *impl;
const struct wlr_renderer_impl *impl;
};
struct wlr_renderer_impl {
void (*begin)(struct wlr_renderer *renderer, struct wlr_output *output);
void (*begin)(struct wlr_renderer *renderer, uint32_t width,
uint32_t height);
void (*end)(struct wlr_renderer *renderer);
void (*clear)(struct wlr_renderer *renderer, const float color[static 4]);
void (*scissor)(struct wlr_renderer *renderer, struct wlr_box *box);
@ -44,7 +45,7 @@ struct wlr_renderer_impl {
};
void wlr_renderer_init(struct wlr_renderer *renderer,
struct wlr_renderer_impl *impl);
const struct wlr_renderer_impl *impl);
struct wlr_texture_impl {
bool (*upload_pixels)(struct wlr_texture *texture,
@ -65,13 +66,11 @@ struct wlr_texture_impl {
struct wl_resource *dmabuf_resource);
void (*get_buffer_size)(struct wlr_texture *texture,
struct wl_resource *resource, int *width, int *height);
void (*bind)(struct wlr_texture *texture);
void (*destroy)(struct wlr_texture *texture);
};
void wlr_texture_init(struct wlr_texture *texture,
struct wlr_texture_impl *impl);
void wlr_texture_bind(struct wlr_texture *texture);
const struct wlr_texture_impl *impl);
void wlr_texture_get_buffer_size(struct wlr_texture *texture,
struct wl_resource *resource, int *width, int *height);

2
include/wlr/render/wlr_renderer.h
View file

@ -12,7 +12,7 @@ struct wlr_output;
struct wlr_renderer;
void wlr_renderer_begin(struct wlr_renderer *r, struct wlr_output *output);
void wlr_renderer_begin(struct wlr_renderer *r, int width, int height);
void wlr_renderer_end(struct wlr_renderer *r);
void wlr_renderer_clear(struct wlr_renderer *r, const float color[static 4]);
/**

2
include/wlr/render/wlr_texture.h
View file

@ -9,7 +9,7 @@
struct wlr_texture_impl;
struct wlr_texture {
struct wlr_texture_impl *impl;
const struct wlr_texture_impl *impl;
bool valid;
uint32_t format;

4
render/glapi.txt
View file

@ -11,3 +11,7 @@ eglCreatePlatformWindowSurfaceEXT
-eglQueryDmaBufFormatsEXT
-eglQueryDmaBufModifiersEXT
-eglDebugMessageControlKHR
-glDebugMessageCallbackKHR
-glDebugMessageControlKHR
-glPopDebugGroupKHR
-glPushDebugGroupKHR

25
render/gles2/pixel_format.c
View file

@ -6,14 +6,14 @@
* The wayland formats are little endian while the GL formats are big endian,
* so WL_SHM_FORMAT_ARGB8888 is actually compatible with GL_BGRA_EXT.
*/
struct pixel_format formats[] = {
static const struct gles2_pixel_format formats[] = {
{
.wl_format = WL_SHM_FORMAT_ARGB8888,
.depth = 32,
.bpp = 32,
.gl_format = GL_BGRA_EXT,
.gl_type = GL_UNSIGNED_BYTE,
.shader = &shaders.rgba
.has_alpha = true,
},
{
.wl_format = WL_SHM_FORMAT_XRGB8888,
@ -21,7 +21,7 @@ struct pixel_format formats[] = {
.bpp = 32,
.gl_format = GL_BGRA_EXT,
.gl_type = GL_UNSIGNED_BYTE,
.shader = &shaders.rgbx
.has_alpha = false,
},
{
.wl_format = WL_SHM_FORMAT_XBGR8888,
@ -29,7 +29,7 @@ struct pixel_format formats[] = {
.bpp = 32,
.gl_format = GL_RGBA,
.gl_type = GL_UNSIGNED_BYTE,
.shader = &shaders.rgbx
.has_alpha = false,
},
{
.wl_format = WL_SHM_FORMAT_ABGR8888,
@ -37,12 +37,20 @@ struct pixel_format formats[] = {
.bpp = 32,
.gl_format = GL_RGBA,
.gl_type = GL_UNSIGNED_BYTE,
.shader = &shaders.rgba
.has_alpha = true,
},
};
static const enum wl_shm_format wl_formats[] = {
WL_SHM_FORMAT_ARGB8888,
WL_SHM_FORMAT_XRGB8888,
WL_SHM_FORMAT_ABGR8888,
WL_SHM_FORMAT_XBGR8888,
};
// TODO: more pixel formats
const struct pixel_format *gl_format_for_wl_format(enum wl_shm_format fmt) {
const struct gles2_pixel_format *gles2_format_from_wl(enum wl_shm_format fmt) {
for (size_t i = 0; i < sizeof(formats) / sizeof(*formats); ++i) {
if (formats[i].wl_format == fmt) {
return &formats[i];
@ -50,3 +58,8 @@ const struct pixel_format *gl_format_for_wl_format(enum wl_shm_format fmt) {
}
return NULL;
}
const enum wl_shm_format *gles2_formats(size_t *len) {
*len = sizeof(wl_formats) / sizeof(wl_formats[0]);
return wl_formats;
}

456
render/gles2/renderer.c
View file

@ -2,145 +2,80 @@
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <wayland-server-protocol.h>
#include <wayland-util.h>
#include <wlr/backend.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/render/egl.h>
#include <wlr/render/interface.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_matrix.h>
#include <wlr/util/log.h>
#include "render/gles2.h"
#include "glapi.h"
struct shaders shaders;
static const struct wlr_renderer_impl renderer_impl;
static bool compile_shader(GLuint type, const GLchar *src, GLuint *shader) {
*shader = GL_CALL(glCreateShader(type));
int len = strlen(src);
GL_CALL(glShaderSource(*shader, 1, &src, &len));
GL_CALL(glCompileShader(*shader));
GLint success;
GL_CALL(glGetShaderiv(*shader, GL_COMPILE_STATUS, &success));
if (success == GL_FALSE) {
GLint loglen;
GL_CALL(glGetShaderiv(*shader, GL_INFO_LOG_LENGTH, &loglen));
GLchar msg[loglen];
GL_CALL(glGetShaderInfoLog(*shader, loglen, &loglen, msg));
wlr_log(L_ERROR, "Shader compilation failed");
wlr_log(L_ERROR, "%s", msg);
glDeleteShader(*shader);
return false;
}
return true;
static struct wlr_gles2_renderer *gles2_get_renderer(
struct wlr_renderer *wlr_renderer) {
assert(wlr_renderer->impl == &renderer_impl);
struct wlr_gles2_renderer *renderer =
(struct wlr_gles2_renderer *)wlr_renderer;
assert(eglGetCurrentContext() == renderer->egl->context);
return renderer;
}
static bool compile_program(const GLchar *vert_src,
const GLchar *frag_src, GLuint *program) {
GLuint vertex, fragment;
if (!compile_shader(GL_VERTEX_SHADER, vert_src, &vertex)) {
return false;
}
if (!compile_shader(GL_FRAGMENT_SHADER, frag_src, &fragment)) {
glDeleteShader(vertex);
return false;
}
*program = GL_CALL(glCreateProgram());
GL_CALL(glAttachShader(*program, vertex));
GL_CALL(glAttachShader(*program, fragment));
GL_CALL(glLinkProgram(*program));
GLint success;
GL_CALL(glGetProgramiv(*program, GL_LINK_STATUS, &success));
if (success == GL_FALSE) {
GLint loglen;
GL_CALL(glGetProgramiv(*program, GL_INFO_LOG_LENGTH, &loglen));
GLchar msg[loglen];
GL_CALL(glGetProgramInfoLog(*program, loglen, &loglen, msg));
wlr_log(L_ERROR, "Program link failed");
wlr_log(L_ERROR, "%s", msg);
glDeleteProgram(*program);
glDeleteShader(vertex);
glDeleteShader(fragment);
return false;
}
glDetachShader(*program, vertex);
glDetachShader(*program, fragment);
glDeleteShader(vertex);
glDeleteShader(fragment);
static void gles2_begin(struct wlr_renderer *wlr_renderer, uint32_t width,
uint32_t height) {
gles2_get_renderer(wlr_renderer);
return true;
}
GLES2_DEBUG_PUSH;
static void init_default_shaders() {
if (shaders.initialized) {
return;
}
if (!compile_program(vertex_src, fragment_src_rgba, &shaders.rgba)) {
goto error;
}
if (!compile_program(vertex_src, fragment_src_rgbx, &shaders.rgbx)) {
goto error;
}
if (!compile_program(quad_vertex_src, quad_fragment_src, &shaders.quad)) {
goto error;
}
if (!compile_program(quad_vertex_src, ellipse_fragment_src,
&shaders.ellipse)) {
goto error;
}
if (glEGLImageTargetTexture2DOES) {
if (!compile_program(vertex_src, fragment_src_external,
&shaders.external)) {
goto error;
}
}
wlr_log(L_DEBUG, "Compiled default shaders");
shaders.initialized = true;
return;
error:
wlr_log(L_ERROR, "Failed to set up default shaders!");
}
static void init_globals() {
init_default_shaders();
}
static void wlr_gles2_begin(struct wlr_renderer *wlr_renderer,
struct wlr_output *output) {
GL_CALL(glViewport(0, 0, output->width, output->height));
glViewport(0, 0, width, height);
// enable transparency
GL_CALL(glEnable(GL_BLEND));
GL_CALL(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// Note: maybe we should save output projection and remove some of the need
// XXX: maybe we should save output projection and remove some of the need
// for users to sling matricies themselves
GLES2_DEBUG_POP;
}
static void wlr_gles2_end(struct wlr_renderer *wlr_renderer) {
static void gles2_end(struct wlr_renderer *wlr_renderer) {
gles2_get_renderer(wlr_renderer);
// no-op
}
static void wlr_gles2_clear(struct wlr_renderer *wlr_renderer,
static void gles2_clear(struct wlr_renderer *wlr_renderer,
const float color[static 4]) {
gles2_get_renderer(wlr_renderer);
GLES2_DEBUG_PUSH;
glClearColor(color[0], color[1], color[2], color[3]);
glClear(GL_COLOR_BUFFER_BIT);
GLES2_DEBUG_POP;
}
static void wlr_gles2_scissor(struct wlr_renderer *wlr_renderer,
static void gles2_scissor(struct wlr_renderer *wlr_renderer,
struct wlr_box *box) {
gles2_get_renderer(wlr_renderer);
GLES2_DEBUG_PUSH;
if (box != NULL) {
glScissor(box->x, box->y, box->width, box->height);
glEnable(GL_SCISSOR_TEST);
} else {
glDisable(GL_SCISSOR_TEST);
}
GLES2_DEBUG_POP;
}
static struct wlr_texture *wlr_gles2_texture_create(
static struct wlr_texture *gles2_renderer_texture_create(
struct wlr_renderer *wlr_renderer) {
assert(wlr_renderer->impl == &renderer_impl);
struct wlr_gles2_renderer *renderer =
(struct wlr_gles2_renderer *)wlr_renderer;
return gles2_texture_create(renderer->egl);
@ -160,97 +95,117 @@ static void draw_quad() {
0, 1, // bottom left
};
GL_CALL(glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, verts));
GL_CALL(glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, texcoord));
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, verts);
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, texcoord);
GL_CALL(glEnableVertexAttribArray(0));
GL_CALL(glEnableVertexAttribArray(1));
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
GL_CALL(glDrawArrays(GL_TRIANGLE_STRIP, 0, 4));
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
GL_CALL(glDisableVertexAttribArray(0));
GL_CALL(glDisableVertexAttribArray(1));
glDisableVertexAttribArray(0);
glDisableVertexAttribArray(1);
}
static bool wlr_gles2_render_texture_with_matrix(
struct wlr_renderer *wlr_renderer, struct wlr_texture *texture,
static bool gles2_render_texture_with_matrix(
struct wlr_renderer *wlr_renderer, struct wlr_texture *wlr_texture,
const float matrix[static 9], float alpha) {
if (!texture || !texture->valid) {
struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer);
struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
if (!wlr_texture->valid) {
wlr_log(L_ERROR, "attempt to render invalid texture");
return false;
}
GLuint prog = renderer->shaders.tex_rgba;
if (texture->target == GL_TEXTURE_EXTERNAL_OES) {
prog = renderer->shaders.tex_ext;
} else if (!texture->pixel_format->has_alpha) {
prog = renderer->shaders.tex_rgbx;
}
// OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set
// to GL_FALSE
float transposition[9];
wlr_matrix_transpose(transposition, matrix);
wlr_texture_bind(texture);
GL_CALL(glUniformMatrix3fv(0, 1, GL_FALSE, transposition));
GL_CALL(glUniform1i(1, texture->inverted_y));
GL_CALL(glUniform1f(3, alpha));
GLES2_DEBUG_PUSH;
glBindTexture(texture->target, texture->tex_id);
glTexParameteri(texture->target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(texture->target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glUseProgram(prog);
glUniformMatrix3fv(0, 1, GL_FALSE, transposition);
glUniform1i(1, wlr_texture->inverted_y);
glUniform1f(3, alpha);
draw_quad();
GLES2_DEBUG_POP;
return true;
}
static void wlr_gles2_render_quad(struct wlr_renderer *wlr_renderer,
static void gles2_render_quad(struct wlr_renderer *wlr_renderer,
const float color[static 4], const float matrix[static 9]) {
struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer);
// OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set
// to GL_FALSE
float transposition[9];
wlr_matrix_transpose(transposition, matrix);
GL_CALL(glUseProgram(shaders.quad));
GL_CALL(glUniformMatrix3fv(0, 1, GL_FALSE, transposition));
GL_CALL(glUniform4f(1, color[0], color[1], color[2], color[3]));
GLES2_DEBUG_PUSH;
glUseProgram(renderer->shaders.quad);
glUniformMatrix3fv(0, 1, GL_FALSE, transposition);
glUniform4f(1, color[0], color[1], color[2], color[3]);
draw_quad();
GLES2_DEBUG_POP;
}
static void wlr_gles2_render_ellipse(struct wlr_renderer *wlr_renderer,
static void gles2_render_ellipse(struct wlr_renderer *wlr_renderer,
const float color[static 4], const float matrix[static 9]) {
struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer);
// OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set
// to GL_FALSE
float transposition[9];
wlr_matrix_transpose(transposition, matrix);
GL_CALL(glUseProgram(shaders.ellipse));
GL_CALL(glUniformMatrix3fv(0, 1, GL_FALSE, transposition));
GL_CALL(glUniform4f(1, color[0], color[1], color[2], color[3]));
GLES2_DEBUG_PUSH;
glUseProgram(renderer->shaders.ellipse);
glUniformMatrix3fv(0, 1, GL_FALSE, transposition);
glUniform4f(1, color[0], color[1], color[2], color[3]);
draw_quad();
GLES2_DEBUG_POP;
}
static const enum wl_shm_format *wlr_gles2_formats(
struct wlr_renderer *renderer, size_t *len) {
static enum wl_shm_format formats[] = {
WL_SHM_FORMAT_ARGB8888,
WL_SHM_FORMAT_XRGB8888,
WL_SHM_FORMAT_ABGR8888,
WL_SHM_FORMAT_XBGR8888,
};
*len = sizeof(formats) / sizeof(formats[0]);
return formats;
static const enum wl_shm_format *gles2_renderer_formats(
struct wlr_renderer *wlr_renderer, size_t *len) {
return gles2_formats(len);
}
static bool wlr_gles2_buffer_is_drm(struct wlr_renderer *wlr_renderer,
static bool gles2_buffer_is_drm(struct wlr_renderer *wlr_renderer,
struct wl_resource *buffer) {
struct wlr_gles2_renderer *renderer =
(struct wlr_gles2_renderer *)wlr_renderer;
struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer);
EGLint format;
return wlr_egl_query_buffer(renderer->egl, buffer,
EGL_TEXTURE_FORMAT, &format);
return wlr_egl_query_buffer(renderer->egl, buffer, EGL_TEXTURE_FORMAT,
&format);
}
static bool wlr_gles2_read_pixels(struct wlr_renderer *renderer,
static bool gles2_read_pixels(struct wlr_renderer *wlr_renderer,
enum wl_shm_format wl_fmt, uint32_t stride, uint32_t width,
uint32_t height, uint32_t src_x, uint32_t src_y, uint32_t dst_x,
uint32_t dst_y, void *data) {
const struct pixel_format *fmt = gl_format_for_wl_format(wl_fmt);
gles2_get_renderer(wlr_renderer);
const struct gles2_pixel_format *fmt = gles2_format_from_wl(wl_fmt);
if (fmt == NULL) {
wlr_log(L_ERROR, "Cannot read pixels: unsupported pixel format");
return false;
}
GLES2_DEBUG_PUSH;
// Make sure any pending drawing is finished before we try to read it
glFinish();
@ -262,38 +217,225 @@ static bool wlr_gles2_read_pixels(struct wlr_renderer *renderer,
fmt->gl_type, p + i * stride + dst_x * fmt->bpp / 8);
}
GLES2_DEBUG_POP;
return true;
}
static bool wlr_gles2_format_supported(struct wlr_renderer *r,
static bool gles2_format_supported(struct wlr_renderer *r,
enum wl_shm_format wl_fmt) {
return gl_format_for_wl_format(wl_fmt);
return gles2_format_from_wl(wl_fmt) != NULL;
}
static struct wlr_renderer_impl wlr_renderer_impl = {
.begin = wlr_gles2_begin,
.end = wlr_gles2_end,
.clear = wlr_gles2_clear,
.scissor = wlr_gles2_scissor,
.texture_create = wlr_gles2_texture_create,
.render_texture_with_matrix = wlr_gles2_render_texture_with_matrix,
.render_quad = wlr_gles2_render_quad,
.render_ellipse = wlr_gles2_render_ellipse,
.formats = wlr_gles2_formats,
.buffer_is_drm = wlr_gles2_buffer_is_drm,
.read_pixels = wlr_gles2_read_pixels,
.format_supported = wlr_gles2_format_supported,
static void gles2_destroy(struct wlr_renderer *wlr_renderer) {
struct wlr_gles2_renderer *renderer = gles2_get_renderer(wlr_renderer);
wlr_egl_make_current(renderer->egl, EGL_NO_SURFACE, NULL);
GLES2_DEBUG_PUSH;
glDeleteProgram(renderer->shaders.quad);
glDeleteProgram(renderer->shaders.ellipse);
glDeleteProgram(renderer->shaders.tex_rgba);
glDeleteProgram(renderer->shaders.tex_rgbx);
glDeleteProgram(renderer->shaders.tex_ext);
GLES2_DEBUG_POP;
if (glDebugMessageCallbackKHR) {
glDisable(GL_DEBUG_OUTPUT_KHR);
glDebugMessageCallbackKHR(NULL, NULL);
}
free(renderer);
}
static const struct wlr_renderer_impl renderer_impl = {
.destroy = gles2_destroy,
.begin = gles2_begin,
.end = gles2_end,
.clear = gles2_clear,
.scissor = gles2_scissor,
.texture_create = gles2_renderer_texture_create,
.render_texture_with_matrix = gles2_render_texture_with_matrix,
.render_quad = gles2_render_quad,
.render_ellipse = gles2_render_ellipse,
.formats = gles2_renderer_formats,
.buffer_is_drm = gles2_buffer_is_drm,
.read_pixels = gles2_read_pixels,
.format_supported = gles2_format_supported,
};
void gles2_push_marker(const char *file, const char *func) {
if (!glPushDebugGroupKHR) {
return;
}
int len = snprintf(NULL, 0, "%s:%s", file, func) + 1;
char str[len];
snprintf(str, len, "%s:%s", file, func);
glPushDebugGroupKHR(GL_DEBUG_SOURCE_APPLICATION_KHR, 1, -1, str);
}
void gles2_pop_marker(void) {
if (glPopDebugGroupKHR) {
glPopDebugGroupKHR();
}
}
static log_importance_t gles2_log_importance_to_wlr(GLenum type) {
switch (type) {
case GL_DEBUG_TYPE_ERROR_KHR: return L_ERROR;
case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_KHR: return L_DEBUG;
case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_KHR: return L_ERROR;
case GL_DEBUG_TYPE_PORTABILITY_KHR: return L_DEBUG;
case GL_DEBUG_TYPE_PERFORMANCE_KHR: return L_DEBUG;
case GL_DEBUG_TYPE_OTHER_KHR: return L_INFO;
case GL_DEBUG_TYPE_MARKER_KHR: return L_DEBUG;
case GL_DEBUG_TYPE_PUSH_GROUP_KHR: return L_DEBUG;
case GL_DEBUG_TYPE_POP_GROUP_KHR: return L_DEBUG;
default: return L_INFO;
}
}
static void gles2_log(GLenum src, GLenum type, GLuint id, GLenum severity,
GLsizei len, const GLchar *msg, const void *user) {
_wlr_log(gles2_log_importance_to_wlr(type), "[GLES2] %s", msg);
}
static GLuint compile_shader(GLuint type, const GLchar *src) {
GLES2_DEBUG_PUSH;
GLuint shader = glCreateShader(type);
glShaderSource(shader, 1, &src, NULL);
glCompileShader(shader);
GLint ok;
glGetShaderiv(shader, GL_COMPILE_STATUS, &ok);
if (ok == GL_FALSE) {
glDeleteShader(shader);
shader = 0;
}
GLES2_DEBUG_POP;
return shader;
}
static GLuint link_program(const GLchar *vert_src, const GLchar *frag_src) {
GLES2_DEBUG_PUSH;
GLuint vert = compile_shader(GL_VERTEX_SHADER, vert_src);
if (!vert) {
goto error;
}
GLuint frag = compile_shader(GL_FRAGMENT_SHADER, frag_src);
if (!frag) {
glDeleteShader(vert);
goto error;
}
GLuint prog = glCreateProgram();
glAttachShader(prog, vert);
glAttachShader(prog, frag);
glLinkProgram(prog);
glDetachShader(prog, vert);
glDetachShader(prog, frag);
glDeleteShader(vert);
glDeleteShader(frag);
GLint ok;
glGetProgramiv(prog, GL_LINK_STATUS, &ok);
if (ok == GL_FALSE) {
glDeleteProgram(prog);
goto error;
}
GLES2_DEBUG_POP;
return prog;
error:
GLES2_DEBUG_POP;
return 0;
}
extern const GLchar quad_vertex_src[];
extern const GLchar quad_fragment_src[];
extern const GLchar ellipse_fragment_src[];
extern const GLchar tex_vertex_src[];
extern const GLchar tex_fragment_src_rgba[];
extern const GLchar tex_fragment_src_rgbx[];
extern const GLchar tex_fragment_src_external[];
struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_backend *backend) {
init_globals();
struct wlr_gles2_renderer *renderer;
if (!(renderer = calloc(1, sizeof(struct wlr_gles2_renderer)))) {
struct wlr_gles2_renderer *renderer =
calloc(1, sizeof(struct wlr_gles2_renderer));
if (renderer == NULL) {
return NULL;
}
wlr_renderer_init(&renderer->wlr_renderer, &wlr_renderer_impl);
wlr_renderer_init(&renderer->wlr_renderer, &renderer_impl);
renderer->egl = wlr_backend_get_egl(backend);
wlr_egl_make_current(renderer->egl, EGL_NO_SURFACE, NULL);
if (glDebugMessageCallbackKHR && glDebugMessageControlKHR) {
glEnable(GL_DEBUG_OUTPUT_KHR);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_KHR);
glDebugMessageCallbackKHR(gles2_log, NULL);
// Silence unwanted message types
glDebugMessageControlKHR(GL_DONT_CARE, GL_DEBUG_TYPE_POP_GROUP_KHR,
GL_DONT_CARE, 0, NULL, GL_FALSE);
glDebugMessageControlKHR(GL_DONT_CARE, GL_DEBUG_TYPE_PUSH_GROUP_KHR,
GL_DONT_CARE, 0, NULL, GL_FALSE);
}
GLES2_DEBUG_PUSH;
renderer->shaders.quad = link_program(quad_vertex_src, quad_fragment_src);
if (!renderer->shaders.quad) {
goto error;
}
renderer->shaders.ellipse =
link_program(quad_vertex_src, ellipse_fragment_src);
if (!renderer->shaders.ellipse) {
goto error;
}
renderer->shaders.tex_rgba =
link_program(tex_vertex_src, tex_fragment_src_rgba);
if (!renderer->shaders.tex_rgba) {
goto error;
}
renderer->shaders.tex_rgbx =
link_program(tex_vertex_src, tex_fragment_src_rgbx);
if (!renderer->shaders.tex_rgbx) {
goto error;
}
if (glEGLImageTargetTexture2DOES) {
renderer->shaders.tex_ext =
link_program(tex_vertex_src, tex_fragment_src_external);
if (!renderer->shaders.tex_ext) {
goto error;
}
}
GLES2_DEBUG_POP;
return &renderer->wlr_renderer;
error:
glDeleteProgram(renderer->shaders.quad);
glDeleteProgram(renderer->shaders.ellipse);
glDeleteProgram(renderer->shaders.tex_rgba);
glDeleteProgram(renderer->shaders.tex_rgbx);
glDeleteProgram(renderer->shaders.tex_ext);
GLES2_DEBUG_POP;
if (glDebugMessageCallbackKHR) {
glDisable(GL_DEBUG_OUTPUT_KHR);
glDebugMessageCallbackKHR(NULL, NULL);
}
free(renderer);
return NULL;
}

148
render/gles2/shaders.c
View file

@ -3,86 +3,88 @@
// Colored quads
const GLchar quad_vertex_src[] =
"uniform mat3 proj;"
"uniform vec4 color;"
"attribute vec2 pos;"
"attribute vec2 texcoord;"
"varying vec4 v_color;"
"varying vec2 v_texcoord;"
""
"void main() {"
" gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);"
" v_color = color;"
" v_texcoord = texcoord;"
"}";
"uniform mat3 proj;\n"
"uniform vec4 color;\n"
"attribute vec2 pos;\n"
"attribute vec2 texcoord;\n"
"varying vec4 v_color;\n"
"varying vec2 v_texcoord;\n"
"\n"
"void main() {\n"
" gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);\n"
" v_color = color;\n"
" v_texcoord = texcoord;\n"
"}\n";
const GLchar quad_fragment_src[] =
"precision mediump float;"
"varying vec4 v_color;"
"varying vec2 v_texcoord;"
""
"void main() {"
" gl_FragColor = v_color;"
"}";
"precision mediump float;\n"
"varying vec4 v_color;\n"
"varying vec2 v_texcoord;\n"
"\n"
"void main() {\n"
" gl_FragColor = v_color;\n"
"}\n";
// Colored ellipses
const GLchar ellipse_fragment_src[] =
"precision mediump float;"
"varying vec4 v_color;"
"varying vec2 v_texcoord;"
""
"void main() {"
" float l = length(v_texcoord - vec2(0.5, 0.5));"
" if (l > 0.5) discard;"
" gl_FragColor = v_color;"
"}";
"precision mediump float;\n"
"varying vec4 v_color;\n"
"varying vec2 v_texcoord;\n"
"\n"
"void main() {\n"
" float l = length(v_texcoord - vec2(0.5, 0.5));\n"
" if (l > 0.5) {\n"
" discard;\n"
" }\n"
" gl_FragColor = v_color;\n"
"}\n";
// Textured quads
const GLchar vertex_src[] =
"uniform mat3 proj;"
"uniform bool invert_y;"
"attribute vec2 pos;"
"attribute vec2 texcoord;"
"varying vec2 v_texcoord;"
""
"void main() {"
" gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);"
" if (invert_y) {"
" v_texcoord = vec2(texcoord.s, 1.0 - texcoord.t);"
" } else {"
" v_texcoord = texcoord;"
" }"
"}";
const GLchar tex_vertex_src[] =
"uniform mat3 proj;\n"
"uniform bool invert_y;\n"
"attribute vec2 pos;\n"
"attribute vec2 texcoord;\n"
"varying vec2 v_texcoord;\n"
"\n"
"void main() {\n"
" gl_Position = vec4(proj * vec3(pos, 1.0), 1.0);\n"
" if (invert_y) {\n"
" v_texcoord = vec2(texcoord.s, 1.0 - texcoord.t);\n"
" } else {\n"
" v_texcoord = texcoord;\n"
" }\n"
"}\n";
const GLchar fragment_src_rgba[] =
"precision mediump float;"
"varying vec2 v_texcoord;"
"uniform sampler2D tex;"
"uniform float alpha;"
""
"void main() {"
" gl_FragColor = alpha * texture2D(tex, v_texcoord);"
"}";
const GLchar tex_fragment_src_rgba[] =
"precision mediump float;\n"
"varying vec2 v_texcoord;\n"
"uniform sampler2D tex;\n"
"uniform float alpha;\n"
"\n"
"void main() {\n"
" gl_FragColor = alpha * texture2D(tex, v_texcoord);\n"
"}\n";
const GLchar fragment_src_rgbx[] =
"precision mediump float;"
"varying vec2 v_texcoord;"
"uniform sampler2D tex;"
"uniform float alpha;"
""
"void main() {"
" gl_FragColor.rgb = alpha * texture2D(tex, v_texcoord).rgb;"
" gl_FragColor.a = alpha;"
"}";
const GLchar tex_fragment_src_rgbx[] =
"precision mediump float;\n"
"varying vec2 v_texcoord;\n"
"uniform sampler2D tex;\n"
"uniform float alpha;\n"
"\n"
"void main() {\n"
" gl_FragColor.rgb = alpha * texture2D(tex, v_texcoord).rgb;\n"
" gl_FragColor.a = alpha;\n"
"}\n";
const GLchar fragment_src_external[] =
"#extension GL_OES_EGL_image_external : require\n"
"precision mediump float;"
"varying vec2 v_texcoord;"
"uniform samplerExternalOES texture0;"
"uniform float alpha;"
""
"void main() {"
" vec4 col = texture2D(texture0, v_texcoord);"
" gl_FragColor = vec4(col.rgb, col.a * alpha);"
"}";
const GLchar tex_fragment_src_external[] =
"#extension GL_OES_EGL_image_external : require\n\n"
"precision mediump float;\n"
"varying vec2 v_texcoord;\n"
"uniform samplerExternalOES texture0;\n"
"uniform float alpha;\n"
"\n"
"void main() {\n"
" vec4 col = texture2D(texture0, v_texcoord);\n"
" gl_FragColor = vec4(col.rgb, col.a * alpha);\n"
"}\n";

220
render/gles2/texture.c
View file

@ -13,33 +13,39 @@
#include "render/gles2.h"
#include "util/signal.h"
static struct pixel_format external_pixel_format = {
static struct gles2_pixel_format external_pixel_format = {
.wl_format = 0,
.depth = 0,
.bpp = 0,
.gl_format = 0,
.gl_type = 0,
.shader = &shaders.external
};
static void gles2_texture_ensure_texture(struct wlr_gles2_texture *texture,
static void gles2_texture_ensure(struct wlr_gles2_texture *texture,
GLenum target) {
if (texture->tex_id) {
return;
}
texture->target = target;
GL_CALL(glGenTextures(1, &texture->tex_id));
GL_CALL(glBindTexture(target, texture->tex_id));
GL_CALL(glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
GL_CALL(glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
glGenTextures(1, &texture->tex_id);
glBindTexture(target, texture->tex_id);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
static bool gles2_texture_upload_pixels(struct wlr_texture *_texture,
static const struct wlr_texture_impl texture_impl;
struct wlr_gles2_texture *gles2_get_texture(struct wlr_texture *wlr_texture) {
assert(wlr_texture->impl == &texture_impl);
return (struct wlr_gles2_texture *)wlr_texture;
}
static bool gles2_texture_upload_pixels(struct wlr_texture *wlr_texture,
enum wl_shm_format format, int stride, int width, int height,
const unsigned char *pixels) {
struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture;
assert(texture);
const struct pixel_format *fmt = gl_format_for_wl_format(format);
struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
const struct gles2_pixel_format *fmt = gles2_format_from_wl(format);
if (!fmt || !fmt->gl_format) {
wlr_log(L_ERROR, "No supported pixel format for this texture");
return false;
@ -49,44 +55,50 @@ static bool gles2_texture_upload_pixels(struct wlr_texture *_texture,
texture->wlr_texture.format = format;
texture->pixel_format = fmt;
gles2_texture_ensure_texture(texture, GL_TEXTURE_2D);
GL_CALL(glBindTexture(GL_TEXTURE_2D, texture->tex_id));
GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride));
GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0,
fmt->gl_format, fmt->gl_type, pixels));
GLES2_DEBUG_PUSH;
gles2_texture_ensure(texture, GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, texture->tex_id);
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride);
glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0,
fmt->gl_format, fmt->gl_type, pixels);
GLES2_DEBUG_POP;
texture->wlr_texture.valid = true;
return true;
}
static bool gles2_texture_update_pixels(struct wlr_texture *_texture,
static bool gles2_texture_update_pixels(struct wlr_texture *wlr_texture,
enum wl_shm_format format, int stride, int x, int y,
int width, int height, const unsigned char *pixels) {
struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture;
assert(texture);
struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
// TODO: Test if the unpack subimage extension is supported and adjust the
// upload strategy if not
if (!texture->wlr_texture.valid
|| texture->wlr_texture.format != format
/* || unpack not supported */) {
return gles2_texture_upload_pixels(&texture->wlr_texture,
format, stride, width, height, pixels);
return gles2_texture_upload_pixels(&texture->wlr_texture, format,
stride, width, height, pixels);
}
const struct pixel_format *fmt = texture->pixel_format;
GL_CALL(glBindTexture(GL_TEXTURE_2D, texture->tex_id));
GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, x));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, y));
GL_CALL(glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height,
fmt->gl_format, fmt->gl_type, pixels));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0));
const struct gles2_pixel_format *fmt = texture->pixel_format;
GLES2_DEBUG_PUSH;
glBindTexture(GL_TEXTURE_2D, texture->tex_id);
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride);
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, x);
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, y);
glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height, fmt->gl_format,
fmt->gl_type, pixels);
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0);
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0);
GLES2_DEBUG_POP;
return true;
}
static bool gles2_texture_upload_shm(struct wlr_texture *_texture,
static bool gles2_texture_upload_shm(struct wlr_texture *wlr_texture,
uint32_t format, struct wl_shm_buffer *buffer) {
struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture;
const struct pixel_format *fmt = gl_format_for_wl_format(format);
struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
const struct gles2_pixel_format *fmt = gles2_format_from_wl(format);
if (!fmt || !fmt->gl_format) {
wlr_log(L_ERROR, "Unsupported pixel format %"PRIu32" for this texture",
format);
@ -102,23 +114,26 @@ static bool gles2_texture_upload_shm(struct wlr_texture *_texture,
texture->wlr_texture.format = format;
texture->pixel_format = fmt;
gles2_texture_ensure_texture(texture, GL_TEXTURE_2D);
GL_CALL(glBindTexture(GL_TEXTURE_2D, texture->tex_id));
GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, pitch));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0));
GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0,
fmt->gl_format, fmt->gl_type, pixels));
GLES2_DEBUG_PUSH;
gles2_texture_ensure(texture, GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, texture->tex_id);
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, pitch);
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0);
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0);
glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0,
fmt->gl_format, fmt->gl_type, pixels);
GLES2_DEBUG_POP;
texture->wlr_texture.valid = true;
wl_shm_buffer_end_access(buffer);
return true;
}
static bool gles2_texture_update_shm(struct wlr_texture *_texture,
static bool gles2_texture_update_shm(struct wlr_texture *wlr_texture,
uint32_t format, int x, int y, int width, int height,
struct wl_shm_buffer *buffer) {
struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture;
struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
// TODO: Test if the unpack subimage extension is supported and adjust the
// upload strategy if not
assert(texture);
@ -127,28 +142,30 @@ static bool gles2_texture_update_shm(struct wlr_texture *_texture,
/* || unpack not supported */) {
return gles2_texture_upload_shm(&texture->wlr_texture, format, buffer);
}
const struct pixel_format *fmt = texture->pixel_format;
const struct gles2_pixel_format *fmt = texture->pixel_format;
wl_shm_buffer_begin_access(buffer);
uint8_t *pixels = wl_shm_buffer_get_data(buffer);
int pitch = wl_shm_buffer_get_stride(buffer) / (fmt->bpp / 8);
GL_CALL(glBindTexture(GL_TEXTURE_2D, texture->tex_id));
GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, pitch));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, x));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, y));
GL_CALL(glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height,
fmt->gl_format, fmt->gl_type, pixels));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0));
GLES2_DEBUG_PUSH;
glBindTexture(GL_TEXTURE_2D, texture->tex_id);
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, pitch);
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, x);
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, y);
glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height,
fmt->gl_format, fmt->gl_type, pixels);
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0);
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0);
GLES2_DEBUG_POP;
wl_shm_buffer_end_access(buffer);
return true;
}
static bool gles2_texture_upload_drm(struct wlr_texture *_tex,
static bool gles2_texture_upload_drm(struct wlr_texture *wlr_texture,
struct wl_resource *buf) {
struct wlr_gles2_texture *tex = (struct wlr_gles2_texture *)_tex;
struct wlr_gles2_texture *tex = gles2_get_texture(wlr_texture);
if (!glEGLImageTargetTexture2DOES) {
return false;
}
@ -171,12 +188,12 @@ static bool gles2_texture_upload_drm(struct wlr_texture *_tex,
}
GLenum target;
const struct pixel_format *pf;
const struct gles2_pixel_format *pf;
switch (format) {
case EGL_TEXTURE_RGB:
case EGL_TEXTURE_RGBA:
target = GL_TEXTURE_2D;
pf = gl_format_for_wl_format(WL_SHM_FORMAT_ARGB8888);
pf = gles2_format_from_wl(WL_SHM_FORMAT_ARGB8888);
break;
case EGL_TEXTURE_EXTERNAL_WL:
target = GL_TEXTURE_EXTERNAL_OES;
@ -187,8 +204,11 @@ static bool gles2_texture_upload_drm(struct wlr_texture *_tex,
return false;
}
gles2_texture_ensure_texture(tex, target);
GL_CALL(glBindTexture(GL_TEXTURE_2D, tex->tex_id));
GLES2_DEBUG_PUSH;
gles2_texture_ensure(tex, target);
glBindTexture(GL_TEXTURE_2D, tex->tex_id);
GLES2_DEBUG_POP;
EGLint attribs[] = { EGL_WAYLAND_PLANE_WL, 0, EGL_NONE };
if (tex->image) {
@ -202,18 +222,20 @@ static bool gles2_texture_upload_drm(struct wlr_texture *_tex,
return false;
}
GL_CALL(glActiveTexture(GL_TEXTURE0));
GL_CALL(glBindTexture(target, tex->tex_id));
GL_CALL(glEGLImageTargetTexture2DOES(target, tex->image));
GLES2_DEBUG_PUSH;
glActiveTexture(GL_TEXTURE0);
glBindTexture(target, tex->tex_id);
glEGLImageTargetTexture2DOES(target, tex->image);
GLES2_DEBUG_POP;
tex->wlr_texture.valid = true;
tex->pixel_format = pf;
return true;
}
static bool gles2_texture_upload_eglimage(struct wlr_texture *wlr_tex,
static bool gles2_texture_upload_eglimage(struct wlr_texture *wlr_texture,
EGLImageKHR image, uint32_t width, uint32_t height) {
struct wlr_gles2_texture *tex = (struct wlr_gles2_texture *)wlr_tex;
struct wlr_gles2_texture *tex = gles2_get_texture(wlr_texture);
tex->image = image;
tex->pixel_format = &external_pixel_format;
@ -221,20 +243,21 @@ static bool gles2_texture_upload_eglimage(struct wlr_texture *wlr_tex,
tex->wlr_texture.width = width;
tex->wlr_texture.height = height;
gles2_texture_ensure_texture(tex, GL_TEXTURE_2D);
GL_CALL(glActiveTexture(GL_TEXTURE0));
GL_CALL(glBindTexture(GL_TEXTURE_EXTERNAL_OES, tex->tex_id));
GL_CALL(glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, tex->image));
GLES2_DEBUG_PUSH;
gles2_texture_ensure(tex, GL_TEXTURE_2D);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_EXTERNAL_OES, tex->tex_id);
glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, tex->image);
GLES2_DEBUG_POP;
return true;
}
static bool gles2_texture_upload_dmabuf(struct wlr_texture *_tex,
static bool gles2_texture_upload_dmabuf(struct wlr_texture *wlr_texture,
struct wl_resource *dmabuf_resource) {
struct wlr_gles2_texture *tex = (struct wlr_gles2_texture *)_tex;
struct wlr_dmabuf_buffer *dmabuf = wlr_dmabuf_buffer_from_buffer_resource(
dmabuf_resource);
struct wlr_gles2_texture *tex = gles2_get_texture(wlr_texture);
struct wlr_dmabuf_buffer *dmabuf =
wlr_dmabuf_buffer_from_buffer_resource(dmabuf_resource);
if (!tex->egl->egl_exts.dmabuf_import) {
wlr_log(L_ERROR, "Want dmabuf but extension not present");
@ -249,17 +272,19 @@ static bool gles2_texture_upload_dmabuf(struct wlr_texture *_tex,
}
if (wlr_dmabuf_buffer_has_inverted_y(dmabuf)) {
_tex->inverted_y = true;
wlr_texture->inverted_y = true;
}
GLenum target = GL_TEXTURE_2D;
const struct pixel_format *pf =
gl_format_for_wl_format(WL_SHM_FORMAT_ARGB8888);
gles2_texture_ensure_texture(tex, target);
GL_CALL(glBindTexture(target, tex->tex_id));
const struct gles2_pixel_format *pf =
gles2_format_from_wl(WL_SHM_FORMAT_ARGB8888);
GLES2_DEBUG_PUSH;
gles2_texture_ensure(tex, target);
glBindTexture(target, tex->tex_id);
tex->image = wlr_egl_create_image_from_dmabuf(tex->egl, &dmabuf->attributes);
GL_CALL(glActiveTexture(GL_TEXTURE0));
GL_CALL(glEGLImageTargetTexture2DOES(target, tex->image));
glActiveTexture(GL_TEXTURE0);
glEGLImageTargetTexture2DOES(target, tex->image);
GLES2_DEBUG_POP;
tex->pixel_format = pf;
tex->wlr_texture.valid = true;
return true;
@ -271,15 +296,15 @@ static bool gles2_texture_get_dmabuf_size(struct wlr_texture *texture, struct
return false;
}
struct wlr_dmabuf_buffer *dmabuf = wlr_dmabuf_buffer_from_buffer_resource(
resource);
struct wlr_dmabuf_buffer *dmabuf =
wlr_dmabuf_buffer_from_buffer_resource(resource);
*width = dmabuf->attributes.width;
*height = dmabuf->attributes.height;
return true;
}
static void gles2_texture_get_buffer_size(struct wlr_texture *texture, struct
wl_resource *resource, int *width, int *height) {
static void gles2_texture_get_buffer_size(struct wlr_texture *texture,
struct wl_resource *resource, int *width, int *height) {
struct wl_shm_buffer *buffer = wl_shm_buffer_get(resource);
if (!buffer) {
struct wlr_gles2_texture *tex = (struct wlr_gles2_texture *)texture;
@ -288,14 +313,13 @@ static void gles2_texture_get_buffer_size(struct wlr_texture *texture, struct
}
if (!wlr_egl_query_buffer(tex->egl, resource, EGL_WIDTH,
(EGLint*)width)) {
if (!gles2_texture_get_dmabuf_size(texture, resource,
width, height)) {
if (!gles2_texture_get_dmabuf_size(texture, resource, width,
height)) {
wlr_log(L_ERROR, "could not get size of the buffer");
return;
}
}
wlr_egl_query_buffer(tex->egl, resource, EGL_HEIGHT,
(EGLint*)height);
wlr_egl_query_buffer(tex->egl, resource, EGL_HEIGHT, (EGLint*)height);
return;
}
@ -304,20 +328,15 @@ static void gles2_texture_get_buffer_size(struct wlr_texture *texture, struct
*height = wl_shm_buffer_get_height(buffer);
}
static void gles2_texture_bind(struct wlr_texture *_texture) {
struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture;
static void gles2_texture_destroy(struct wlr_texture *wlr_texture) {
struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
GL_CALL(glBindTexture(texture->target, texture->tex_id));
GL_CALL(glTexParameteri(texture->target, GL_TEXTURE_MIN_FILTER, GL_LINEAR));
GL_CALL(glTexParameteri(texture->target, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
GL_CALL(glUseProgram(*texture->pixel_format->shader));
}
static void gles2_texture_destroy(struct wlr_texture *_texture) {
struct wlr_gles2_texture *texture = (struct wlr_gles2_texture *)_texture;
wlr_signal_emit_safe(&texture->wlr_texture.destroy_signal, &texture->wlr_texture);
wlr_signal_emit_safe(&texture->wlr_texture.destroy_signal,
&texture->wlr_texture);
if (texture->tex_id) {
GL_CALL(glDeleteTextures(1, &texture->tex_id));
GLES2_DEBUG_PUSH;
glDeleteTextures(1, &texture->tex_id);
GLES2_DEBUG_POP;
}
if (texture->image) {
@ -327,7 +346,7 @@ static void gles2_texture_destroy(struct wlr_texture *_texture) {
free(texture);
}
static struct wlr_texture_impl wlr_texture_impl = {
static const struct wlr_texture_impl texture_impl = {
.upload_pixels = gles2_texture_upload_pixels,
.update_pixels = gles2_texture_update_pixels,
.upload_shm = gles2_texture_upload_shm,
@ -336,7 +355,6 @@ static struct wlr_texture_impl wlr_texture_impl = {
.upload_dmabuf = gles2_texture_upload_dmabuf,
.upload_eglimage = gles2_texture_upload_eglimage,
.get_buffer_size = gles2_texture_get_buffer_size,
.bind = gles2_texture_bind,
.destroy = gles2_texture_destroy,
};
@ -345,7 +363,7 @@ struct wlr_texture *gles2_texture_create(struct wlr_egl *egl) {
if (!(texture = calloc(1, sizeof(struct wlr_gles2_texture)))) {
return NULL;
}
wlr_texture_init(&texture->wlr_texture, &wlr_texture_impl);
wlr_texture_init(&texture->wlr_texture, &texture_impl);
texture->egl = egl;
return &texture->wlr_texture;
}

6
render/wlr_renderer.c
View file

@ -5,7 +5,7 @@
#include <wlr/types/wlr_matrix.h>
void wlr_renderer_init(struct wlr_renderer *renderer,
struct wlr_renderer_impl *impl) {
const struct wlr_renderer_impl *impl) {
renderer->impl = impl;
}
@ -17,8 +17,8 @@ void wlr_renderer_destroy(struct wlr_renderer *r) {
}
}
void wlr_renderer_begin(struct wlr_renderer *r, struct wlr_output *o) {
r->impl->begin(r, o);
void wlr_renderer_begin(struct wlr_renderer *r, int width, int height) {
r->impl->begin(r, width, height);
}
void wlr_renderer_end(struct wlr_renderer *r) {

6
render/wlr_texture.c
View file

@ -4,7 +4,7 @@
#include <wlr/render/wlr_texture.h>
void wlr_texture_init(struct wlr_texture *texture,
struct wlr_texture_impl *impl) {
const struct wlr_texture_impl *impl) {
texture->impl = impl;
wl_signal_init(&texture->destroy_signal);
}
@ -17,10 +17,6 @@ void wlr_texture_destroy(struct wlr_texture *texture) {
}
}
void wlr_texture_bind(struct wlr_texture *texture) {
texture->impl->bind(texture);
}
bool wlr_texture_upload_pixels(struct wlr_texture *texture, uint32_t format,
int stride, int width, int height, const unsigned char *pixels) {
return texture->impl->upload_pixels(texture, format, stride,

2
rootston/output.c
View file

@ -479,7 +479,7 @@ static void render_output(struct roots_output *output) {
goto damage_finish;
}
wlr_renderer_begin(renderer, wlr_output);
wlr_renderer_begin(renderer, wlr_output->width, wlr_output->height);
if (!pixman_region32_not_empty(&damage)) {
// Output isn't damaged but needs buffer swap

2
wlroots.syms
View file

@ -15,8 +15,8 @@ WLROOTS_0_0_0 {
wlr_drm_get_connector_props;
wlr_drm_get_crtc_props;
wlr_drm_get_plane_props;
wlr_drm_get_prop;
wlr_drm_get_prop_blob;
wlr_drm_get_prop;
wlr_drm_plane_surfaces_init;
wlr_drm_renderer_finish;
wlr_drm_renderer_init;