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render: drop support for ellipses

Browse source 
For anything more complicated than quads, compositors can easily
ship their own shaders.

Closes: https://github.com/swaywm/wlroots/issues/2759
This commit is contained in:
Simon Ser 2021-03-26 12:21:23 +01:00
parent 9ecfa4343a
commit a109a80dca
6 changed files with 0 additions and 108 deletions
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7
include/render/gles2.h
View file

@ -61,13 +61,6 @@ struct wlr_gles2_renderer {
GLint color;
GLint pos_attrib;
} quad;
struct {
GLuint program;
GLint proj;
GLint color;
GLint pos_attrib;
GLint tex_attrib;
} ellipse;
struct wlr_gles2_tex_shader tex_rgba;
struct wlr_gles2_tex_shader tex_rgbx;
struct wlr_gles2_tex_shader tex_ext;

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

@ -30,8 +30,6 @@ struct wlr_renderer_impl {
const float matrix[static 9], float alpha);
void (*render_quad_with_matrix)(struct wlr_renderer *renderer,
const float color[static 4], const float matrix[static 9]);
void (*render_ellipse_with_matrix)(struct wlr_renderer *renderer,
const float color[static 4], const float matrix[static 9]);
const uint32_t *(*get_shm_texture_formats)(struct wlr_renderer *renderer,
size_t *len);
bool (*resource_is_wl_drm_buffer)(struct wlr_renderer *renderer,

10
include/wlr/render/wlr_renderer.h
View file

@ -71,16 +71,6 @@ void wlr_render_rect(struct wlr_renderer *r, const struct wlr_box *box,
*/
void wlr_render_quad_with_matrix(struct wlr_renderer *r,
const float color[static 4], const float matrix[static 9]);
/**
* Renders a solid ellipse in the specified color.
*/
void wlr_render_ellipse(struct wlr_renderer *r, const struct wlr_box *box,
const float color[static 4], const float projection[static 9]);
/**
* Renders a solid ellipse in the specified color with the specified matrix.
*/
void wlr_render_ellipse_with_matrix(struct wlr_renderer *r,
const float color[static 4], const float matrix[static 9]);
/**
* Get the shared-memory formats supporting import usage. Buffers allocated
* with a format from this list may be imported via wlr_texture_from_pixels.

55
render/gles2/renderer.c
View file

@ -356,47 +356,6 @@ static void gles2_render_quad_with_matrix(struct wlr_renderer *wlr_renderer,
pop_gles2_debug(renderer);
}
static void gles2_render_ellipse_with_matrix(struct wlr_renderer *wlr_renderer,
const float color[static 4], const float matrix[static 9]) {
struct wlr_gles2_renderer *renderer =
gles2_get_renderer_in_context(wlr_renderer);
float gl_matrix[9];
wlr_matrix_multiply(gl_matrix, renderer->projection, matrix);
wlr_matrix_multiply(gl_matrix, flip_180, gl_matrix);
// OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set
// to GL_FALSE
wlr_matrix_transpose(gl_matrix, gl_matrix);
static const GLfloat texcoord[] = {
1, 0, // top right
0, 0, // top left
1, 1, // bottom right
0, 1, // bottom left
};
push_gles2_debug(renderer);
glUseProgram(renderer->shaders.ellipse.program);
glUniformMatrix3fv(renderer->shaders.ellipse.proj, 1, GL_FALSE, gl_matrix);
glUniform4f(renderer->shaders.ellipse.color, color[0], color[1], color[2], color[3]);
glVertexAttribPointer(renderer->shaders.ellipse.pos_attrib, 2, GL_FLOAT,
GL_FALSE, 0, verts);
glVertexAttribPointer(renderer->shaders.ellipse.tex_attrib, 2, GL_FLOAT,
GL_FALSE, 0, texcoord);
glEnableVertexAttribArray(renderer->shaders.ellipse.pos_attrib);
glEnableVertexAttribArray(renderer->shaders.ellipse.tex_attrib);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glDisableVertexAttribArray(renderer->shaders.ellipse.pos_attrib);
glDisableVertexAttribArray(renderer->shaders.ellipse.tex_attrib);
pop_gles2_debug(renderer);
}
static const uint32_t *gles2_get_shm_texture_formats(
struct wlr_renderer *wlr_renderer, size_t *len) {
return get_gles2_shm_formats(len);
@ -584,7 +543,6 @@ static void gles2_destroy(struct wlr_renderer *wlr_renderer) {
push_gles2_debug(renderer);
glDeleteProgram(renderer->shaders.quad.program);
glDeleteProgram(renderer->shaders.ellipse.program);
glDeleteProgram(renderer->shaders.tex_rgba.program);
glDeleteProgram(renderer->shaders.tex_rgbx.program);
glDeleteProgram(renderer->shaders.tex_ext.program);
@ -614,7 +572,6 @@ static const struct wlr_renderer_impl renderer_impl = {
.scissor = gles2_scissor,
.render_subtexture_with_matrix = gles2_render_subtexture_with_matrix,
.render_quad_with_matrix = gles2_render_quad_with_matrix,
.render_ellipse_with_matrix = gles2_render_ellipse_with_matrix,
.get_shm_texture_formats = gles2_get_shm_texture_formats,
.resource_is_wl_drm_buffer = gles2_resource_is_wl_drm_buffer,
.wl_drm_buffer_get_size = gles2_wl_drm_buffer_get_size,
@ -755,7 +712,6 @@ static void load_gl_proc(void *proc_ptr, const char *name) {
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[];
@ -848,16 +804,6 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) {
renderer->shaders.quad.color = glGetUniformLocation(prog, "color");
renderer->shaders.quad.pos_attrib = glGetAttribLocation(prog, "pos");
renderer->shaders.ellipse.program = prog =
link_program(renderer, quad_vertex_src, ellipse_fragment_src);
if (!renderer->shaders.ellipse.program) {
goto error;
}
renderer->shaders.ellipse.proj = glGetUniformLocation(prog, "proj");
renderer->shaders.ellipse.color = glGetUniformLocation(prog, "color");
renderer->shaders.ellipse.pos_attrib = glGetAttribLocation(prog, "pos");
renderer->shaders.ellipse.tex_attrib = glGetAttribLocation(prog, "texcoord");
renderer->shaders.tex_rgba.program = prog =
link_program(renderer, tex_vertex_src, tex_fragment_src_rgba);
if (!renderer->shaders.tex_rgba.program) {
@ -904,7 +850,6 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) {
error:
glDeleteProgram(renderer->shaders.quad.program);
glDeleteProgram(renderer->shaders.ellipse.program);
glDeleteProgram(renderer->shaders.tex_rgba.program);
glDeleteProgram(renderer->shaders.tex_rgbx.program);
glDeleteProgram(renderer->shaders.tex_ext.program);

14
render/gles2/shaders.c
View file

@ -25,20 +25,6 @@ const GLchar quad_fragment_src[] =
" gl_FragColor = v_color;\n"
"}\n";
// Colored ellipses
const GLchar ellipse_fragment_src[] =
"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 tex_vertex_src[] =
"uniform mat3 proj;\n"

20
render/wlr_renderer.c
View file

@ -20,7 +20,6 @@ void wlr_renderer_init(struct wlr_renderer *renderer,
assert(impl->scissor);
assert(impl->render_subtexture_with_matrix);
assert(impl->render_quad_with_matrix);
assert(impl->render_ellipse_with_matrix);
assert(impl->get_shm_texture_formats);
assert(impl->texture_from_pixels);
renderer->impl = impl;
@ -133,25 +132,6 @@ void wlr_render_quad_with_matrix(struct wlr_renderer *r,
r->impl->render_quad_with_matrix(r, color, matrix);
}
void wlr_render_ellipse(struct wlr_renderer *r, const struct wlr_box *box,
const float color[static 4], const float projection[static 9]) {
if (box->width == 0 || box->height == 0) {
return;
}
assert(box->width > 0 && box->height > 0);
float matrix[9];
wlr_matrix_project_box(matrix, box, WL_OUTPUT_TRANSFORM_NORMAL, 0,
projection);
wlr_render_ellipse_with_matrix(r, color, matrix);
}
void wlr_render_ellipse_with_matrix(struct wlr_renderer *r,
const float color[static 4], const float matrix[static 9]) {
assert(r->rendering);
r->impl->render_ellipse_with_matrix(r, color, matrix);
}
const uint32_t *wlr_renderer_get_shm_texture_formats(struct wlr_renderer *r,
size_t *len) {
return r->impl->get_shm_texture_formats(r, len);