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render: Pass width and height as attributes

shader-damage
Andri Yngvason 2019-10-28 18:56:51 +00:00
parent f6314ba4d6
commit a62a9c43fc
1 changed files with 11 additions and 6 deletions
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17
src/render.c
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@ -270,7 +270,7 @@ void gl_clear(void)
glClear(GL_COLOR_BUFFER_BIT);
}
void gl_render(void)
void gl_render(struct renderer* self)
{
static const GLfloat s_vertices[4][2] = {
{ -1.0, 1.0 },
@ -288,8 +288,13 @@ void gl_render(void)
gl_clear();
glVertexAttribPointer (0, 2, GL_FLOAT, GL_FALSE, 0, s_vertices);
glVertexAttribPointer (1, 2, GL_FLOAT, GL_FALSE, 0, s_positions);
glVertexAttribPointer(ATTR_INDEX_POS, 2, GL_FLOAT, GL_FALSE, 0,
s_vertices);
glVertexAttribPointer(ATTR_INDEX_TEXTURE, 2, GL_FLOAT, GL_FALSE, 0,
s_positions);
glVertexAttrib1f(ATTR_INDEX_WIDTH, self->width);
glVertexAttrib1f(ATTR_INDEX_HEIGHT, self->height);
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
@ -466,7 +471,7 @@ int render_dmabuf_frame(struct renderer* self, struct dmabuf_frame* frame)
glUseProgram(self->dmabuf_shader_program);
glViewport(0, 0, self->width, self->height);
gl_render();
gl_render(self);
if (self->last_texture)
glDeleteTextures(1, &self->last_texture);
@ -500,7 +505,7 @@ int render_framebuffer(struct renderer* self, const void* addr, uint32_t format,
glUseProgram(self->texture_shader_program);
glViewport(0, 0, self->width, self->height);
gl_render();
gl_render(self);
if (self->last_texture)
glDeleteTextures(1, &self->last_texture);
@ -539,7 +544,7 @@ void render_check_damage(struct renderer* self, GLenum target, GLuint tex)
return;
glViewport(0, 0, width, height);
gl_render();
gl_render(self);
glReadPixels(0, 0, width, height, self->read_format, self->read_type,
buffer);