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render: rename shader_program -> dmabuf_shader_program

shader-damage
Andri Yngvason 2019-10-09 22:00:01 +00:00
parent 36e7bde860
commit 8cc00dd5eb
2 changed files with 26 additions and 22 deletions
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2
include/render.h
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@ -25,7 +25,7 @@ struct renderer {
EGLDisplay display; EGLDisplay display;
EGLSurface surface; EGLSurface surface;
EGLContext context; EGLContext context;
GLuint shader_program; GLuint dmabuf_shader_program;
uint32_t width; uint32_t width;
uint32_t height; uint32_t height;
GLint read_format; GLint read_format;

46
src/render.c
View File

@ -148,25 +148,27 @@ static int gl_load_shader(GLuint* dst, const char* source, GLenum type)
return 0; return 0;
} }
static int gl_compile_shader_program(GLuint* dst) static const char dmabuf_vertex_src[] =
{ "attribute vec2 pos;\n"
static const char vertex_src[] = "attribute vec2 texture;\n"
"attribute vec2 pos;\n" "varying vec2 v_texture;\n"
"attribute vec2 texture;\n" "void main() {\n"
"varying vec2 v_texture;\n" " v_texture = vec2(texture.s, 1.0 - texture.t);\n"
"void main() {\n" " gl_Position = vec4(pos, 0, 1);\n"
" v_texture = vec2(texture.s, 1.0 - texture.t);\n" "}\n";
" gl_Position = vec4(pos, 0, 1);\n"
"}\n";
static const char fragment_src[] = static const char dmabuf_fragment_src[] =
"#extension GL_OES_EGL_image_external: require\n\n" "#extension GL_OES_EGL_image_external: require\n\n"
"precision mediump float;\n" "precision mediump float;\n"
"uniform samplerExternalOES u_tex;\n" "uniform samplerExternalOES u_tex;\n"
"varying vec2 v_texture;\n" "varying vec2 v_texture;\n"
"void main() {\n" "void main() {\n"
" gl_FragColor = texture2D(u_tex, v_texture);\n" " gl_FragColor = texture2D(u_tex, v_texture);\n"
"}\n"; "}\n";
static int gl_compile_shader_program(GLuint* dst, const char* vertex_src,
const char* fragment_src)
{
int rc = -1; int rc = -1;
GLuint vertex, fragment; GLuint vertex, fragment;
@ -244,7 +246,7 @@ void renderer_destroy(struct renderer* self)
{ {
eglDestroySurface(self->display, self->surface); eglDestroySurface(self->display, self->surface);
eglDestroyContext(self->display, self->context); eglDestroyContext(self->display, self->context);
glDeleteProgram(self->shader_program); glDeleteProgram(self->dmabuf_shader_program);
} }
int renderer_init(struct renderer* self, uint32_t width, uint32_t height) int renderer_init(struct renderer* self, uint32_t width, uint32_t height)
@ -310,10 +312,12 @@ int renderer_init(struct renderer* self, uint32_t width, uint32_t height)
if (gl_load_late_extensions() < 0) if (gl_load_late_extensions() < 0)
goto late_extension_failure; goto late_extension_failure;
if (gl_compile_shader_program(&self->shader_program) < 0) if (gl_compile_shader_program(&self->dmabuf_shader_program,
dmabuf_vertex_src,
dmabuf_fragment_src) < 0)
goto shader_failure; goto shader_failure;
glUseProgram(self->shader_program); glUseProgram(self->dmabuf_shader_program);
self->width = width; self->width = width;
self->height = height; self->height = height;