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render: Set glViewport based on output transform

pull/20/head
Andri Yngvason 2020-03-05 20:49:22 +00:00
parent e01f75bfbd
commit 9642e086d8
3 changed files with 17 additions and 20 deletions
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8
include/render.h
View File

@ -22,6 +22,7 @@
#include <wayland-client.h>
struct dmabuf_frame;
struct output;
enum renderer_input_type {
RENDERER_INPUT_FB,
@ -33,9 +34,7 @@ struct renderer {
EGLSurface surface;
EGLContext context;
uint32_t width;
uint32_t height;
enum wl_output_transform transform;
const struct output* output;
GLint read_format;
GLint read_type;
@ -47,8 +46,7 @@ struct renderer {
} shader;
};
int renderer_init(struct renderer* self, uint32_t width, uint32_t height,
enum wl_output_transform transform,
int renderer_init(struct renderer* self, const struct output* output,
enum renderer_input_type input_type);
void renderer_destroy(struct renderer* self);

5
src/main.c
View File

@ -781,9 +781,8 @@ int main(int argc, char* argv[])
enum renderer_input_type renderer_input_type =
fcbackend == FRAME_CAPTURE_BACKEND_DMABUF ?
RENDERER_INPUT_DMABUF : RENDERER_INPUT_FB;
if (renderer_init(&self.renderer, self.selected_output->width,
self.selected_output->height,
WL_OUTPUT_TRANSFORM_NORMAL, renderer_input_type) < 0) {
if (renderer_init(&self.renderer, self.selected_output,
renderer_input_type) < 0) {
log_error("Failed to initialise renderer\n");
goto failure;
}

24
src/render.c
View File

@ -31,6 +31,7 @@
#include "logging.h"
#include "render.h"
#include "dmabuf.h"
#include "output.h"
#include "config.h"
#define MAYBE_UNUSED __attribute__((unused))
@ -367,8 +368,7 @@ void renderer_destroy(struct renderer* self)
eglTerminate(self->display);
}
int renderer_init(struct renderer* self, uint32_t width, uint32_t height,
enum wl_output_transform transform,
int renderer_init(struct renderer* self, const struct output* output,
enum renderer_input_type input_type)
{
if (!eglBindAPI(EGL_OPENGL_ES_API))
@ -414,8 +414,8 @@ int renderer_init(struct renderer* self, uint32_t width, uint32_t height,
return -1;
EGLint surf_attr[] = {
EGL_WIDTH, width,
EGL_HEIGHT, height,
EGL_WIDTH, output->width,
EGL_HEIGHT, output->width,
EGL_NONE
};
@ -450,13 +450,13 @@ int renderer_init(struct renderer* self, uint32_t width, uint32_t height,
self->shader.u_tex = glGetUniformLocation(self->shader.program, "u_tex");
self->shader.u_proj = glGetUniformLocation(self->shader.program, "u_proj");
self->width = width;
self->height = height;
self->transform = transform;
self->output = output;
glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT, &self->read_format);
glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE, &self->read_type);
glViewport(0, 0, width, height);
glViewport(0, 0,
output_get_transformed_width(output),
output_get_transformed_height(output));
gl_clear();
return 0;
@ -528,7 +528,7 @@ int render_dmabuf_frame(struct renderer* self, struct dmabuf_frame* frame)
glUniform1i(self->shader.u_tex, 0);
const float* proj = transforms[self->transform];
const float* proj = transforms[self->output->transform];
glUniformMatrix2fv(self->shader.u_proj, 1, GL_FALSE, proj);
gl_render();
@ -562,7 +562,7 @@ int render_framebuffer(struct renderer* self, const void* addr, uint32_t format,
glUniform1i(self->shader.u_tex, 0);
const float* proj = transforms[self->transform];
const float* proj = transforms[self->output->transform];
glUniformMatrix2fv(self->shader.u_proj, 1, GL_FALSE, proj);
gl_render();
@ -576,8 +576,8 @@ int render_framebuffer(struct renderer* self, const void* addr, uint32_t format,
void render_copy_pixels(struct renderer* self, void* dst, uint32_t y,
uint32_t height)
{
assert(y + height <= self->height);
assert(y + height <= self->output->height);
glReadPixels(0, y, self->width, height, self->read_format,
glReadPixels(0, y, self->output->width, height, self->read_format,
self->read_type, dst);
}