summaryrefslogtreecommitdiff
path: root/sway/desktop/fx_renderer/fx_framebuffer.c
diff options
context:
space:
mode:
Diffstat (limited to 'sway/desktop/fx_renderer/fx_framebuffer.c')
-rw-r--r--sway/desktop/fx_renderer/fx_framebuffer.c89
1 files changed, 0 insertions, 89 deletions
diff --git a/sway/desktop/fx_renderer/fx_framebuffer.c b/sway/desktop/fx_renderer/fx_framebuffer.c
deleted file mode 100644
index dd8c27b1..00000000
--- a/sway/desktop/fx_renderer/fx_framebuffer.c
+++ /dev/null
@@ -1,89 +0,0 @@
-#include "log.h"
-#include "sway/desktop/fx_renderer/fx_framebuffer.h"
-#include "sway/desktop/fx_renderer/fx_stencilbuffer.h"
-#include "sway/desktop/fx_renderer/fx_texture.h"
-
-struct fx_framebuffer fx_framebuffer_create() {
- return (struct fx_framebuffer) {
- .fb = -1,
- .stencil_buffer = fx_stencilbuffer_create(),
- .texture = fx_texture_create(),
- };
-}
-
-void fx_framebuffer_bind(struct fx_framebuffer *buffer) {
- glBindFramebuffer(GL_FRAMEBUFFER, buffer->fb);
-}
-
-void fx_framebuffer_update(struct fx_framebuffer *buffer, int width, int height) {
- bool first_alloc = false;
-
- if (buffer->fb == (uint32_t) -1) {
- glGenFramebuffers(1, &buffer->fb);
- first_alloc = true;
- }
-
- if (buffer->texture.id == 0) {
- first_alloc = true;
- glGenTextures(1, &buffer->texture.id);
- glBindTexture(GL_TEXTURE_2D, buffer->texture.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);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- }
-
- if (first_alloc || buffer->texture.width != width || buffer->texture.height != height) {
- glBindTexture(GL_TEXTURE_2D, buffer->texture.id);
- glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
-
- glBindFramebuffer(GL_FRAMEBUFFER, buffer->fb);
- glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
- buffer->texture.id, 0);
- buffer->texture.target = GL_TEXTURE_2D;
- buffer->texture.has_alpha = false;
- buffer->texture.width = width;
- buffer->texture.height = height;
-
- GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
- if (status != GL_FRAMEBUFFER_COMPLETE) {
- sway_log(SWAY_ERROR, "Framebuffer incomplete, couldn't create! (FB status: %i)", status);
- return;
- }
- sway_log(SWAY_DEBUG, "Framebuffer created, status %i", status);
- }
-
- glBindTexture(GL_TEXTURE_2D, 0);
-}
-
-void fx_framebuffer_add_stencil_buffer(struct fx_framebuffer *buffer, int width, int height) {
- bool first_alloc = false;
-
- if (buffer->stencil_buffer.rb == (uint32_t) -1) {
- glGenRenderbuffers(1, &buffer->stencil_buffer.rb);
- first_alloc = true;
- }
-
- if (first_alloc || buffer->stencil_buffer.width != width || buffer->stencil_buffer.height != height) {
- glBindRenderbuffer(GL_RENDERBUFFER, buffer->stencil_buffer.rb);
- glRenderbufferStorage(GL_RENDERBUFFER, GL_STENCIL_INDEX8, width, height);
- buffer->stencil_buffer.width = width;
- buffer->stencil_buffer.height = height;
- }
-
- glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, buffer->stencil_buffer.rb);
-}
-
-void fx_framebuffer_release(struct fx_framebuffer *buffer) {
- // Release the framebuffer
- if (buffer->fb != (uint32_t) -1 && buffer->fb) {
- glDeleteFramebuffers(1, &buffer->fb);
- }
- buffer->fb = -1;
-
- // Release the stencil buffer
- fx_stencilbuffer_release(&buffer->stencil_buffer);
-
- // Release the texture
- fx_texture_release(&buffer->texture);
-}