summaryrefslogtreecommitdiffstats
path: root/qemu/ui/sdl2-gl.c
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/ui/sdl2-gl.c')
-rw-r--r--qemu/ui/sdl2-gl.c248
1 files changed, 0 insertions, 248 deletions
diff --git a/qemu/ui/sdl2-gl.c b/qemu/ui/sdl2-gl.c
deleted file mode 100644
index a324ecaca..000000000
--- a/qemu/ui/sdl2-gl.c
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
- * QEMU SDL display driver -- opengl support
- *
- * Copyright (c) 2014 Red Hat
- *
- * Authors:
- * Gerd Hoffmann <kraxel@redhat.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "qemu/osdep.h"
-#include "qemu-common.h"
-#include "ui/console.h"
-#include "ui/input.h"
-#include "ui/sdl2.h"
-#include "sysemu/sysemu.h"
-
-#include <epoxy/gl.h>
-
-static void sdl2_set_scanout_mode(struct sdl2_console *scon, bool scanout)
-{
- if (scon->scanout_mode == scanout) {
- return;
- }
-
- scon->scanout_mode = scanout;
- if (!scon->scanout_mode) {
- if (scon->fbo_id) {
- glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT,
- GL_COLOR_ATTACHMENT0_EXT,
- GL_TEXTURE_2D, 0, 0);
- glDeleteFramebuffers(1, &scon->fbo_id);
- glBindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
- scon->fbo_id = 0;
- }
- if (scon->surface) {
- surface_gl_destroy_texture(scon->gls, scon->surface);
- surface_gl_create_texture(scon->gls, scon->surface);
- }
- }
-}
-
-static void sdl2_gl_render_surface(struct sdl2_console *scon)
-{
- int ww, wh;
-
- SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
- sdl2_set_scanout_mode(scon, false);
-
- SDL_GetWindowSize(scon->real_window, &ww, &wh);
- surface_gl_setup_viewport(scon->gls, scon->surface, ww, wh);
-
- surface_gl_render_texture(scon->gls, scon->surface);
- SDL_GL_SwapWindow(scon->real_window);
-}
-
-void sdl2_gl_update(DisplayChangeListener *dcl,
- int x, int y, int w, int h)
-{
- struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
-
- assert(scon->opengl);
-
- SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
- surface_gl_update_texture(scon->gls, scon->surface, x, y, w, h);
- scon->updates++;
-}
-
-void sdl2_gl_switch(DisplayChangeListener *dcl,
- DisplaySurface *new_surface)
-{
- struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
- DisplaySurface *old_surface = scon->surface;
-
- assert(scon->opengl);
-
- SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
- surface_gl_destroy_texture(scon->gls, scon->surface);
-
- scon->surface = new_surface;
-
- if (!new_surface) {
- console_gl_fini_context(scon->gls);
- scon->gls = NULL;
- sdl2_window_destroy(scon);
- return;
- }
-
- if (!scon->real_window) {
- sdl2_window_create(scon);
- scon->gls = console_gl_init_context();
- } else if (old_surface &&
- ((surface_width(old_surface) != surface_width(new_surface)) ||
- (surface_height(old_surface) != surface_height(new_surface)))) {
- sdl2_window_resize(scon);
- }
-
- surface_gl_create_texture(scon->gls, scon->surface);
-}
-
-void sdl2_gl_refresh(DisplayChangeListener *dcl)
-{
- struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
-
- assert(scon->opengl);
-
- graphic_hw_update(dcl->con);
- if (scon->updates && scon->surface) {
- scon->updates = 0;
- sdl2_gl_render_surface(scon);
- }
- sdl2_poll_events(scon);
-}
-
-void sdl2_gl_redraw(struct sdl2_console *scon)
-{
- assert(scon->opengl);
-
- if (scon->surface) {
- sdl2_gl_render_surface(scon);
- }
-}
-
-QEMUGLContext sdl2_gl_create_context(DisplayChangeListener *dcl,
- QEMUGLParams *params)
-{
- struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
- SDL_GLContext ctx;
-
- assert(scon->opengl);
-
- SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
-
- SDL_GL_SetAttribute(SDL_GL_SHARE_WITH_CURRENT_CONTEXT, 1);
- SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK,
- SDL_GL_CONTEXT_PROFILE_CORE);
- SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, params->major_ver);
- SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, params->minor_ver);
-
- ctx = SDL_GL_CreateContext(scon->real_window);
- return (QEMUGLContext)ctx;
-}
-
-void sdl2_gl_destroy_context(DisplayChangeListener *dcl, QEMUGLContext ctx)
-{
- SDL_GLContext sdlctx = (SDL_GLContext)ctx;
-
- SDL_GL_DeleteContext(sdlctx);
-}
-
-int sdl2_gl_make_context_current(DisplayChangeListener *dcl,
- QEMUGLContext ctx)
-{
- struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
- SDL_GLContext sdlctx = (SDL_GLContext)ctx;
-
- assert(scon->opengl);
-
- return SDL_GL_MakeCurrent(scon->real_window, sdlctx);
-}
-
-QEMUGLContext sdl2_gl_get_current_context(DisplayChangeListener *dcl)
-{
- SDL_GLContext sdlctx;
-
- sdlctx = SDL_GL_GetCurrentContext();
- return (QEMUGLContext)sdlctx;
-}
-
-void sdl2_gl_scanout(DisplayChangeListener *dcl,
- uint32_t backing_id, bool backing_y_0_top,
- uint32_t x, uint32_t y,
- uint32_t w, uint32_t h)
-{
- struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
-
- assert(scon->opengl);
- scon->x = x;
- scon->y = y;
- scon->w = w;
- scon->h = h;
- scon->tex_id = backing_id;
- scon->y0_top = backing_y_0_top;
-
- SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
-
- if (scon->tex_id == 0 || scon->w == 0 || scon->h == 0) {
- sdl2_set_scanout_mode(scon, false);
- return;
- }
-
- sdl2_set_scanout_mode(scon, true);
- if (!scon->fbo_id) {
- glGenFramebuffers(1, &scon->fbo_id);
- }
-
- glBindFramebuffer(GL_FRAMEBUFFER_EXT, scon->fbo_id);
- glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
- GL_TEXTURE_2D, scon->tex_id, 0);
-}
-
-void sdl2_gl_scanout_flush(DisplayChangeListener *dcl,
- uint32_t x, uint32_t y, uint32_t w, uint32_t h)
-{
- struct sdl2_console *scon = container_of(dcl, struct sdl2_console, dcl);
- int ww, wh, y1, y2;
-
- assert(scon->opengl);
- if (!scon->scanout_mode) {
- return;
- }
- if (!scon->fbo_id) {
- return;
- }
-
- SDL_GL_MakeCurrent(scon->real_window, scon->winctx);
-
- glBindFramebuffer(GL_READ_FRAMEBUFFER, scon->fbo_id);
- glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
-
- SDL_GetWindowSize(scon->real_window, &ww, &wh);
- glViewport(0, 0, ww, wh);
- y1 = scon->y0_top ? 0 : scon->h;
- y2 = scon->y0_top ? scon->h : 0;
- glBlitFramebuffer(0, y1, scon->w, y2,
- 0, 0, ww, wh,
- GL_COLOR_BUFFER_BIT, GL_NEAREST);
- glBindFramebuffer(GL_FRAMEBUFFER_EXT, scon->fbo_id);
-
- SDL_GL_SwapWindow(scon->real_window);
-}