diff options
Diffstat (limited to 'qemu/ui/console-gl.c')
| -rw-r--r-- | qemu/ui/console-gl.c | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/qemu/ui/console-gl.c b/qemu/ui/console-gl.c deleted file mode 100644 index 74b1bed6e..000000000 --- a/qemu/ui/console-gl.c +++ /dev/null @@ -1,174 +0,0 @@ -/* - * QEMU graphical console -- opengl helper bits - * - * 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/shader.h" - -#include "shader/texture-blit-vert.h" -#include "shader/texture-blit-frag.h" - -struct ConsoleGLState { - GLint texture_blit_prog; - GLint texture_blit_vao; -}; - -/* ---------------------------------------------------------------------- */ - -ConsoleGLState *console_gl_init_context(void) -{ - ConsoleGLState *gls = g_new0(ConsoleGLState, 1); - - gls->texture_blit_prog = qemu_gl_create_compile_link_program - (texture_blit_vert_src, texture_blit_frag_src); - if (!gls->texture_blit_prog) { - exit(1); - } - - gls->texture_blit_vao = - qemu_gl_init_texture_blit(gls->texture_blit_prog); - - return gls; -} - -void console_gl_fini_context(ConsoleGLState *gls) -{ - if (!gls) { - return; - } - g_free(gls); -} - -bool console_gl_check_format(DisplayChangeListener *dcl, - pixman_format_code_t format) -{ - switch (format) { - case PIXMAN_BE_b8g8r8x8: - case PIXMAN_BE_b8g8r8a8: - case PIXMAN_r5g6b5: - return true; - default: - return false; - } -} - -void surface_gl_create_texture(ConsoleGLState *gls, - DisplaySurface *surface) -{ - assert(gls); - assert(surface_stride(surface) % surface_bytes_per_pixel(surface) == 0); - - switch (surface->format) { - case PIXMAN_BE_b8g8r8x8: - case PIXMAN_BE_b8g8r8a8: - surface->glformat = GL_BGRA_EXT; - surface->gltype = GL_UNSIGNED_BYTE; - break; - case PIXMAN_r5g6b5: - surface->glformat = GL_RGB; - surface->gltype = GL_UNSIGNED_SHORT_5_6_5; - break; - default: - g_assert_not_reached(); - } - - glGenTextures(1, &surface->texture); - glEnable(GL_TEXTURE_2D); - glBindTexture(GL_TEXTURE_2D, surface->texture); - glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, - surface_stride(surface) / surface_bytes_per_pixel(surface)); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, - surface_width(surface), - surface_height(surface), - 0, surface->glformat, surface->gltype, - surface_data(surface)); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); -} - -void surface_gl_update_texture(ConsoleGLState *gls, - DisplaySurface *surface, - int x, int y, int w, int h) -{ - uint8_t *data = (void *)surface_data(surface); - - assert(gls); - - glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, - surface_stride(surface) / surface_bytes_per_pixel(surface)); - glTexSubImage2D(GL_TEXTURE_2D, 0, - x, y, w, h, - surface->glformat, surface->gltype, - data + surface_stride(surface) * y - + surface_bytes_per_pixel(surface) * x); -} - -void surface_gl_render_texture(ConsoleGLState *gls, - DisplaySurface *surface) -{ - assert(gls); - - glClearColor(0.1f, 0.1f, 0.1f, 0.0f); - glClear(GL_COLOR_BUFFER_BIT); - - qemu_gl_run_texture_blit(gls->texture_blit_prog, - gls->texture_blit_vao); -} - -void surface_gl_destroy_texture(ConsoleGLState *gls, - DisplaySurface *surface) -{ - if (!surface || !surface->texture) { - return; - } - glDeleteTextures(1, &surface->texture); - surface->texture = 0; -} - -void surface_gl_setup_viewport(ConsoleGLState *gls, - DisplaySurface *surface, - int ww, int wh) -{ - int gw, gh, stripe; - float sw, sh; - - assert(gls); - - gw = surface_width(surface); - gh = surface_height(surface); - - sw = (float)ww/gw; - sh = (float)wh/gh; - if (sw < sh) { - stripe = wh - wh*sw/sh; - glViewport(0, stripe / 2, ww, wh - stripe); - } else { - stripe = ww - ww*sh/sw; - glViewport(stripe / 2, 0, ww - stripe, wh); - } -} |