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-rw-r--r--qemu/ui/shader.c136
1 files changed, 0 insertions, 136 deletions
diff --git a/qemu/ui/shader.c b/qemu/ui/shader.c
deleted file mode 100644
index 9264009b8..000000000
--- a/qemu/ui/shader.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/*
- * QEMU opengl shader helper functions
- *
- * 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/shader.h"
-
-/* ---------------------------------------------------------------------- */
-
-GLuint qemu_gl_init_texture_blit(GLint texture_blit_prog)
-{
- static const GLfloat in_position[] = {
- -1, -1,
- 1, -1,
- -1, 1,
- 1, 1,
- };
- GLint l_position;
- GLuint vao, buffer;
-
- glGenVertexArrays(1, &vao);
- glBindVertexArray(vao);
-
- /* this is the VBO that holds the vertex data */
- glGenBuffers(1, &buffer);
- glBindBuffer(GL_ARRAY_BUFFER, buffer);
- glBufferData(GL_ARRAY_BUFFER, sizeof(in_position), in_position,
- GL_STATIC_DRAW);
-
- l_position = glGetAttribLocation(texture_blit_prog, "in_position");
- glVertexAttribPointer(l_position, 2, GL_FLOAT, GL_FALSE, 0, 0);
- glEnableVertexAttribArray(l_position);
-
- glBindBuffer(GL_ARRAY_BUFFER, 0);
- glBindVertexArray(0);
-
- return vao;
-}
-
-void qemu_gl_run_texture_blit(GLint texture_blit_prog,
- GLint texture_blit_vao)
-{
- glUseProgram(texture_blit_prog);
- glBindVertexArray(texture_blit_vao);
- glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
-}
-
-/* ---------------------------------------------------------------------- */
-
-GLuint qemu_gl_create_compile_shader(GLenum type, const GLchar *src)
-{
- GLuint shader;
- GLint status, length;
- char *errmsg;
-
- shader = glCreateShader(type);
- glShaderSource(shader, 1, &src, 0);
- glCompileShader(shader);
-
- glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
- if (!status) {
- glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &length);
- errmsg = malloc(length);
- glGetShaderInfoLog(shader, length, &length, errmsg);
- fprintf(stderr, "%s: compile %s error\n%s\n", __func__,
- (type == GL_VERTEX_SHADER) ? "vertex" : "fragment",
- errmsg);
- free(errmsg);
- return 0;
- }
- return shader;
-}
-
-GLuint qemu_gl_create_link_program(GLuint vert, GLuint frag)
-{
- GLuint program;
- GLint status, length;
- char *errmsg;
-
- program = glCreateProgram();
- glAttachShader(program, vert);
- glAttachShader(program, frag);
- glLinkProgram(program);
-
- glGetProgramiv(program, GL_LINK_STATUS, &status);
- if (!status) {
- glGetProgramiv(program, GL_INFO_LOG_LENGTH, &length);
- errmsg = malloc(length);
- glGetProgramInfoLog(program, length, &length, errmsg);
- fprintf(stderr, "%s: link program: %s\n", __func__, errmsg);
- free(errmsg);
- return 0;
- }
- return program;
-}
-
-GLuint qemu_gl_create_compile_link_program(const GLchar *vert_src,
- const GLchar *frag_src)
-{
- GLuint vert_shader, frag_shader, program;
-
- vert_shader = qemu_gl_create_compile_shader(GL_VERTEX_SHADER, vert_src);
- frag_shader = qemu_gl_create_compile_shader(GL_FRAGMENT_SHADER, frag_src);
- if (!vert_shader || !frag_shader) {
- return 0;
- }
-
- program = qemu_gl_create_link_program(vert_shader, frag_shader);
- glDeleteShader(vert_shader);
- glDeleteShader(frag_shader);
-
- return program;
-}