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Diffstat (limited to 'minilibx/mlx_shaders.c')
-rw-r--r--minilibx/mlx_shaders.c240
1 files changed, 0 insertions, 240 deletions
diff --git a/minilibx/mlx_shaders.c b/minilibx/mlx_shaders.c
deleted file mode 100644
index 4a58955..0000000
--- a/minilibx/mlx_shaders.c
+++ /dev/null
@@ -1,240 +0,0 @@
-// mlx_shaders.c
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <OpenGL/gl3.h>
-#include "mlx_int.h"
-
-
-void display_log(GLuint object, void (*param_func)(), void (*getlog_func)())
-{
- GLint log_length;
- char *log;
-
- param_func(object, GL_INFO_LOG_LENGTH, &log_length);
- log = malloc(log_length);
- getlog_func(object, log_length, NULL, log);
- fprintf(stderr, "%s", log);
- free(log);
-}
-
-
-int mlx_shaders_pixel(glsl_info_t *glsl)
-{
- char *source;
- int length;
- GLint action_ok;
-
- glsl->pixel_vshader = glCreateShader(GL_VERTEX_SHADER);
- source = strdup("#version 110 \n"
- "attribute vec2 position;"
- "varying vec2 texcoord;"
- "void main()"
- "{"
- " gl_Position = vec4( position, 0.0, 1.0);"
- " texcoord = vec2(position[0]+1.0, 1.0 - position[1]) / 2.0;"
- "}");
- length = strlen(source);
- glShaderSource(glsl->pixel_vshader, 1, (const GLchar**)&source, &length);
- glCompileShader(glsl->pixel_vshader);
- free(source);
-
- glGetShaderiv(glsl->pixel_vshader, GL_COMPILE_STATUS, &action_ok);
- if (!action_ok) {
- fprintf(stderr, "Failed to compile pixel vshader :\n");
- display_log(glsl->pixel_vshader, glGetShaderiv, glGetShaderInfoLog);
- return (1);
- }
-
- glsl->pixel_fshader = glCreateShader(GL_FRAGMENT_SHADER);
- source = strdup("#version 110 \n"
- "uniform sampler2D texture;"
- "varying vec2 texcoord;"
- "void main()"
- "{"
- " gl_FragColor = texture2D(texture, texcoord);"
- "}");
- length = strlen(source);
- glShaderSource(glsl->pixel_fshader, 1, (const GLchar**)&source, &length);
- glCompileShader(glsl->pixel_fshader);
- free(source);
-
- glGetShaderiv(glsl->pixel_fshader, GL_COMPILE_STATUS, &action_ok);
- if (!action_ok) {
- fprintf(stderr, "Failed to compile pixel fshader :\n");
- display_log(glsl->pixel_fshader, glGetShaderiv, glGetShaderInfoLog);
- return (1);
- }
-
- glsl->pixel_program = glCreateProgram();
- glAttachShader(glsl->pixel_program, glsl->pixel_vshader);
- glAttachShader(glsl->pixel_program, glsl->pixel_fshader);
- glLinkProgram(glsl->pixel_program);
-
- glGetProgramiv(glsl->pixel_program, GL_LINK_STATUS, &action_ok);
- if (!action_ok) {
- fprintf(stderr, "Failed to link pixel shader program:\n");
- display_log(glsl->pixel_program, glGetProgramiv, glGetProgramInfoLog);
- return (1);
- }
-
- glFlush();
-
- return (0);
-}
-
-
-int mlx_shaders_image(glsl_info_t *glsl)
-{
- char *source;
- int length;
- GLint action_ok;
-
- glsl->image_vshader = glCreateShader(GL_VERTEX_SHADER);
- source = strdup("#version 110 \n"
- "attribute vec2 position;"
- "uniform vec2 winhalfsize;"
- "uniform vec2 imagepos;"
- "uniform vec2 imagesize;"
- "varying vec2 texcoord;"
- "void main()"
- "{"
- " texcoord = position / imagesize;"
- " vec2 pos = position - winhalfsize + imagepos;"
- " pos = pos / winhalfsize;"
- " gl_Position = vec4( pos, 0.0, 1.0);"
- "}");
- length = strlen(source);
- glShaderSource(glsl->image_vshader, 1, (const GLchar**)&source, &length);
- glCompileShader(glsl->image_vshader);
- free(source);
-
- glGetShaderiv(glsl->image_vshader, GL_COMPILE_STATUS, &action_ok);
- if (!action_ok) {
- fprintf(stderr, "Failed to compile image vshader :\n");
- display_log(glsl->image_vshader, glGetShaderiv, glGetShaderInfoLog);
- return (1);
- }
-
- glsl->image_fshader = glCreateShader(GL_FRAGMENT_SHADER);
- source = strdup("#version 110 \n"
- "uniform sampler2D texture;"
- "varying vec2 texcoord;"
- "void main()"
- "{"
- " gl_FragColor = texture2D(texture, texcoord);"
- "}");
- length = strlen(source);
- glShaderSource(glsl->image_fshader, 1, (const GLchar**)&source, &length);
- glCompileShader(glsl->image_fshader);
- free(source);
-
- glGetShaderiv(glsl->image_fshader, GL_COMPILE_STATUS, &action_ok);
- if (!action_ok) {
- fprintf(stderr, "Failed to compile image fshader :\n");
- display_log(glsl->image_fshader, glGetShaderiv, glGetShaderInfoLog);
- return (1);
- }
-
- glsl->image_program = glCreateProgram();
- glAttachShader(glsl->image_program, glsl->image_vshader);
- glAttachShader(glsl->image_program, glsl->image_fshader);
- glLinkProgram(glsl->image_program);
-
- glGetProgramiv(glsl->image_program, GL_LINK_STATUS, &action_ok);
- if (!action_ok) {
- fprintf(stderr, "Failed to link image shader program:\n");
- display_log(glsl->image_program, glGetProgramiv, glGetProgramInfoLog);
- return (1);
- }
-
- glFlush();
-
- return (0);
-}
-
-
-
-
-int mlx_shaders_font(glsl_info_t *glsl)
-{
- char *source;
- int length;
- GLint action_ok;
-
- glsl->font_vshader = glCreateShader(GL_VERTEX_SHADER);
- source = strdup("#version 110 \n"
- "attribute vec2 position;"
- "uniform vec2 winhalfsize;"
- "uniform vec2 fontposinwin;"
- "uniform vec2 fontposinatlas;"
- "uniform vec2 fontatlassize;"
- "varying vec2 texcoord;"
- "void main()"
- "{"
-#ifdef STRINGPUTX11
- " texcoord = (position * vec2(1.4, -1.4) + fontposinatlas ) / fontatlassize;"
-#else
- " texcoord = (position * vec2(1.0, -1.0) + fontposinatlas ) / fontatlassize;"
-#endif
- " vec2 pos = position - winhalfsize + fontposinwin;"
- " pos = pos / winhalfsize;"
- " gl_Position = vec4( pos, 0.0, 1.0);"
- "}");
- length = strlen(source);
- glShaderSource(glsl->font_vshader, 1, (const GLchar**)&source, &length);
- glCompileShader(glsl->font_vshader);
- free(source);
-
- glGetShaderiv(glsl->font_vshader, GL_COMPILE_STATUS, &action_ok);
- if (!action_ok) {
- fprintf(stderr, "Failed to compile font vshader :\n");
- display_log(glsl->font_vshader, glGetShaderiv, glGetShaderInfoLog);
- return (1);
- }
-
- glsl->font_fshader = glCreateShader(GL_FRAGMENT_SHADER);
- source = strdup("#version 110 \n"
- "uniform sampler2D texture;"
- "uniform vec4 color;"
- "varying vec2 texcoord;"
- "void main()"
- "{"
- " gl_FragColor = color * texture2D(texture, texcoord);"
- "}");
- length = strlen(source);
- glShaderSource(glsl->font_fshader, 1, (const GLchar**)&source, &length);
- glCompileShader(glsl->font_fshader);
- free(source);
-
- glGetShaderiv(glsl->font_fshader, GL_COMPILE_STATUS, &action_ok);
- if (!action_ok) {
- fprintf(stderr, "Failed to compile font fshader :\n");
- display_log(glsl->font_fshader, glGetShaderiv, glGetShaderInfoLog);
- return (1);
- }
-
- glsl->font_program = glCreateProgram();
- glAttachShader(glsl->font_program, glsl->font_vshader);
- glAttachShader(glsl->font_program, glsl->font_fshader);
- glLinkProgram(glsl->font_program);
-
- glGetProgramiv(glsl->font_program, GL_LINK_STATUS, &action_ok);
- if (!action_ok) {
- fprintf(stderr, "Failed to link font shader program:\n");
- display_log(glsl->font_program, glGetProgramiv, glGetProgramInfoLog);
- return (1);
- }
-
- glFlush();
-
- return (0);
-}
-
-
-
-int mlx_shaders(glsl_info_t *glsl)
-{
- return (mlx_shaders_pixel(glsl) + mlx_shaders_image(glsl) + mlx_shaders_font(glsl));
-}
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