42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
#include "Dengine/Shader.h"
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const i32 shader_loadProgram(Shader *const shader, const GLuint vertexShader,
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const GLuint fragmentShader)
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{
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shader->id = glCreateProgram();
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glAttachShader(shader->id, vertexShader);
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glAttachShader(shader->id, fragmentShader);
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glLinkProgram(shader->id);
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glDeleteShader(fragmentShader);
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glDeleteShader(vertexShader);
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GLint success;
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GLchar infoLog[512];
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glGetProgramiv(shader->id, GL_LINK_STATUS, &success);
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if (!success)
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{
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glGetProgramInfoLog(shader->id, 512, NULL, infoLog);
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printf("glLinkProgram failed: %s\n", infoLog);
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return -1;
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}
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return 0;
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}
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void shader_uniformSet1i(Shader *const shader, const GLchar *name,
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const GLuint data)
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{
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GLint uniformLoc = glGetUniformLocation(shader->id, name);
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glUniform1i(uniformLoc, data);
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}
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void shader_uniformSetMat4fv(Shader *const shader, const GLchar *name,
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mat4 data)
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{
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GLint uniformLoc = glGetUniformLocation(shader->id, name);
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glUniformMatrix4fv(uniformLoc, 1, GL_FALSE, data.e[0]);
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}
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void shader_use(const Shader *const shader) { glUseProgram(shader->id); }
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