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vertex shader for texture converter

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degasus
2013-01-11 11:59:42 +01:00
parent 092a99cbd2
commit 60b8e4fb1c
6 changed files with 99 additions and 87 deletions
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23
Source/Plugins/Plugin_VideoOGL/Src/RasterFont.cpp
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@ -131,22 +131,22 @@ const u8 rasters[char_count][char_height] = {
static const char *s_vertexShaderSrc =
"#version 130\n"
"uniform vec2 charSize;\n"
"in vec2 vertexPosition;\n"
"in vec2 texturePosition;\n"
"out vec2 tpos;\n"
"in vec2 vposition;\n"
"in vec2 texture0;\n"
"out vec2 uv0;\n"
"void main(void) {\n"
" gl_Position = vec4(vertexPosition,0,1);\n"
" tpos = texturePosition * charSize;\n"
" gl_Position = vec4(vposition,0,1);\n"
" uv0 = texture0 * charSize;\n"
"}\n";
static const char *s_fragmentShaderSrc =
"#version 130\n"
"uniform sampler2D samp0;\n"
"uniform vec4 color;\n"
"in vec2 tpos;\n"
"in vec2 uv0;\n"
"out vec4 ocol0;\n"
"void main(void) {\n"
" ocol0 = texture2D(samp0,tpos) * color;\n"
" ocol0 = texture2D(samp0,uv0) * color;\n"
"}\n";
@ -179,7 +179,6 @@ RasterFont::RasterFont()
GLuint shader_program = ProgramShaderCache::GetCurrentProgram();
// bound uniforms
glUniform1i(glGetUniformLocation(shader_program,"samp0"), 0); // GL_TEXTURE0
glUniform2f(glGetUniformLocation(shader_program,"charSize"), 1.0f / GLfloat(char_count), 1.0f);
uniform_color_id = glGetUniformLocation(shader_program,"color");
glUniform4f(uniform_color_id, 1.0f, 1.0f, 1.0f, 1.0f);
@ -190,10 +189,10 @@ RasterFont::RasterFont()
glGenVertexArrays(1, &VAO);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glBindVertexArray(VAO);
glEnableVertexAttribArray(glGetAttribLocation(shader_program, "vertexPosition"));
glVertexAttribPointer(glGetAttribLocation(shader_program, "vertexPosition"), 2, GL_FLOAT, 0, sizeof(GLfloat)*4, NULL);
glEnableVertexAttribArray(glGetAttribLocation(shader_program, "texturePosition"));
glVertexAttribPointer(glGetAttribLocation(shader_program, "texturePosition"), 2, GL_FLOAT, 0, sizeof(GLfloat)*4, (GLfloat*)NULL+2);
glEnableVertexAttribArray(SHADER_POSITION_ATTRIB);
glVertexAttribPointer(SHADER_POSITION_ATTRIB, 2, GL_FLOAT, 0, sizeof(GLfloat)*4, NULL);
glEnableVertexAttribArray(SHADER_TEXTURE0_ATTRIB);
glVertexAttribPointer(SHADER_TEXTURE0_ATTRIB, 2, GL_FLOAT, 0, sizeof(GLfloat)*4, (GLfloat*)NULL+2);
// TODO: this after merging with graphic_update
glBindVertexArray(0);