move shader classes to separate folder

2014-03-12 15:25:39 +01:00
parent 277bc1586d
commit 8fd4d855d5
16 changed files with 31 additions and 33 deletions
--- a/src/shader/pattern_shader.cpp
+++ b/src/shader/pattern_shader.cpp
@@ -0,0 +1,85 @@
+#include <llmr/shader/pattern_shader.hpp>
+#include <llmr/shader/shaders.hpp>
+#include <llmr/platform/gl.hpp>
+
+#include <cstdio>
+
+using namespace llmr;
+
+PatternShader::PatternShader()
+    : Shader(
+        shaders[PATTERN_SHADER].vertex,
+        shaders[PATTERN_SHADER].fragment
+    ) {
+    if (!valid) {
+        fprintf(stderr, "invalid pattern shader\n");
+        return;
+    }
+
+    a_pos = glGetAttribLocation(program, "a_pos");
+
+    u_matrix = glGetUniformLocation(program, "u_matrix");
+    u_color = glGetUniformLocation(program, "u_color");
+    u_offset = glGetUniformLocation(program, "u_offset");
+    u_pattern_size = glGetUniformLocation(program, "u_pattern_size");
+    u_pattern_tl = glGetUniformLocation(program, "u_pattern_tl");
+    u_pattern_br = glGetUniformLocation(program, "u_pattern_br");
+    u_mix = glGetUniformLocation(program, "u_mix");
+
+    // fprintf(stderr, "PatternShader:\n");
+    // fprintf(stderr, "    - u_matrix: %d\n", u_matrix);
+    // fprintf(stderr, "    - u_color: %d\n", u_color);
+    // fprintf(stderr, "    - u_offset: %d\n", u_offset);
+    // fprintf(stderr, "    - u_pattern_size: %d\n", u_pattern_size);
+    // fprintf(stderr, "    - u_pattern_tl: %d\n", u_pattern_tl);
+    // fprintf(stderr, "    - u_pattern_br: %d\n", u_pattern_br);
+    // fprintf(stderr, "    - u_mix: %d\n", u_mix);
+}
+
+void PatternShader::bind(char *offset) {
+    glEnableVertexAttribArray(a_pos);
+    glVertexAttribPointer(a_pos, 2, GL_SHORT, false, 0, offset);
+}
+
+void PatternShader::setColor(const std::array<float, 4>& new_color) {
+    if (color != new_color) {
+        glUniform4fv(u_color, 1, new_color.data());
+        color = new_color;
+    }
+}
+
+void PatternShader::setOffset(const std::array<float, 2>& new_offset) {
+    if (offset != new_offset) {
+        glUniform2fv(u_offset, 1, new_offset.data());
+        offset = new_offset;
+    }
+}
+
+void PatternShader::setPatternSize(const std::array<float, 2>& new_pattern_size) {
+    if (pattern_size != new_pattern_size) {
+        glUniform2fv(u_pattern_size, 1, new_pattern_size.data());
+        pattern_size = new_pattern_size;
+    }
+}
+
+void PatternShader::setPatternTopLeft(const std::array<float, 2>& new_pattern_tl) {
+    if (pattern_tl != new_pattern_tl) {
+        glUniform2fv(u_pattern_tl, 1, new_pattern_tl.data());
+        pattern_tl = new_pattern_tl;
+    }
+}
+
+void PatternShader::setPatternBottomRight(const std::array<float, 2>& new_pattern_br) {
+    if (pattern_br != new_pattern_br) {
+        glUniform2fv(u_pattern_br, 1, new_pattern_br.data());
+        pattern_br = new_pattern_br;
+    }
+}
+
+void PatternShader::setMix(float new_mix) {
+    if (mix != new_mix) {
+        glUniform1f(u_mix, new_mix);
+        mix = new_mix;
+    }
+}
+