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#include <render.hpp>
static Shader *currentShader = nullptr;
namespace Render {
Shader worldShader;
Shader textShader;
void initShaders(void)
{
// create the world shader
worldShader.create("shaders/world.vert", "shaders/world.frag");
worldShader.addUniform("texture");
worldShader.addUniform("ortho");
worldShader.addUniform("tex_color");
worldShader.addUniform("transform");
worldShader.addUniform("ambientLight");
worldShader.addUniform("lightImpact");
worldShader.addUniform("light");
worldShader.addUniform("lightColor");
worldShader.addUniform("lightSize");
// create the text shader
textShader.create("shaders/new.vert", "shaders/new.frag");
textShader.addUniform("sampler");
textShader.addUniform("ortho"); // actually not used, ortho in new.vert is mislabeled (actually transform)
textShader.addUniform("tex_color");
textShader.addUniform("ortho"); // this is transform
}
void useShader(Shader *s)
{
currentShader = s;
}
void drawRect(vec2 ll, vec2 ur, float z)
{
GLfloat verts[] = {ll.x, ll.y, z,
ur.x, ll.y, z,
ur.x, ur.y, z,
ur.x, ur.y, z,
ll.x, ur.y, z,
ll.x, ll.y, z};
GLfloat tex[] = {0.0, 1.0,
1.0, 1.0,
1.0, 0.0,
1.0, 0.0,
0.0, 0.0,
0.0, 1.0};
glUniform1i(currentShader->uniform[WU_texture], 0);
currentShader->enable();
glVertexAttribPointer(currentShader->coord, 3, GL_FLOAT, GL_FALSE, 0, verts);
glVertexAttribPointer(currentShader->tex, 2, GL_FLOAT, GL_FALSE, 0, tex);
glDrawArrays(GL_TRIANGLES, 0, 6);
currentShader->disable();
}
}
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