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Framebuffer draws: Get rid of the u_viewproj uniform matrix.

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This commit is contained in:
Henrik Rydgård 2013-10-30 14:37:07 +01:00
parent e420d9d7ea
commit 7e27bd9dc9
1 changed files with 15 additions and 8 deletions
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23
GPU/GLES/Framebuffer.cpp
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@ -63,18 +63,17 @@ static const char tex_fs[] =
"uniform sampler2D sampler0;\n"
"varying vec2 v_texcoord0;\n"
"void main() {\n"
" gl_FragColor.rgb = texture2D(sampler0, v_texcoord0).rgb;\n"
" gl_FragColor.a = 1.0;\n"
" gl_FragColor.rgb = texture2D(sampler0, v_texcoord0).rgb;\n"
" gl_FragColor.a = 1.0;\n"
"}\n";
static const char basic_vs[] =
"attribute vec4 a_position;\n"
"attribute vec2 a_texcoord0;\n"
"uniform mat4 u_viewproj;\n"
"varying vec2 v_texcoord0;\n"
"void main() {\n"
" v_texcoord0 = a_texcoord0;\n"
" gl_Position = u_viewproj * a_position;\n"
" gl_Position = a_position;\n"
"}\n";
// Aggressively delete unused FBO:s to save gpu memory.
@ -421,7 +420,18 @@ void FramebufferManager::DrawActiveTexture(GLuint texture, float x, float y, flo
float v1 = flip ? 1.0f : 1.0f - vscale;
float v2 = flip ? 1.0f - vscale : 1.0f;
const float pos[12] = {x,y,0, x+w,y,0, x+w,y+h,0, x,y+h,0};
float pos[12] = {
x,y,0,
x+w,y,0,
x+w,y+h,0,
x,y+h,0
};
for (int i = 0; i < 4; i++) {
pos[i * 3] = pos[i * 3] / (destW * 0.5) - 1.0f;
pos[i * 3 + 1] = -(pos[i * 3 + 1] / (destH * 0.5) - 1.0f);
}
const float texCoords[8] = {0,v1, u2,v1, u2,v2, 0,v2};
const GLubyte indices[4] = {0,1,3,2};
@ -434,9 +444,6 @@ void FramebufferManager::DrawActiveTexture(GLuint texture, float x, float y, flo
}
glsl_bind(program);
Matrix4x4 ortho;
ortho.setOrtho(0, destW, destH, 0, -1, 1);
glUniformMatrix4fv(program->u_viewproj, 1, GL_FALSE, ortho.getReadPtr());
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glEnableVertexAttribArray(program->a_position);