void LinkedShader::updateUniforms() {
if (!dirtyUniforms)
return;
// Update any dirty uniforms before we draw
if (u_proj != -1 && (dirtyUniforms & DIRTY_PROJMATRIX)) {
glUniformMatrix4fv(u_proj, 1, GL_FALSE, gstate.projMatrix);
float flippedMatrix[16];
memcpy(flippedMatrix, gstate.projMatrix, 16 * sizeof(float));
if (gstate_c.vpHeight < 0) {
flippedMatrix[5] = -flippedMatrix[5];
flippedMatrix[13] = -flippedMatrix[13];
}
if (gstate_c.vpWidth < 0) {
flippedMatrix[0] = -flippedMatrix[0];
flippedMatrix[12] = -flippedMatrix[12];
}
glUniformMatrix4fv(u_proj, 1, GL_FALSE, flippedMatrix);
}
if (u_proj_through != -1 && (dirtyUniforms & DIRTY_PROJTHROUGHMATRIX))
{
Matrix4x4 proj_through;
proj_through.setOrtho(0.0f, gstate_c.curRTWidth, gstate_c.curRTHeight, 0, 0, 1);
glUniformMatrix4fv(u_proj_through, 1, GL_FALSE, proj_through.getReadPtr());
}
if (u_texenv != -1 && (dirtyUniforms & DIRTY_TEXENV)) {
SetColorUniform3(u_texenv, gstate.texenvcolor);
}
if (u_alphacolorref != -1 && (dirtyUniforms & DIRTY_ALPHACOLORREF)) {
SetColorUniform3Alpha(u_alphacolorref, gstate.colorref, (gstate.alphatest >> 8) & 0xFF);
}
void LinkedShader::use() {
glUseProgram(program);
glUniform1i(u_tex, 0);
if (!dirtyUniforms)
return;
// Update any dirty uniforms before we draw
if (u_proj != -1 && (dirtyUniforms & DIRTY_PROJMATRIX)) {
glUniformMatrix4fv(u_proj, 1, GL_FALSE, gstate.projMatrix);
float flippedMatrix[16];
memcpy(flippedMatrix, gstate.projMatrix, 16 * sizeof(float));
if (gstate_c.vpHeight < 0) {
flippedMatrix[5] = -flippedMatrix[5];
flippedMatrix[13] = -flippedMatrix[13];
}
if (gstate_c.vpWidth < 0) {
flippedMatrix[0] = -flippedMatrix[0];
flippedMatrix[12] = -flippedMatrix[12];
}
glUniformMatrix4fv(u_proj, 1, GL_FALSE, flippedMatrix);
}
if (u_proj_through != -1 && (dirtyUniforms & DIRTY_PROJTHROUGHMATRIX))
{
Matrix4x4 proj_through;
proj_through.setOrtho(0.0f, 480, 272, 0, -1, 0); // TODO: Store this somewhere instead of regenerating! And not in each LinkedShader object!
glUniformMatrix4fv(u_proj_through, 1, GL_FALSE, proj_through.getReadPtr());
}
if (u_texenv != -1 && (dirtyUniforms & DIRTY_TEXENV)) {
SetColorUniform3(u_texenv, gstate.texenvcolor);
}
if (u_alphacolorref != -1 && (dirtyUniforms & DIRTY_ALPHACOLORREF)) {
glUniform4f(u_alphacolorref, 0.0f, 0.0f, 0.0f, ((float)((gstate.alphatest >> 8) & 0xFF)) / 255.0f);
}
