mirror of
https://github.com/hrydgard/ppsspp.git
synced 2025-04-02 11:01:50 -04:00
41f5abab31
Now builds on Playbook and Dev Alpha Make emulator more compatible with other OS (case sensitivity, defines, includes) Uses Android's code paths and backend
81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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// TODO: We should transition from doing the transform in software, as seen in TransformPipeline.cpp,
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// into doing the transform in the vertex shader - except for Rectangles, there we really need to do
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// the transforms ourselves.
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#include <stdio.h>
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#include "../ge_constants.h"
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#include "../GPUState.h"
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#include "VertexShaderGenerator.h"
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// SDL 1.2 on Apple does not have support for OpenGL 3 and hence needs
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// special treatment in the shader generator.
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#ifdef __APPLE__
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#define FORCE_OPENGL_2_0
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#endif
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#undef WRITE
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static char buffer[16384];
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#define WRITE(x, ...) p+=sprintf(p, x "\n" __VA_ARGS__)
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void ComputeVertexShaderID(VertexShaderID *id)
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{
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// There's currently only one vertex shader
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// as we do the transform in software.
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memset(id->d, 0, sizeof(id->d));
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id->d[0] = gstate.lmode & 1;
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}
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void WriteLight(char *p, int l) {
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// TODO
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}
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char *GenerateVertexShader()
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{
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char *p = buffer;
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#if defined(ANDROID) || defined(BLACKBERRY)
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WRITE("precision highp float;");
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#elif !defined(FORCE_OPENGL_2_0)
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WRITE("#version 130");
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#endif
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WRITE("attribute vec4 a_position;");
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WRITE("attribute vec2 a_texcoord;");
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WRITE("attribute vec4 a_color0;");
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WRITE("uniform mat4 u_proj;");
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WRITE("varying vec4 v_color0;");
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WRITE("varying vec4 v_color1;");
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WRITE("varying vec2 v_texcoord;");
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WRITE("void main() {");
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WRITE("v_color0 = a_color0;");
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WRITE("v_color1 = a_color0;");
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WRITE("v_texcoord = a_texcoord;");
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WRITE("gl_Position = u_proj * a_position;");
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WRITE("}");
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return buffer;
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}
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