147 lines
4.4 KiB
C++
147 lines
4.4 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. 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, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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 for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "lib/ogl.h"
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#include "lib/res/graphics/ogl_shader.h"
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#include "ps/CLogger.h"
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#include "ps/Filesystem.h"
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#include "renderer/Renderer.h"
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#include "renderer/RenderPathVertexShader.h"
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void VS_GlobalLight::Init(Handle shader)
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{
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m_Ambient = ogl_program_get_uniform_location(shader, "ambient");
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m_SunDir = ogl_program_get_uniform_location(shader, "sunDir");
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m_SunColor = ogl_program_get_uniform_location(shader, "sunColor");
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}
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void VS_Instancing::Init(Handle shader)
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{
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m_Instancing1 = ogl_program_get_attrib_location(shader, "Instancing1");
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m_Instancing2 = ogl_program_get_attrib_location(shader, "Instancing2");
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m_Instancing3 = ogl_program_get_attrib_location(shader, "Instancing3");
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}
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void VS_PosToUV1::Init(Handle shader)
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{
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m_TextureMatrix1 = ogl_program_get_uniform_location(shader, "TextureMatrix1");
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debug_assert(m_TextureMatrix1 >= 0);
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m_TextureMatrix2 = ogl_program_get_uniform_location(shader, "TextureMatrix2");
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debug_assert(m_TextureMatrix2 >= 0);
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m_TextureMatrix3 = ogl_program_get_uniform_location(shader, "TextureMatrix3");
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debug_assert(m_TextureMatrix3 >= 0);
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}
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RenderPathVertexShader::RenderPathVertexShader()
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{
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m_ModelLight = 0;
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m_ModelLightP = 0;
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m_InstancingLight = 0;
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m_Instancing = 0;
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}
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RenderPathVertexShader::~RenderPathVertexShader()
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{
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if (m_ModelLight)
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ogl_program_free(m_ModelLight);
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if (m_ModelLightP)
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ogl_program_free(m_ModelLightP);
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if (m_InstancingLight)
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ogl_program_free(m_InstancingLight);
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if (m_Instancing)
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ogl_program_free(m_Instancing);
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}
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// Initialize this render path.
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// Use delayed initialization so that we can fallback to a different render path
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// if anything went wrong and use the destructor to clean things up.
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bool RenderPathVertexShader::Init()
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{
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if (!g_Renderer.m_Caps.m_VertexShader)
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return false;
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m_ModelLight = ogl_program_load(g_VFS, L"shaders/model_light.xml");
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if (m_ModelLight < 0)
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{
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LOGWARNING(L"Failed to load shaders/model_light.xml: %i\n", (int)m_ModelLight);
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return false;
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}
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m_ModelLightP = ogl_program_load(g_VFS, L"shaders/model_lightp.xml");
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if (m_ModelLightP < 0)
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{
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LOGWARNING(L"Failed to load shaders/model_lightp.xml: %i\n", (int)m_ModelLightP);
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return false;
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}
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m_InstancingLight = ogl_program_load(g_VFS, L"shaders/instancing_light.xml");
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if (m_InstancingLight < 0)
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{
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LOGWARNING(L"Failed to load shaders/instancing_light.xml: %i\n", (int)m_InstancingLight);
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return false;
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}
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m_InstancingLightP = ogl_program_load(g_VFS, L"shaders/instancing_lightp.xml");
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if (m_InstancingLightP < 0)
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{
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LOGWARNING(L"Failed to load shaders/instancing_lightp.xml: %i\n", (int)m_InstancingLightP);
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return false;
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}
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m_Instancing = ogl_program_load(g_VFS, L"shaders/instancing.xml");
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if (m_Instancing < 0)
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{
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LOGWARNING(L"Failed to load shaders/instancing.xml: %i\n", (int)m_Instancing);
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return false;
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}
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m_InstancingP = ogl_program_load(g_VFS, L"shaders/instancingp.xml");
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if (m_InstancingP < 0)
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{
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LOGWARNING(L"Failed to load shaders/instancingp.xml: %i\n", (int)m_InstancingP);
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return false;
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}
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return true;
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}
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// This is quite the hack, but due to shader reloads,
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// the uniform locations might have changed under us.
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void RenderPathVertexShader::BeginFrame()
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{
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m_ModelLight_Light.Init(m_ModelLight);
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m_ModelLightP_Light.Init(m_ModelLightP);
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m_ModelLightP_PosToUV1.Init(m_ModelLightP);
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m_InstancingLight_Light.Init(m_InstancingLight);
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m_InstancingLight_Instancing.Init(m_InstancingLight);
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m_InstancingLightP_Light.Init(m_InstancingLightP);
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m_InstancingLightP_Instancing.Init(m_InstancingLightP);
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m_InstancingLightP_PosToUV1.Init(m_InstancingLightP);
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m_Instancing_Instancing.Init(m_Instancing);
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m_InstancingP_Instancing.Init(m_InstancingP);
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m_InstancingP_PosToUV1.Init(m_InstancingP);
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}
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