ilikecats/stk-code_catmod
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

STKMesh: Use SSAO

Browse Source
This commit is contained in:
vlj 2014-01-16 23:04:12 +01:00 committed by Vincent Lejeune
parent c7fe307a52
commit 6ac970d9a3
2 changed files with 10 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
data/shaders/object_pass2.frag
View File

@ -2,6 +2,7 @@
uniform sampler2D Albedo;
uniform sampler2D DiffuseMap;
uniform sampler2D SpecularMap;
uniform sampler2D SSAO;
uniform vec2 screen;
uniform vec3 ambient;
in vec2 uv;
@ -12,6 +13,7 @@ void main(void)
vec4 color = texture2D(Albedo, uv);
vec3 DiffuseComponent = texture2D(DiffuseMap, tc).xyz;
vec3 SpecularComponent = texture2D(SpecularMap, tc).xyz;
vec3 LightFactor = ambient + DiffuseComponent + SpecularComponent * (1. - color.a);
float ao = texture2D(SSAO, tc).x;
vec3 LightFactor = ao * ambient + DiffuseComponent + SpecularComponent * (1. - color.a);
gl_FragColor = vec4(color.xyz * LightFactor, 1.);
}

10
src/graphics/stkmesh.cpp
View File

@ -53,7 +53,7 @@ namespace ObjectPass2Shader
{
GLuint Program;
GLuint attrib_position, attrib_texcoord;
GLuint uniform_MVP, uniform_TIMV, uniform_Albedo, uniform_DiffuseMap, uniform_SpecularMap, uniform_screen, uniform_ambient;
GLuint uniform_MVP, uniform_TIMV, uniform_Albedo, uniform_DiffuseMap, uniform_SpecularMap, uniform_SSAO, uniform_screen, uniform_ambient;
void init()
{
@ -65,16 +65,18 @@ namespace ObjectPass2Shader
uniform_Albedo = glGetUniformLocation(Program, "Albedo");
uniform_DiffuseMap = glGetUniformLocation(Program, "DiffuseMap");
uniform_SpecularMap = glGetUniformLocation(Program, "SpecularMap");
uniform_SSAO = glGetUniformLocation(Program, "SSAO");
uniform_screen = glGetUniformLocation(Program, "screen");
uniform_ambient = glGetUniformLocation(Program, "ambient");
}
void setUniforms(const core::matrix4 &ModelViewProjectionMatrix, unsigned TU_Albedo, unsigned TU_DiffuseMap, unsigned TU_SpecularMap)
void setUniforms(const core::matrix4 &ModelViewProjectionMatrix, unsigned TU_Albedo, unsigned TU_DiffuseMap, unsigned TU_SpecularMap, unsigned TU_SSAO)
{
glUniformMatrix4fv(uniform_MVP, 1, GL_FALSE, ModelViewProjectionMatrix.pointer());
glUniform1i(uniform_Albedo, TU_Albedo);
glUniform1i(uniform_DiffuseMap, TU_DiffuseMap);
glUniform1i(uniform_SpecularMap, TU_SpecularMap);
glUniform1i(uniform_SSAO, TU_SSAO);
glUniform2f(uniform_screen, UserConfigParams::m_width, UserConfigParams::m_height);
const video::SColorf s = irr_driver->getSceneManager()->getAmbientLight();
glUniform3f(uniform_ambient, s.r, s.g, s.b);
@ -245,9 +247,11 @@ void drawSecondPass(const GLMesh &mesh, video::E_MATERIAL_TYPE type)
glBindTexture(GL_TEXTURE_2D, static_cast<irr::video::COpenGLTexture*>(irr_driver->getRTT(RTT_TMP1))->getOpenGLTextureName());
glActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, static_cast<irr::video::COpenGLTexture*>(irr_driver->getRTT(RTT_TMP2))->getOpenGLTextureName());
glActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, static_cast<irr::video::COpenGLTexture*>(irr_driver->getRTT(RTT_SSAO))->getOpenGLTextureName());
glUseProgram(ObjectPass2Shader::Program);
ObjectPass2Shader::setUniforms(ModelViewProjectionMatrix, 0, 1, 2);
ObjectPass2Shader::setUniforms(ModelViewProjectionMatrix, 0, 1, 2, 3);
glBindVertexArray(mesh.vao_second_pass);
glDrawElements(ptype, count, itype, 0);