ilikecats/stk-code_catmod
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Fixes for grass instancied material.

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This commit is contained in:
Vincent Lejeune
2014-03-25 00:09:32 +01:00
parent a866b3f416
commit 9fef40318e
2 changed files with 23 additions and 11 deletions
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2
src/graphics/shaders.cpp
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@@ -913,6 +913,7 @@ namespace MeshShader
GLuint InstancedGrassPass2Shader::attrib_position;
GLuint InstancedGrassPass2Shader::attrib_texcoord;
GLuint InstancedGrassPass2Shader::attrib_color;
GLuint InstancedGrassPass2Shader::attrib_origin;
GLuint InstancedGrassPass2Shader::uniform_VP;
GLuint InstancedGrassPass2Shader::uniform_screen;
GLuint InstancedGrassPass2Shader::uniform_ambient;
@@ -928,6 +929,7 @@ namespace MeshShader
attrib_position = glGetAttribLocation(Program, "Position");
attrib_texcoord = glGetAttribLocation(Program, "Texcoord");
attrib_color = glGetAttribLocation(Program, "Color");
attrib_origin = glGetAttribLocation(Program, "Origin");
uniform_VP = glGetUniformLocation(Program, "ViewProjectionMatrix");
GLuint uniform_Albedo = glGetUniformLocation(Program, "Albedo");
GLuint uniform_DiffuseMap = glGetUniformLocation(Program, "DiffuseMap");

32
src/graphics/stkinstancedscenenode.cpp
View File

@@ -28,41 +28,51 @@ void STKInstancedSceneNode::initinstancedvaostate(GLMesh &mesh, GeometricMateria
case FPSM_DEFAULT:
mesh.vao_first_pass = createVAO(mesh.vertex_buffer, mesh.index_buffer,
MeshShader::InstancedObjectPass1Shader::attrib_position, -1, -1, MeshShader::InstancedObjectPass1Shader::attrib_normal, -1, -1, -1, mesh.Stride);
glGenBuffers(1, &instances_vbo);
glBindBuffer(GL_ARRAY_BUFFER, instances_vbo);
glBufferData(GL_ARRAY_BUFFER, instance_pos.size() * sizeof(float), instance_pos.data(), GL_STATIC_DRAW);
glEnableVertexAttribArray(MeshShader::InstancedObjectPass1Shader::attrib_origin);
glVertexAttribPointer(MeshShader::InstancedObjectPass1Shader::attrib_origin, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), 0);
glVertexAttribDivisor(MeshShader::InstancedObjectPass1Shader::attrib_origin, 1);
break;
case FPSM_GRASS:
mesh.vao_first_pass = createVAO(mesh.vertex_buffer, mesh.index_buffer,
MeshShader::InstancedGrassPass1Shader::attrib_position, MeshShader::InstancedGrassPass1Shader::attrib_texcoord, -1, MeshShader::InstancedGrassPass1Shader::attrib_normal, -1, -1, MeshShader::InstancedGrassPass1Shader::attrib_color, mesh.Stride);
glGenBuffers(1, &instances_vbo);
glBindBuffer(GL_ARRAY_BUFFER, instances_vbo);
glBufferData(GL_ARRAY_BUFFER, instance_pos.size() * sizeof(float), instance_pos.data(), GL_STATIC_DRAW);
glEnableVertexAttribArray(MeshShader::InstancedGrassPass1Shader::attrib_origin);
glVertexAttribPointer(MeshShader::InstancedGrassPass1Shader::attrib_origin, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), 0);
glVertexAttribDivisor(MeshShader::InstancedGrassPass1Shader::attrib_origin, 1);
break;
default:
return;
}
glGenBuffers(1, &instances_vbo);
glBindBuffer(GL_ARRAY_BUFFER, instances_vbo);
glBufferData(GL_ARRAY_BUFFER, instance_pos.size() * sizeof(float), instance_pos.data(), GL_STATIC_DRAW);
glEnableVertexAttribArray(MeshShader::InstancedObjectPass1Shader::attrib_origin);
glVertexAttribPointer(MeshShader::InstancedObjectPass1Shader::attrib_origin, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), 0);
glVertexAttribDivisor(MeshShader::InstancedObjectPass1Shader::attrib_origin, 1);
switch (ShadedMat)
{
case SM_DEFAULT:
mesh.vao_second_pass = createVAO(mesh.vertex_buffer, mesh.index_buffer,
MeshShader::InstancedObjectPass2Shader::attrib_position, MeshShader::InstancedObjectPass2Shader::attrib_texcoord, -1, -1, -1, -1, -1, mesh.Stride);
glBindBuffer(GL_ARRAY_BUFFER, instances_vbo);
glEnableVertexAttribArray(MeshShader::InstancedObjectPass2Shader::attrib_origin);
glVertexAttribPointer(MeshShader::InstancedObjectPass2Shader::attrib_origin, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), 0);
glVertexAttribDivisor(MeshShader::InstancedObjectPass2Shader::attrib_origin, 1);
break;
case SM_GRASS:
mesh.vao_second_pass = createVAO(mesh.vertex_buffer, mesh.index_buffer,
MeshShader::InstancedGrassPass2Shader::attrib_position, MeshShader::InstancedGrassPass2Shader::attrib_texcoord, -1, -1, -1, -1, MeshShader::InstancedGrassPass2Shader::attrib_color, mesh.Stride);
glBindBuffer(GL_ARRAY_BUFFER, instances_vbo);
glEnableVertexAttribArray(MeshShader::InstancedGrassPass2Shader::attrib_origin);
glVertexAttribPointer(MeshShader::InstancedGrassPass2Shader::attrib_origin, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), 0);
glVertexAttribDivisor(MeshShader::InstancedGrassPass2Shader::attrib_origin, 1);
break;
default:
return;
}
glBindBuffer(GL_ARRAY_BUFFER, instances_vbo);
glEnableVertexAttribArray(MeshShader::InstancedObjectPass2Shader::attrib_origin);
glVertexAttribPointer(MeshShader::InstancedObjectPass2Shader::attrib_origin, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), 0);
glVertexAttribDivisor(MeshShader::InstancedObjectPass2Shader::attrib_origin, 1);
glBindVertexArray(0);
}