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Add methods for debug rendering of box faces and box edges

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This commit is contained in:
Erik Broberg
2016-06-14 21:05:08 -04:00
parent 3df34be916
commit aefb7c3030
4 changed files with 68 additions and 19 deletions
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55
modules/debugging/rendering/debugrenderer.cpp
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@@ -45,11 +45,11 @@ namespace openspace {
DebugRenderer::DebugRenderer() {
_programObject = OsEng.renderEngine().buildRenderProgram(
_programObject = std::shared_ptr<ProgramObject>(OsEng.renderEngine().buildRenderProgram(
"BasicDebugShader",
"${MODULE_DEBUGGING}/rendering/debugshader_vs.glsl",
"${MODULE_DEBUGGING}/rendering/debugshader_fs.glsl"
);
));
}
@@ -65,7 +65,7 @@ namespace openspace {
return _singleton;
}
void DebugRenderer::renderScreenSpace(const std::vector<glm::vec3>& clippingSpacePoints, GLenum mode, glm::vec4 rgba) const {
void DebugRenderer::renderVertices(const std::vector<glm::vec4>& clippingSpacePoints, GLenum mode, glm::vec4 rgba) const {
if (clippingSpacePoints.size() == 0) {
return;
}
@@ -94,7 +94,7 @@ namespace openspace {
GL_STATIC_DRAW);
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(clippingSpacePoints[0]), 0);
glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, sizeof(clippingSpacePoints[0]), 0);
// uniforms
@@ -105,8 +105,6 @@ namespace openspace {
if (error != GL_NO_ERROR) {
LERROR(error);
}
glBindVertexArray(0);
@@ -115,5 +113,50 @@ namespace openspace {
_programObject->deactivate();
}
void DebugRenderer::renderBoxFaces(const std::vector<glm::vec4>& clippingSpaceBoxCorners, glm::vec4 rgba) const {
const std::vector<glm::vec4>& V = clippingSpaceBoxCorners;
std::vector<glm::vec4> T;
// add "sides"
T.push_back(V[0]); T.push_back(V[1]); T.push_back(V[4]);
T.push_back(V[5]); T.push_back(V[4]); T.push_back(V[1]);
T.push_back(V[1]); T.push_back(V[3]); T.push_back(V[5]);
T.push_back(V[7]); T.push_back(V[5]); T.push_back(V[3]);
T.push_back(V[3]); T.push_back(V[6]); T.push_back(V[7]);
T.push_back(V[6]); T.push_back(V[3]); T.push_back(V[2]);
T.push_back(V[2]); T.push_back(V[4]); T.push_back(V[6]);
T.push_back(V[4]); T.push_back(V[2]); T.push_back(V[0]);
// add "top"
T.push_back(V[5]); T.push_back(V[6]); T.push_back(V[7]);
T.push_back(V[6]); T.push_back(V[5]); T.push_back(V[4]);
// add bottom
T.push_back(V[0]); T.push_back(V[1]); T.push_back(V[2]);
T.push_back(V[3]); T.push_back(V[2]); T.push_back(V[1]);
renderVertices(T, GL_TRIANGLES, rgba);
}
void DebugRenderer::renderBoxEdges(const std::vector<glm::vec4>& clippingSpacePoints, glm::vec4 rgba) const {
const std::vector<glm::vec4>& V = clippingSpacePoints;
std::vector<glm::vec4> lineVertices;
for (size_t i = 0; i < 4; i++) {
lineVertices.push_back(V[2 * i]);
lineVertices.push_back(V[2 * i + 1]);
lineVertices.push_back(V[i]);
lineVertices.push_back(V[i + 4]);
}
lineVertices.push_back(V[0]); lineVertices.push_back(V[2]);
lineVertices.push_back(V[1]); lineVertices.push_back(V[3]);
lineVertices.push_back(V[4]); lineVertices.push_back(V[6]);
lineVertices.push_back(V[5]); lineVertices.push_back(V[7]);
DebugRenderer::ref()->renderVertices(lineVertices, GL_LINES, rgba);
}
} // namespace openspace