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Fix most of the issues with pre opengl 1.2 backend, except for map rendering

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This commit is contained in:
UnknownShadow200 2017-07-03 23:33:53 +10:00
parent 00ebd7db8e
commit 7f81de5ca6
1 changed files with 49 additions and 18 deletions
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67
ClassicalSharp/GraphicsAPI/OpenGLApi.cs
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@ -18,6 +18,7 @@ namespace ClassicalSharp.GraphicsAPI {
bool glLists = false;
int activeList = -1;
const int dynamicListId = 1234567891;
object dynamicListData = null;
public OpenGLApi() {
InitFields();
@ -47,7 +48,7 @@ namespace ClassicalSharp.GraphicsAPI {
GL.UseArbVboAddresses();
} else {
glLists = true;
}
}
}
public override bool AlphaTest {
@ -239,21 +240,7 @@ namespace ClassicalSharp.GraphicsAPI {
public override void SetDynamicVbData<T>(int id, T[] vertices, int count) {
if (glLists) {
activeList = dynamicListId;
GL.Begin(BeginMode.Triangles);
if (typeof(T) == typeof(VertexP3fT2fC4b)) {
VertexP3fT2fC4b[] ptr = (VertexP3fT2fC4b[])((object)vertices);
for (int i = 0; i < count; i += 4) {
V(ptr[i + 0]); V(ptr[i + 1]); V(ptr[i + 2]);
V(ptr[i + 2]); V(ptr[i + 3]); V(ptr[i + 0]);
}
} else if (typeof(T) == typeof(VertexP3fC4b)) {
VertexP3fC4b[] ptr = (VertexP3fC4b[])((object)vertices);
for (int i = 0; i < count; i += 4) {
V(ptr[i + 0]); V(ptr[i + 1]); V(ptr[i + 2]);
V(ptr[i + 2]); V(ptr[i + 3]); V(ptr[i + 0]);
}
}
GL.End();
dynamicListData = vertices;
return;
}
@ -320,17 +307,61 @@ namespace ClassicalSharp.GraphicsAPI {
const DrawElementsType indexType = DrawElementsType.UnsignedShort;
public override void DrawVb(DrawMode mode, int startVertex, int verticesCount) {
if (glLists) { if (activeList != dynamicListId) GL.CallList(activeList); return; }
if (glLists) { DrawDynamicLines(verticesCount, startVertex); return; }
setupBatchFunc();
GL.DrawArrays(modeMappings[(int)mode], startVertex, verticesCount);
}
public override void DrawIndexedVb(DrawMode mode, int indicesCount, int startIndex) {
if (glLists) { if (activeList != dynamicListId) GL.CallList(activeList); return; }
if (glLists) {
if (activeList != dynamicListId) { GL.CallList(activeList); }
else { DrawDynamicTriangles(indicesCount, startIndex); }
return;
}
setupBatchFunc();
GL.DrawElements(modeMappings[(int)mode], indicesCount, indexType, new IntPtr(startIndex * 2));
}
void DrawDynamicLines(int verticesCount, int startVertex) {
GL.Begin(BeginMode.Lines);
if (batchFormat == VertexFormat.P3fT2fC4b) {
VertexP3fT2fC4b[] ptr = (VertexP3fT2fC4b[])dynamicListData;
for (int i = startVertex; i < startVertex + verticesCount; i += 2) {
V(ptr[i + 0]); V(ptr[i + 1]);
}
} else {
VertexP3fC4b[] ptr = (VertexP3fC4b[])dynamicListData;
for (int i = startVertex; i < startVertex + verticesCount; i += 2) {
V(ptr[i + 0]); V(ptr[i + 1]);
}
}
GL.End();
}
void DrawDynamicTriangles(int verticesCount, int startVertex) {
GL.Begin(BeginMode.Triangles);
// indices -> vertices count
verticesCount = verticesCount * 4 / 6;
startVertex = startVertex * 4 / 6;
if (batchFormat == VertexFormat.P3fT2fC4b) {
VertexP3fT2fC4b[] ptr = (VertexP3fT2fC4b[])dynamicListData;
for (int i = startVertex; i < startVertex + verticesCount; i += 4) {
V(ptr[i + 0]); V(ptr[i + 1]); V(ptr[i + 2]);
V(ptr[i + 2]); V(ptr[i + 3]); V(ptr[i + 0]);
}
} else {
VertexP3fC4b[] ptr = (VertexP3fC4b[])dynamicListData;
for (int i = startVertex; i < startVertex + verticesCount; i += 4) {
V(ptr[i + 0]); V(ptr[i + 1]); V(ptr[i + 2]);
V(ptr[i + 2]); V(ptr[i + 3]); V(ptr[i + 0]);
}
}
GL.End();
}
internal override void DrawIndexedVb_TrisT2fC4b(int indicesCount, int startIndex) {
if (glLists) return;
GL.VertexPointer(3, PointerType.Float, 24, zero);