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Support DYNAMIC_DRAW mesh loading

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This commit is contained in:
raysan5 2016-05-20 09:36:02 +02:00
parent bdb450fccb
commit 7d1d9ff143
4 changed files with 17 additions and 14 deletions
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17
src/rlgl.c
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@ -1500,7 +1500,7 @@ void rlglGenerateMipmaps(Texture2D texture)
}
// Upload vertex data into a VAO (if supported) and VBO
void rlglLoadMesh(Mesh *mesh)
void rlglLoadMesh(Mesh *mesh, bool dynamic)
{
mesh->vaoId = 0; // Vertex Array Object
mesh->vboId[0] = 0; // Vertex positions VBO
@ -1510,6 +1510,9 @@ void rlglLoadMesh(Mesh *mesh)
mesh->vboId[4] = 0; // Vertex tangents VBO
mesh->vboId[5] = 0; // Vertex texcoords2 VBO
mesh->vboId[6] = 0; // Vertex indices VBO
int drawHint = GL_STATIC_DRAW;
if (dynamic) drawHint = GL_DYNAMIC_DRAW;
#if defined(GRAPHICS_API_OPENGL_33) || defined(GRAPHICS_API_OPENGL_ES2)
GLuint vaoId = 0; // Vertex Array Objects (VAO)
@ -1527,14 +1530,14 @@ void rlglLoadMesh(Mesh *mesh)
// Enable vertex attributes: position (shader-location = 0)
glGenBuffers(1, &vboId[0]);
glBindBuffer(GL_ARRAY_BUFFER, vboId[0]);
glBufferData(GL_ARRAY_BUFFER, sizeof(float)*3*mesh->vertexCount, mesh->vertices, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, sizeof(float)*3*mesh->vertexCount, mesh->vertices, drawHint);
glVertexAttribPointer(0, 3, GL_FLOAT, 0, 0, 0);
glEnableVertexAttribArray(0);
// Enable vertex attributes: texcoords (shader-location = 1)
glGenBuffers(1, &vboId[1]);
glBindBuffer(GL_ARRAY_BUFFER, vboId[1]);
glBufferData(GL_ARRAY_BUFFER, sizeof(float)*2*mesh->vertexCount, mesh->texcoords, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, sizeof(float)*2*mesh->vertexCount, mesh->texcoords, drawHint);
glVertexAttribPointer(1, 2, GL_FLOAT, 0, 0, 0);
glEnableVertexAttribArray(1);
@ -1543,7 +1546,7 @@ void rlglLoadMesh(Mesh *mesh)
{
glGenBuffers(1, &vboId[2]);
glBindBuffer(GL_ARRAY_BUFFER, vboId[2]);
glBufferData(GL_ARRAY_BUFFER, sizeof(float)*3*mesh->vertexCount, mesh->normals, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, sizeof(float)*3*mesh->vertexCount, mesh->normals, drawHint);
glVertexAttribPointer(2, 3, GL_FLOAT, 0, 0, 0);
glEnableVertexAttribArray(2);
}
@ -1559,7 +1562,7 @@ void rlglLoadMesh(Mesh *mesh)
{
glGenBuffers(1, &vboId[3]);
glBindBuffer(GL_ARRAY_BUFFER, vboId[3]);
glBufferData(GL_ARRAY_BUFFER, sizeof(unsigned char)*4*mesh->vertexCount, mesh->colors, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, sizeof(unsigned char)*4*mesh->vertexCount, mesh->colors, drawHint);
glVertexAttribPointer(3, 4, GL_UNSIGNED_BYTE, GL_TRUE, 0, 0);
glEnableVertexAttribArray(3);
}
@ -1575,7 +1578,7 @@ void rlglLoadMesh(Mesh *mesh)
{
glGenBuffers(1, &vboId[4]);
glBindBuffer(GL_ARRAY_BUFFER, vboId[4]);
glBufferData(GL_ARRAY_BUFFER, sizeof(float)*3*mesh->vertexCount, mesh->tangents, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, sizeof(float)*3*mesh->vertexCount, mesh->tangents, drawHint);
glVertexAttribPointer(4, 3, GL_FLOAT, 0, 0, 0);
glEnableVertexAttribArray(4);
}
@ -1591,7 +1594,7 @@ void rlglLoadMesh(Mesh *mesh)
{
glGenBuffers(1, &vboId[5]);
glBindBuffer(GL_ARRAY_BUFFER, vboId[5]);
glBufferData(GL_ARRAY_BUFFER, sizeof(float)*2*mesh->vertexCount, mesh->texcoords2, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, sizeof(float)*2*mesh->vertexCount, mesh->texcoords2, drawHint);
glVertexAttribPointer(5, 2, GL_FLOAT, 0, 0, 0);
glEnableVertexAttribArray(5);
}