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OpenGL2: Detect Intel graphics and avoid/use certain operations there.

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Also use qglCopyTextureSubImage2DEXT instead of qglCopyTextureImage2DEXT.
This commit is contained in:
SmileTheory 2016-12-07 22:30:55 -08:00
parent 730207817e
commit 0672905ef1
9 changed files with 22 additions and 13 deletions
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4
code/renderergl2/tr_vbo.c
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@ -360,8 +360,8 @@ void R_BindVao(vao_t * vao)
{
qglBindVertexArray(vao->vao);
// why you no save GL_ELEMENT_ARRAY_BUFFER binding, Intel?
if (1)
// Intel Graphics doesn't save GL_ELEMENT_ARRAY_BUFFER binding with VAO binding.
if (glRefConfig.intelGraphics || vao == tess.vao)
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vao->indexesIBO);
// tess VAO always has buffers bound