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OpenGL2: Fix corrupt models.

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This commit is contained in:
SmileTheory 2014-10-23 16:51:10 -07:00
parent 4f5ebf8349
commit 3765652778
7 changed files with 139 additions and 148 deletions
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68
code/renderergl2/tr_vbo.c
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@ -94,24 +94,32 @@ void R_VaoUnpackNormal(vec3_t v, uint32_t b)
void Vao_SetVertexPointers(vao_t *vao)
{
int i;
int attribIndex;
// set vertex pointers
for (i = 0; i < ATTR_INDEX_COUNT; i++)
for (attribIndex = 0; attribIndex < ATTR_INDEX_COUNT; attribIndex++)
{
if (vao->attribs[i].enabled)
uint32_t attribBit = 1 << attribIndex;
vaoAttrib_t *vAtb = &vao->attribs[attribIndex];
if (vAtb->enabled)
{
qglVertexAttribPointerARB((GLuint)i,
(GLint)vao->attribs[i].count,
(GLenum)vao->attribs[i].type,
(GLboolean)vao->attribs[i].normalized,
(GLsizei)vao->attribs[i].stride,
BUFFER_OFFSET(vao->attribs[i].offset));
qglEnableVertexAttribArrayARB(i);
qglVertexAttribPointerARB(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset));
if (glRefConfig.vertexArrayObject || !(glState.vertexAttribsEnabled & attribBit))
qglEnableVertexAttribArrayARB(attribIndex);
if (!glRefConfig.vertexArrayObject || vao == tess.vao)
glState.vertexAttribsEnabled |= attribBit;
}
else
{
qglDisableVertexAttribArrayARB(i);
// don't disable vertex attribs when using vertex array objects
// Vao_SetVertexPointers is only called during init when using VAOs, and vertex attribs start disabled anyway
if (!glRefConfig.vertexArrayObject && (glState.vertexAttribsEnabled & attribBit))
qglDisableVertexAttribArrayARB(attribIndex);
if (!glRefConfig.vertexArrayObject || vao == tess.vao)
glState.vertexAttribsEnabled &= ~attribBit;
}
}
}
@ -386,8 +394,6 @@ void R_BindVao(vao_t * vao)
glState.currentVao = vao;
glState.vertexAttribsInterpolation = 0;
glState.vertexAttribsOldFrame = 0;
glState.vertexAttribsNewFrame = 0;
glState.vertexAnimation = qfalse;
backEnd.pc.c_vaoBinds++;
@ -398,13 +404,19 @@ void R_BindVao(vao_t * vao)
// why you no save GL_ELEMENT_ARRAY_BUFFER binding, Intel?
if (1)
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER, vao->indexesIBO);
// tess VAO always has buffers bound
if (vao == tess.vao)
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, vao->vertexesVBO);
}
else
{
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, vao->vertexesVBO);
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, vao->indexesIBO);
Vao_SetVertexPointers(vao);
// tess VAO doesn't have vertex pointers set until data is uploaded
if (vao != tess.vao)
Vao_SetVertexPointers(vao);
}
}
}
@ -642,13 +654,6 @@ void RB_UpdateTessVao(unsigned int attribBits)
R_BindVao(tess.vao);
// these may not be bound if we're using VAOs
if (glRefConfig.vertexArrayObject)
{
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, tess.vao->vertexesVBO);
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, tess.vao->indexesIBO);
}
// orphan old vertex buffer so we don't stall on it
qglBufferDataARB(GL_ARRAY_BUFFER_ARB, tess.vao->vertexesSize, NULL, GL_DYNAMIC_DRAW_ARB);
@ -666,12 +671,31 @@ void RB_UpdateTessVao(unsigned int attribBits)
for (attribIndex = 0; attribIndex < ATTR_INDEX_COUNT; attribIndex++)
{
if (attribBits & (1 << attribIndex))
uint32_t attribBit = 1 << attribIndex;
if (attribBits & attribBit)
{
vaoAttrib_t *vAtb = &tess.vao->attribs[attribIndex];
// note: tess has a VBO where stride == size
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, vAtb->offset, tess.numVertexes * vAtb->stride, tess.attribPointers[attribIndex]);
if (!glRefConfig.vertexArrayObject)
qglVertexAttribPointerARB(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset));
if (!(glState.vertexAttribsEnabled & attribBit))
{
qglEnableVertexAttribArrayARB(attribIndex);
glState.vertexAttribsEnabled |= attribBit;
}
}
else
{
if ((glState.vertexAttribsEnabled & attribBit))
{
qglDisableVertexAttribArrayARB(attribIndex);
glState.vertexAttribsEnabled &= ~attribBit;
}
}
}