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OpenGL2: Require OpenGL 2.0.

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This commit is contained in:
SmileTheory 2016-07-24 21:29:13 -07:00
parent ebc7894777
commit 251c983681
12 changed files with 302 additions and 619 deletions
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68
code/renderergl2/tr_vbo.c
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@ -196,9 +196,9 @@ void Vao_SetVertexPointers(vao_t *vao)
if (vAtb->enabled)
{
qglVertexAttribPointerARB(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset));
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset));
if (glRefConfig.vertexArrayObject || !(glState.vertexAttribsEnabled & attribBit))
qglEnableVertexAttribArrayARB(attribIndex);
qglEnableVertexAttribArray(attribIndex);
if (!glRefConfig.vertexArrayObject || vao == tess.vao)
glState.vertexAttribsEnabled |= attribBit;
@ -208,7 +208,7 @@ void Vao_SetVertexPointers(vao_t *vao)
// 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);
qglDisableVertexAttribArray(attribIndex);
if (!glRefConfig.vertexArrayObject || vao == tess.vao)
glState.vertexAttribsEnabled &= ~attribBit;
@ -229,11 +229,11 @@ vao_t *R_CreateVao(const char *name, byte *vertexes, int vertexesSize, byte *ind
switch (usage)
{
case VAO_USAGE_STATIC:
glUsage = GL_STATIC_DRAW_ARB;
glUsage = GL_STATIC_DRAW;
break;
case VAO_USAGE_DYNAMIC:
glUsage = GL_DYNAMIC_DRAW_ARB;
glUsage = GL_DYNAMIC_DRAW;
break;
default:
@ -269,18 +269,18 @@ vao_t *R_CreateVao(const char *name, byte *vertexes, int vertexesSize, byte *ind
vao->vertexesSize = vertexesSize;
qglGenBuffersARB(1, &vao->vertexesVBO);
qglGenBuffers(1, &vao->vertexesVBO);
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, vao->vertexesVBO);
qglBufferDataARB(GL_ARRAY_BUFFER_ARB, vertexesSize, vertexes, glUsage);
qglBindBuffer(GL_ARRAY_BUFFER, vao->vertexesVBO);
qglBufferData(GL_ARRAY_BUFFER, vertexesSize, vertexes, glUsage);
vao->indexesSize = indexesSize;
qglGenBuffersARB(1, &vao->indexesIBO);
qglGenBuffers(1, &vao->indexesIBO);
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, vao->indexesIBO);
qglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, indexesSize, indexes, glUsage);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vao->indexesIBO);
qglBufferData(GL_ELEMENT_ARRAY_BUFFER, indexesSize, indexes, glUsage);
glState.currentVao = vao;
@ -304,7 +304,7 @@ vao_t *R_CreateVao2(const char *name, int numVertexes, srfVert_t *verts, int num
int dataSize;
int dataOfs;
int glUsage = GL_STATIC_DRAW_ARB;
int glUsage = GL_STATIC_DRAW;
if(!numVertexes || !numIndexes)
return NULL;
@ -422,19 +422,19 @@ vao_t *R_CreateVao2(const char *name, int numVertexes, srfVert_t *verts, int num
vao->vertexesSize = dataSize;
qglGenBuffersARB(1, &vao->vertexesVBO);
qglGenBuffers(1, &vao->vertexesVBO);
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, vao->vertexesVBO);
qglBufferDataARB(GL_ARRAY_BUFFER_ARB, vao->vertexesSize, data, glUsage);
qglBindBuffer(GL_ARRAY_BUFFER, vao->vertexesVBO);
qglBufferData(GL_ARRAY_BUFFER, vao->vertexesSize, data, glUsage);
// create IBO
vao->indexesSize = numIndexes * sizeof(glIndex_t);
qglGenBuffersARB(1, &vao->indexesIBO);
qglGenBuffers(1, &vao->indexesIBO);
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, vao->indexesIBO);
qglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, vao->indexesSize, indexes, glUsage);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vao->indexesIBO);
qglBufferData(GL_ELEMENT_ARRAY_BUFFER, vao->indexesSize, indexes, glUsage);
Vao_SetVertexPointers(vao);
@ -484,16 +484,16 @@ 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);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vao->indexesIBO);
// tess VAO always has buffers bound
if (vao == tess.vao)
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, vao->vertexesVBO);
qglBindBuffer(GL_ARRAY_BUFFER, vao->vertexesVBO);
}
else
{
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, vao->vertexesVBO);
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, vao->indexesIBO);
qglBindBuffer(GL_ARRAY_BUFFER, vao->vertexesVBO);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vao->indexesIBO);
// tess VAO doesn't have vertex pointers set until data is uploaded
if (vao != tess.vao)
@ -518,12 +518,12 @@ void R_BindNullVao(void)
qglBindVertexArrayARB(0);
// why you no save GL_ELEMENT_ARRAY_BUFFER binding, Intel?
if (1) qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
if (1) qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
else
{
qglBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
qglBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
qglBindBuffer(GL_ARRAY_BUFFER, 0);
qglBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
}
glState.currentVao = NULL;
}
@ -658,12 +658,12 @@ void R_ShutdownVaos(void)
if(vao->vertexesVBO)
{
qglDeleteBuffersARB(1, &vao->vertexesVBO);
qglDeleteBuffers(1, &vao->vertexesVBO);
}
if(vao->indexesIBO)
{
qglDeleteBuffersARB(1, &vao->indexesIBO);
qglDeleteBuffers(1, &vao->indexesIBO);
}
}
@ -737,7 +737,7 @@ void RB_UpdateTessVao(unsigned int attribBits)
R_BindVao(tess.vao);
// orphan old vertex buffer so we don't stall on it
qglBufferDataARB(GL_ARRAY_BUFFER_ARB, tess.vao->vertexesSize, NULL, GL_DYNAMIC_DRAW_ARB);
qglBufferData(GL_ARRAY_BUFFER, tess.vao->vertexesSize, NULL, GL_DYNAMIC_DRAW);
// if nothing to set, set everything
if(!(attribBits & ATTR_BITS))
@ -761,17 +761,17 @@ void RB_UpdateTessVao(unsigned int attribBits)
if (attribUpload & attribBit)
{
// note: tess has a VBO where stride == size
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, vAtb->offset, tess.numVertexes * vAtb->stride, tess.attribPointers[attribIndex]);
qglBufferSubData(GL_ARRAY_BUFFER, vAtb->offset, tess.numVertexes * vAtb->stride, tess.attribPointers[attribIndex]);
}
if (attribBits & attribBit)
{
if (!glRefConfig.vertexArrayObject)
qglVertexAttribPointerARB(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset));
qglVertexAttribPointer(attribIndex, vAtb->count, vAtb->type, vAtb->normalized, vAtb->stride, BUFFER_OFFSET(vAtb->offset));
if (!(glState.vertexAttribsEnabled & attribBit))
{
qglEnableVertexAttribArrayARB(attribIndex);
qglEnableVertexAttribArray(attribIndex);
glState.vertexAttribsEnabled |= attribBit;
}
}
@ -779,15 +779,15 @@ void RB_UpdateTessVao(unsigned int attribBits)
{
if ((glState.vertexAttribsEnabled & attribBit))
{
qglDisableVertexAttribArrayARB(attribIndex);
qglDisableVertexAttribArray(attribIndex);
glState.vertexAttribsEnabled &= ~attribBit;
}
}
}
// orphan old index buffer so we don't stall on it
qglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, tess.vao->indexesSize, NULL, GL_DYNAMIC_DRAW_ARB);
qglBufferData(GL_ELEMENT_ARRAY_BUFFER, tess.vao->indexesSize, NULL, GL_DYNAMIC_DRAW);
qglBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, tess.numIndexes * sizeof(tess.indexes[0]), tess.indexes);
qglBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, tess.numIndexes * sizeof(tess.indexes[0]), tess.indexes);
}
}