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Couple of fixes

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4352 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2013-05-10 15:20:47 +00:00
parent 675c34777c
commit 2c084c6042
1 changed files with 41 additions and 23 deletions
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64
engine/gl/gl_backend.c
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@ -197,11 +197,6 @@ struct {
batch_t *wbatches;
} shaderstate;
static struct {
int numlights;
int shadowsurfcount;
} bench;
static void BE_PolyOffset(qboolean pushdepth)
{
polyoffset_t po;
@ -3684,7 +3679,6 @@ static void DrawMeshes(void)
static qboolean BE_GenTempMeshVBO(vbo_t **vbo, mesh_t *m)
{
int i;
*vbo = &shaderstate.dummyvbo;
//this code is shit shit shit.
@ -3692,7 +3686,7 @@ static qboolean BE_GenTempMeshVBO(vbo_t **vbo, mesh_t *m)
{
//use a local. can't use a static, that crashes the compiler due to memory use, so lets eat the malloc or stack or whatever because we really don't have a choice.
static char *buffer;
int len = 0;
size_t len = 0;
if (!buffer)
buffer = malloc(65536 * 33 * sizeof(float));
@ -3861,8 +3855,6 @@ void GLBE_DrawMesh_Single(shader_t *shader, mesh_t *mesh, vbo_t *vbo, texnums_t
void GLBE_SubmitBatch(batch_t *batch)
{
int lm;
shaderstate.curbatch = batch;
if (batch->vbo)
{
@ -3874,8 +3866,6 @@ void GLBE_SubmitBatch(batch_t *batch)
//we're only allowed one mesh per batch if there's no vbo info.
if (!BE_GenTempMeshVBO(&shaderstate.sourcevbo, batch->mesh[0]))
return;
lm = -1;
}
shaderstate.curshader = batch->shader;
@ -4617,16 +4607,31 @@ void GLBE_VBO_Begin(vbobctx_t *ctx, unsigned int maxsize)
{
ctx->maxsize = maxsize;
ctx->pos = 0;
qglGenBuffersARB(2, ctx->vboid);
GL_SelectVBO(ctx->vboid[0]);
//WARNING: in emscripten/webgl, we should probably not pass null.
qglBufferDataARB(GL_ARRAY_BUFFER_ARB, ctx->maxsize, NULL, GL_STATIC_DRAW_ARB);
ctx->fallback = NULL;
if (qglBufferDataARB)
{
qglGenBuffersARB(2, ctx->vboid);
GL_SelectVBO(ctx->vboid[0]);
//WARNING: in emscripten/webgl, we should probably not pass null.
qglBufferDataARB(GL_ARRAY_BUFFER_ARB, ctx->maxsize, NULL, GL_STATIC_DRAW_ARB);
}
else
ctx->fallback = BZ_Malloc(maxsize);
}
void GLBE_VBO_Data(vbobctx_t *ctx, void *data, unsigned int size, vboarray_t *varray)
{
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, ctx->pos, size, data);
varray->gl.vbo = ctx->vboid[0];
varray->gl.addr = (void*)ctx->pos;
if (ctx->fallback)
{
memcpy(ctx->fallback + ctx->pos, data, size);
varray->gl.vbo = 0;
varray->gl.addr = ctx->fallback + ctx->pos;
}
else
{
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, ctx->pos, size, data);
varray->gl.vbo = ctx->vboid[0];
varray->gl.addr = (void*)ctx->pos;
}
ctx->pos += size;
}
@ -4634,13 +4639,26 @@ void GLBE_VBO_Finish(vbobctx_t *ctx, void *edata, unsigned int esize, vboarray_t
{
if (ctx->pos > ctx->maxsize)
Sys_Error("BE_VBO_Finish: too much data given\n");
GL_SelectEBO(ctx->vboid[1]);
qglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, esize, edata, GL_STATIC_DRAW_ARB);
earray->gl.vbo = ctx->vboid[1];
earray->gl.addr = NULL;
if (ctx->fallback)
{
void *d = BZ_Malloc(esize);
memcpy(d, edata, esize);
earray->gl.vbo = 0;
earray->gl.addr = d;
}
else
{
GL_SelectEBO(ctx->vboid[1]);
qglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, esize, edata, GL_STATIC_DRAW_ARB);
earray->gl.vbo = ctx->vboid[1];
earray->gl.addr = NULL;
}
}
void GLBE_VBO_Destroy(vboarray_t *vearray)
{
qglDeleteBuffersARB(1, &vearray->gl.vbo);
if (vearray->gl.vbo)
qglDeleteBuffersARB(1, &vearray->gl.vbo);
else
BZ_Free(vearray->gl.addr);
}
#endif