static void r300PrepareVertices(GLcontext *ctx)
{
r300ContextPtr rmesa = R300_CONTEXT(ctx);
GLuint InputsRead, OutputsWritten;
radeon_print(RADEON_SWRENDER, RADEON_TRACE, "%s\n", __func__);
r300ChooseSwtclVertexFormat(ctx, &InputsRead, &OutputsWritten);
r300SetupVAP(ctx, InputsRead, OutputsWritten);
rmesa->radeon.swtcl.vertex_size =
_tnl_install_attrs( ctx,
rmesa->radeon.swtcl.vertex_attrs,
rmesa->radeon.swtcl.vertex_attr_count,
NULL, 0 );
rmesa->radeon.swtcl.vertex_size /= 4;
}
static GLboolean r300TryDrawPrims(GLcontext *ctx,
const struct gl_client_array *arrays[],
const struct _mesa_prim *prim,
GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLuint min_index,
GLuint max_index )
{
struct r300_context *r300 = R300_CONTEXT(ctx);
GLuint i;
radeon_print(RADEON_RENDER, RADEON_NORMAL, "%s: %u (%d-%d) cs begin at %d\n",
__FUNCTION__, nr_prims, min_index, max_index, r300->radeon.cmdbuf.cs->cdw );
if (ctx->NewState)
_mesa_update_state( ctx );
if (r300->options.hw_tcl_enabled)
_tnl_UpdateFixedFunctionProgram(ctx);
r300UpdateShaders(r300);
r300SwitchFallback(ctx, R300_FALLBACK_INVALID_BUFFERS, !r300ValidateBuffers(ctx));
r300SetVertexFormat(ctx, arrays, max_index + 1);
if (r300->fallback)
return GL_FALSE;
r300SetupVAP(ctx, r300->selected_vp->code.InputsRead, r300->selected_vp->code.OutputsWritten);
r300UpdateShaderStates(r300);
/* ensure we have the cmd buf space in advance to cover
* the state + DMA AOS pointers */
GLuint emit_end = r300PredictTryDrawPrimsSize(ctx, nr_prims, prim)
+ r300->radeon.cmdbuf.cs->cdw;
r300SetupIndexBuffer(ctx, ib);
r300AllocDmaRegions(ctx, arrays, max_index + 1);
if (r300->fallback)
return GL_FALSE;
r300EmitCacheFlush(r300);
radeonEmitState(&r300->radeon);
for (i = 0; i < nr_prims; ++i) {
r300RunRenderPrimitive(ctx, prim[i].start, prim[i].start + prim[i].count, prim[i].mode);
}
r300EmitCacheFlush(r300);
r300FreeData(ctx);
radeon_print(RADEON_RENDER, RADEON_VERBOSE, "%s: %u (%d-%d) cs ending at %d\n",
__FUNCTION__, nr_prims, min_index, max_index, r300->radeon.cmdbuf.cs->cdw );
if (emit_end < r300->radeon.cmdbuf.cs->cdw)
WARN_ONCE("Rendering was %d commands larger than predicted size."
" We might overflow command buffer.\n", r300->radeon.cmdbuf.cs->cdw - emit_end);
return GL_TRUE;
}