/*
* Copyright 2012 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors: Ben Skeggs
*
*/
#include "util/u_inlines.h"
#include "nouveau/nouveau_gldefs.h"
#include "nouveau/nv_object.xml.h"
#include "nv30-40_3d.xml.h"
#include "nv30_context.h"
#include "nv30_winsys.h"
#define NV40_3D_MRT_BLEND_ENABLE 0x0000036c
static void *
nv30_blend_state_create(struct pipe_context *pipe,
const struct pipe_blend_state *cso)
{
struct nouveau_object *eng3d = nv30_context(pipe)->screen->eng3d;
struct nv30_blend_stateobj *so;
uint32_t blend[2], cmask[2];
int i;
so = CALLOC_STRUCT(nv30_blend_stateobj);
if (!so)
return NULL;
so->pipe = *cso;
if (cso->logicop_enable) {
SB_MTHD30(so, COLOR_LOGIC_OP_ENABLE, 2);
SB_DATA (so, 1);
SB_DATA (so, nvgl_logicop_func(cso->logicop_func));
} else {
SB_MTHD30(so, COLOR_LOGIC_OP_ENABLE, 1);
SB_DATA (so, 0);
}
SB_MTHD30(so, DITHER_ENABLE, 1);
SB_DATA (so, cso->dither);
blend[0] = cso->rt[0].blend_enable;
cmask[0] = !!(cso->rt[0].colormask & PIPE_MASK_A) << 24 |
!!(cso->rt[0].colormask & PIPE_MASK_R) << 16 |
!!(cso->rt[0].colormask & PIPE_MASK_G) << 8 |
!!(cso->rt[0].colormask & PIPE_MASK_B);
if (cso->independent_blend_enable) {
blend[1] = 0;
cmask[1] = 0;
for (i = 1; i < 4; i++) {
blend[1] |= cso->rt[i].blend_enable << i;
cmask[1] |= !!(cso->rt[i].colormask & PIPE_MASK_A) << (0 + (i * 4)) |
!!(cso->rt[i].colormask & PIPE_MASK_R) << (1 + (i * 4)) |
!!(cso->rt[i].colormask & PIPE_MASK_G) << (2 + (i * 4)) |
!!(cso->rt[i].colormask & PIPE_MASK_B) << (3 + (i * 4));
}
} else {
blend[1] = 0x0000000e * (blend[0] & 0x00000001);
cmask[1] = 0x00001110 * !!(cmask[0] & 0x01000000);
cmask[1] |= 0x00002220 * !!(cmask[0] & 0x00010000);
cmask[1] |= 0x00004440 * !!(cmask[0] & 0x00000100);
cmask[1] |= 0x00008880 * !!(cmask[0] & 0x00000001);
}
if (eng3d->oclass >= NV40_3D_CLASS) {
SB_MTHD40(so, MRT_BLEND_ENABLE, 2);
SB_DATA (so, blend[1]);
SB_DATA (so, cmask[1]);
}
if (blend[0] || blend[1]) {
SB_MTHD30(so, BLEND_FUNC_ENABLE, 3);
SB_DATA (so, blend[0]);
SB_DATA (so, (nvgl_blend_func(cso->rt[0].alpha_src_factor) << 16) |
nvgl_blend_func(cso->rt[0].rgb_src_factor));
SB_DATA (so, (nvgl_blend_func(cso->rt[0].alpha_dst_factor) << 16) |
nvgl_blend_func(cso->rt[0].rgb_dst_factor));
if (eng3d->oclass < NV40_3D_CLASS) {
SB_MTHD30(so, BLEND_EQUATION, 1);
SB_DATA (so, nvgl_blend_eqn(cso->rt[0].rgb_func));
} else {
SB_MTHD40(so, BLEND_EQUATION, 1);
SB_DATA (so, (nvgl_blend_eqn(cso->rt[0].alpha_func) << 16) |
nvgl_blend_eqn(cso->rt[0].rgb_func));
}
} else {
SB_MTHD30(so, BLEND_FUNC_ENABLE, 1);
SB_DATA (so, blend[0]);
}
SB_MTHD30(so, COLOR_MASK, 1);
SB_DATA (so, cmask[0]);
return so;
}
static void
nv30_blend_state_bind(struct pipe_context *pipe, void *hwcso)
{
struct nv30_context *nv30 = nv30_context(pipe);
nv30->blend = hwcso;
nv30->dirty |= NV30_NEW_BLEND;
}
static void
nv30_blend_state_delete(struct pipe_context *pipe, void *hwcso)
{
FREE(hwcso);
}
static void *
nv30_rasterizer_state_create(struct pipe_context *pipe,
const struct pipe_rasterizer_state *cso)
{
struct nv30_rasterizer_stateobj *so;
so = CALLOC_STRUCT(nv30_rasterizer_stateobj);
if (!so)
return NULL;
so->pipe = *cso;
SB_MTHD30(so, SHADE_MODEL, 1);
SB_DATA (so, cso->flatshade ? NV30_3D_SHADE_MODEL_FLAT :
NV30_3D_SHADE_MODEL_SMOOTH);
SB_MTHD30(so, POLYGON_MODE_FRONT, 6);
SB_DATA (so, nvgl_polygon_mode(cso->fill_front));
SB_DATA (so, nvgl_polygon_mode(cso->fill_back));
if (cso->cull_face == PIPE_FACE_FRONT_AND_BACK)
SB_DATA (so, NV30_3D_CULL_FACE_FRONT_AND_BACK);
else
if (cso->cull_face == PIPE_FACE_FRONT)
SB_DATA (so, NV30_3D_CULL_FACE_FRONT);
else
SB_DATA (so, NV30_3D_CULL_FACE_BACK);
SB_DATA (so, cso->front_ccw ? NV30_3D_FRONT_FACE_CCW :
NV30_3D_FRONT_FACE_CW);
SB_DATA (so, cso->poly_smooth);
SB_DATA (so, cso->cull_face != PIPE_FACE_NONE);
SB_MTHD30(so, POLYGON_OFFSET_POINT_ENABLE, 3);
SB_DATA (so, cso->offset_point);
SB_DATA (so, cso->offset_line);
SB_DATA (so, cso->offset_tri);
if (cso->offset_point || cso->offset_line || cso->offset_tri) {
SB_MTHD30(so, POLYGON_OFFSET_FACTOR, 2);
SB_DATA (so, fui(cso->offset_scale));
SB_DATA (so, fui(cso->offset_units * 2.0));
}
SB_MTHD30(so, LINE_WIDTH, 2);
SB_DATA (so, (unsigned char)(cso->line_width * 8.0) & 0xff);
SB_DATA (so, cso->line_smooth);
SB_MTHD30(so, LINE_STIPPLE_ENABLE, 2);
SB_DATA (so, cso->line_stipple_enable);
SB_DATA (so, (cso->line_stipple_pattern << 16) |
cso->line_stipple_factor);
SB_MTHD30(so, VERTEX_TWO_SIDE_ENABLE, 1);
SB_DATA (so, cso->light_twoside);
SB_MTHD30(so, POLYGON_STIPPLE_ENABLE, 1);
SB_DATA (so, cso->poly_stipple_enable);
SB_MTHD30(so, POINT_SIZE, 1);
SB_DATA (so, fui(cso->point_size));
SB_MTHD30(so, FLATSHADE_FIRST, 1);
SB_DATA (so, cso->flatshade_first);
SB_MTHD30(so, DEPTH_CONTROL, 1);
SB_DATA (so, cso->depth_clip ? 0x00000001 : 0x00000010);
return so;
}
static void
nv30_rasterizer_state_bind(struct pipe_context *pipe, void *hwcso)
{
struct nv30_context *nv30 = nv30_context(pipe);
nv30->rast = hwcso;
nv30->dirty |= NV30_NEW_RASTERIZER;
}
static void
nv30_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
{
FREE(hwcso);
}
static void *
nv30_zsa_state_create(struct pipe_context *pipe,
const struct pipe_depth_stencil_alpha_state *cso)
{
struct nv30_zsa_stateobj *so;
so = CALLOC_STRUCT(nv30_zsa_stateobj);
if (!so)
return NULL;
so->pipe = *cso;
SB_MTHD30(so, DEPTH_FUNC, 3);
SB_DATA (so, nvgl_comparison_op(cso->depth.func));
SB_DATA (so, cso->depth.writemask);
SB_DATA (so, cso->depth.enabled);
if (cso->stencil[0].enabled) {
SB_MTHD30(so, STENCIL_ENABLE(0), 3);
SB_DATA (so, 1);
SB_DATA (so, cso->stencil[0].writemask);
SB_DATA (so, nvgl_comparison_op(cso->stencil[0].func));
SB_MTHD30(so, STENCIL_FUNC_MASK(0), 4);
SB_DATA (so, cso->stencil[0].valuemask);
SB_DATA (so, nvgl_stencil_op(cso->stencil[0].fail_op));
SB_DATA (so, nvgl_stencil_op(cso->stencil[0].zfail_op));
SB_DATA (so, nvgl_stencil_op(cso->stencil[0].zpass_op));
} else {
SB_MTHD30(so, STENCIL_ENABLE(0), 2);
SB_DATA (so, 0);
SB_DATA (so, 0x000000ff);
}
if (cso->stencil[1].enabled) {
SB_MTHD30(so, STENCIL_ENABLE(1), 3);
SB_DATA (so, 1);
SB_DATA (so, cso->stencil[1].writemask);
SB_DATA (so, nvgl_comparison_op(cso->stencil[1].func));
SB_MTHD30(so, STENCIL_FUNC_MASK(1), 4);
SB_DATA (so, cso->stencil[1].valuemask);
SB_DATA (so, nvgl_stencil_op(cso->stencil[1].fail_op));
SB_DATA (so, nvgl_stencil_op(cso->stencil[1].zfail_op));
SB_DATA (so, nvgl_stencil_op(cso->stencil[1].zpass_op));
} else {
SB_MTHD30(so, STENCIL_ENABLE(1), 1);
SB_DATA (so, 0);
}
SB_MTHD30(so, ALPHA_FUNC_ENABLE, 3);
SB_DATA (so, cso->alpha.enabled ? 1 : 0);
SB_DATA (so, nvgl_comparison_op(cso->alpha.func));
SB_DATA (so, float_to_ubyte(cso->alpha.ref_value));
return so;
}
static void
nv30_zsa_state_bind(struct pipe_context *pipe, void *hwcso)
{
struct nv30_context *nv30 = nv30_context(pipe);
nv30->zsa = hwcso;
nv30->dirty |= NV30_NEW_ZSA;
}
static void
nv30_zsa_state_delete(struct pipe_context *pipe, void *hwcso)
{
FREE(hwcso);
}
static void
nv30_set_blend_color(struct pipe_context *pipe,
const struct pipe_blend_color *bcol)
{
struct nv30_context *nv30 = nv30_context(pipe);
nv30->blend_colour = *bcol;
nv30->dirty |= NV30_NEW_BLEND_COLOUR;
}
static void
nv30_set_stencil_ref(struct pipe_context *pipe,
const struct pipe_stencil_ref *sr)
{
struct nv30_context *nv30 = nv30_context(pipe);
nv30->stencil_ref = *sr;
nv30->dirty |= NV30_NEW_STENCIL_REF;
}
static void
nv30_set_clip_state(struct pipe_context *pipe,
const struct pipe_clip_state *clip)
{
struct nv30_context *nv30 = nv30_context(pipe);
memcpy(nv30->clip.ucp, clip->ucp, sizeof(clip->ucp));
nv30->dirty |= NV30_NEW_CLIP;
}
static void
nv30_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
{
struct nv30_context *nv30 = nv30_context(pipe);
nv30->sample_mask = sample_mask;
nv30->dirty |= NV30_NEW_SAMPLE_MASK;
}
static void
nv30_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
struct pipe_constant_buffer *cb)
{
struct nv30_context *nv30 = nv30_context(pipe);
struct pipe_resource *buf = cb ? cb->buffer : NULL;
unsigned size;
if (cb && cb->user_buffer) {
buf = nouveau_user_buffer_create(pipe->screen, cb->user_buffer,
cb->buffer_size,
PIPE_BIND_CONSTANT_BUFFER);
}
size = 0;
if (buf)
size = buf->width0 / (4 * sizeof(float));
if (shader == PIPE_SHADER_VERTEX) {
pipe_resource_reference(&nv30->vertprog.constbuf, buf);
nv30->vertprog.constbuf_nr = size;
nv30->dirty |= NV30_NEW_VERTCONST;
} else
if (shader == PIPE_SHADER_FRAGMENT) {
pipe_resource_reference(&nv30->fragprog.constbuf, buf);
nv30->fragprog.constbuf_nr = size;
nv30->dirty |= NV30_NEW_FRAGCONST;
}
if (cb && cb->user_buffer) {
pipe_resource_reference(&buf, NULL);
}
}
static void
nv30_set_framebuffer_state(struct pipe_context *pipe,
const struct pipe_framebuffer_state *fb)
{
struct nv30_context *nv30 = nv30_context(pipe);
nouveau_bufctx_reset(nv30->bufctx, BUFCTX_FB);
nv30->framebuffer = *fb;
nv30->dirty |= NV30_NEW_FRAMEBUFFER;
}
static void
nv30_set_polygon_stipple(struct pipe_context *pipe,
const struct pipe_poly_stipple *stipple)
{
struct nv30_context *nv30 = nv30_context(pipe);
nv30->stipple = *stipple;
nv30->dirty |= NV30_NEW_STIPPLE;
}
static void
nv30_set_scissor_state(struct pipe_context *pipe,
const struct pipe_scissor_state *scissor)
{
struct nv30_context *nv30 = nv30_context(pipe);
nv30->scissor = *scissor;
nv30->dirty |= NV30_NEW_SCISSOR;
}
static void
nv30_set_viewport_state(struct pipe_context *pipe,
const struct pipe_viewport_state *vpt)
{
struct nv30_context *nv30 = nv30_context(pipe);
nv30->viewport = *vpt;
nv30->dirty |= NV30_NEW_VIEWPORT;
}
static void
nv30_set_vertex_buffers(struct pipe_context *pipe,
unsigned count,
const struct pipe_vertex_buffer *vb)
{
struct nv30_context *nv30 = nv30_context(pipe);
unsigned i;
nouveau_bufctx_reset(nv30->bufctx, BUFCTX_VTXBUF);
for (i = 0; i < count; ++i)
pipe_resource_reference(&nv30->vtxbuf[i].buffer, vb[i].buffer);
for (; i < nv30->num_vtxbufs; ++i)
pipe_resource_reference(&nv30->vtxbuf[i].buffer, NULL);
memcpy(nv30->vtxbuf, vb, sizeof(*vb) * count);
nv30->num_vtxbufs = count;
nv30->dirty |= NV30_NEW_ARRAYS;
}
static void
nv30_set_index_buffer(struct pipe_context *pipe,
const struct pipe_index_buffer *ib)
{
struct nv30_context *nv30 = nv30_context(pipe);
if (ib) {
pipe_resource_reference(&nv30->idxbuf.buffer, ib->buffer);
nv30->idxbuf.index_size = ib->index_size;
nv30->idxbuf.offset = ib->offset;
nv30->idxbuf.user_buffer = ib->user_buffer;
} else {
pipe_resource_reference(&nv30->idxbuf.buffer, NULL);
nv30->idxbuf.user_buffer = NULL;
}
}
void
nv30_state_init(struct pipe_context *pipe)
{
pipe->create_blend_state = nv30_blend_state_create;
pipe->bind_blend_state = nv30_blend_state_bind;
pipe->delete_blend_state = nv30_blend_state_delete;
pipe->create_rasterizer_state = nv30_rasterizer_state_create;
pipe->bind_rasterizer_state = nv30_rasterizer_state_bind;
pipe->delete_rasterizer_state = nv30_rasterizer_state_delete;
pipe->create_depth_stencil_alpha_state = nv30_zsa_state_create;
pipe->bind_depth_stencil_alpha_state = nv30_zsa_state_bind;
pipe->delete_depth_stencil_alpha_state = nv30_zsa_state_delete;
pipe->set_blend_color = nv30_set_blend_color;
pipe->set_stencil_ref = nv30_set_stencil_ref;
pipe->set_clip_state = nv30_set_clip_state;
pipe->set_sample_mask = nv30_set_sample_mask;
pipe->set_constant_buffer = nv30_set_constant_buffer;
pipe->set_framebuffer_state = nv30_set_framebuffer_state;
pipe->set_polygon_stipple = nv30_set_polygon_stipple;
pipe->set_scissor_state = nv30_set_scissor_state;
pipe->set_viewport_state = nv30_set_viewport_state;
pipe->set_vertex_buffers = nv30_set_vertex_buffers;
pipe->set_index_buffer = nv30_set_index_buffer;
}