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#include "draw/draw_context.h"
#include "pipe/p_state.h"
#include "pipe/p_defines.h"
#include "pipe/p_shader_tokens.h"
#include "pipe/p_inlines.h"
#include "tgsi/tgsi_parse.h"
#include "nv04_context.h"
#include "nv04_state.h"
static void *
nv04_blend_state_create(struct pipe_context *pipe,
const struct pipe_blend_state *cso)
{
struct nv04_blend_state *cb;
cb = MALLOC(sizeof(struct nv04_blend_state));
cb->b_enable = cso->blend_enable ? 1 : 0;
cb->b_src = ((nvgl_blend_func(cso->alpha_src_factor)<<16) |
(nvgl_blend_func(cso->rgb_src_factor)));
cb->b_dst = ((nvgl_blend_func(cso->alpha_dst_factor)<<16) |
(nvgl_blend_func(cso->rgb_dst_factor)));
return (void *)cb;
}
static void
nv04_blend_state_bind(struct pipe_context *pipe, void *blend)
{
struct nv04_context *nv04 = nv04_context(pipe);
nv04->blend = (struct nv04_blend_state*)blend;
nv04->dirty |= NV04_NEW_BLEND;
}
static void
nv04_blend_state_delete(struct pipe_context *pipe, void *hwcso)
{
free(hwcso);
}
static INLINE unsigned
wrap_mode(unsigned wrap) {
unsigned ret;
switch (wrap) {
case PIPE_TEX_WRAP_REPEAT:
ret = NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSU_REPEAT;
break;
case PIPE_TEX_WRAP_MIRROR_REPEAT:
ret = NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSU_MIRRORED_REPEAT;
break;
case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
ret = NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSU_CLAMP_TO_EDGE;
break;
case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
ret = NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSU_CLAMP_TO_BORDER;
break;
case PIPE_TEX_WRAP_CLAMP:
ret = NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSU_CLAMP;
break;
case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
case PIPE_TEX_WRAP_MIRROR_CLAMP:
default:
NOUVEAU_ERR("unknown wrap mode: %d\n", wrap);
ret = NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSU_CLAMP;
}
return ret >> NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSU_SHIFT;
}
static void *
nv04_sampler_state_create(struct pipe_context *pipe,
const struct pipe_sampler_state *cso)
{
struct nv04_sampler_state *ss;
uint32_t filter = 0;
ss = MALLOC(sizeof(struct nv04_sampler_state));
ss->format = ((wrap_mode(cso->wrap_s) << NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSU_SHIFT) |
(wrap_mode(cso->wrap_t) << NV04_TEXTURED_TRIANGLE_FORMAT_ADDRESSV_SHIFT));
if (cso->max_anisotropy > 1.0) {
filter |= NV04_TEXTURED_TRIANGLE_FILTER_ANISOTROPIC_MINIFY_ENABLE | NV04_TEXTURED_TRIANGLE_FILTER_ANISOTROPIC_MAGNIFY_ENABLE;
}
switch (cso->mag_img_filter) {
case PIPE_TEX_FILTER_LINEAR:
filter |= NV04_TEXTURED_TRIANGLE_FILTER_MAGNIFY_LINEAR;
break;
case PIPE_TEX_FILTER_NEAREST:
default:
filter |= NV04_TEXTURED_TRIANGLE_FILTER_MAGNIFY_NEAREST;
break;
}
switch (cso->min_img_filter) {
case PIPE_TEX_FILTER_LINEAR:
switch (cso->min_mip_filter) {
case PIPE_TEX_MIPFILTER_NEAREST:
filter |= NV04_TEXTURED_TRIANGLE_FILTER_MINIFY_LINEAR_MIPMAP_NEAREST;
break;
case PIPE_TEX_MIPFILTER_LINEAR:
filter |= NV04_TEXTURED_TRIANGLE_FILTER_MINIFY_LINEAR_MIPMAP_LINEAR;
break;
case PIPE_TEX_MIPFILTER_NONE:
default:
filter |= NV04_TEXTURED_TRIANGLE_FILTER_MINIFY_LINEAR;
break;
}
break;
case PIPE_TEX_FILTER_NEAREST:
default:
switch (cso->min_mip_filter) {
case PIPE_TEX_MIPFILTER_NEAREST:
filter |= NV04_TEXTURED_TRIANGLE_FILTER_MINIFY_NEAREST_MIPMAP_NEAREST;
break;
case PIPE_TEX_MIPFILTER_LINEAR:
filter |= NV04_TEXTURED_TRIANGLE_FILTER_MINIFY_NEAREST_MIPMAP_LINEAR;
break;
case PIPE_TEX_MIPFILTER_NONE:
default:
filter |= NV04_TEXTURED_TRIANGLE_FILTER_MINIFY_NEAREST;
break;
}
break;
}
ss->filter = filter;
return (void *)ss;
}
static void
nv04_sampler_state_bind(struct pipe_context *pipe, unsigned nr, void **sampler)
{
struct nv04_context *nv04 = nv04_context(pipe);
unsigned unit;
for (unit = 0; unit < nr; unit++) {
nv04->sampler[unit] = sampler[unit];
nv04->dirty_samplers |= (1 << unit);
}
}
static void
nv04_sampler_state_delete(struct pipe_context *pipe, void *hwcso)
{
free(hwcso);
}
static void
nv04_set_sampler_texture(struct pipe_context *pipe, unsigned nr,
struct pipe_texture **miptree)
{
struct nv04_context *nv04 = nv04_context(pipe);
unsigned unit;
for (unit = 0; unit < nr; unit++) {
nv04->tex_miptree[unit] = (struct nv04_miptree *)miptree[unit];
nv04->dirty_samplers |= (1 << unit);
}
}
static void *
nv04_rasterizer_state_create(struct pipe_context *pipe,
const struct pipe_rasterizer_state *cso)
{
struct nv04_rasterizer_state *rs;
/*XXX: ignored:
* scissor
* points/lines (no hw support, emulated with tris in gallium)
*/
rs = MALLOC(sizeof(struct nv04_rasterizer_state));
rs->blend = cso->flatshade ? NV04_TEXTURED_TRIANGLE_BLEND_SHADE_MODE_FLAT : NV04_TEXTURED_TRIANGLE_BLEND_SHADE_MODE_GOURAUD;
return (void *)rs;
}
static void
nv04_rasterizer_state_bind(struct pipe_context *pipe, void *rast)
{
struct nv04_context *nv04 = nv04_context(pipe);
nv04->rast = (struct nv04_rasterizer_state*)rast;
draw_set_rasterizer_state(nv04->draw, (nv04->rast ? nv04->rast->templ : NULL));
nv04->dirty |= NV04_NEW_RAST | NV04_NEW_BLEND;
}
static void
nv04_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
{
free(hwcso);
}
static INLINE uint32_t nv04_compare_func(uint32_t f)
{
switch ( f ) {
case PIPE_FUNC_NEVER: return 1;
case PIPE_FUNC_LESS: return 2;
case PIPE_FUNC_EQUAL: return 3;
case PIPE_FUNC_LEQUAL: return 4;
case PIPE_FUNC_GREATER: return 5;
case PIPE_FUNC_NOTEQUAL: return 6;
case PIPE_FUNC_GEQUAL: return 7;
case PIPE_FUNC_ALWAYS: return 8;
}
NOUVEAU_MSG("Unable to find the function\n");
return 0;
}
static void *
nv04_depth_stencil_alpha_state_create(struct pipe_context *pipe,
const struct pipe_depth_stencil_alpha_state *cso)
{
struct nv04_depth_stencil_alpha_state *hw;
hw = MALLOC(sizeof(struct nv04_depth_stencil_alpha_state));
hw->control = float_to_ubyte(cso->alpha.ref_value);
hw->control |= ( nv04_compare_func(cso->alpha.func) << NV04_TEXTURED_TRIANGLE_CONTROL_ALPHA_FUNC_SHIFT );
hw->control |= cso->alpha.enabled ? NV04_TEXTURED_TRIANGLE_CONTROL_ALPHA_ENABLE : 0;
hw->control |= NV04_TEXTURED_TRIANGLE_CONTROL_ORIGIN;
hw->control |= cso->depth.enabled ? NV04_TEXTURED_TRIANGLE_CONTROL_Z_ENABLE : 0;
hw->control |= ( nv04_compare_func(cso->depth.func)<< NV04_TEXTURED_TRIANGLE_CONTROL_Z_FUNC_SHIFT );
hw->control |= 1 << NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_SHIFT; // no culling, handled by the draw module
hw->control |= NV04_TEXTURED_TRIANGLE_CONTROL_DITHER_ENABLE;
hw->control |= NV04_TEXTURED_TRIANGLE_CONTROL_Z_PERSPECTIVE_ENABLE;
hw->control |= cso->depth.writemask ? NV04_TEXTURED_TRIANGLE_CONTROL_Z_WRITE : 0;
hw->control |= 1 << NV04_TEXTURED_TRIANGLE_CONTROL_Z_FORMAT_SHIFT; // integer zbuffer format
return (void *)hw;
}
static void
nv04_depth_stencil_alpha_state_bind(struct pipe_context *pipe, void *hwcso)
{
struct nv04_context *nv04 = nv04_context(pipe);
nv04->dsa = hwcso;
nv04->dirty |= NV04_NEW_CONTROL;
}
static void
nv04_depth_stencil_alpha_state_delete(struct pipe_context *pipe, void *hwcso)
{
free(hwcso);
}
static void *
nv04_vp_state_create(struct pipe_context *pipe,
const struct pipe_shader_state *templ)
{
struct nv04_context *nv04 = nv04_context(pipe);
return draw_create_vertex_shader(nv04->draw, templ);
}
static void
nv04_vp_state_bind(struct pipe_context *pipe, void *shader)
{
struct nv04_context *nv04 = nv04_context(pipe);
draw_bind_vertex_shader(nv04->draw, (struct draw_vertex_shader *) shader);
nv04->dirty |= NV04_NEW_VERTPROG;
}
static void
nv04_vp_state_delete(struct pipe_context *pipe, void *shader)
{
struct nv04_context *nv04 = nv04_context(pipe);
draw_delete_vertex_shader(nv04->draw, (struct draw_vertex_shader *) shader);
}
static void *
nv04_fp_state_create(struct pipe_context *pipe,
const struct pipe_shader_state *cso)
{
struct nv04_fragment_program *fp;
fp = CALLOC(1, sizeof(struct nv04_fragment_program));
fp->pipe.tokens = tgsi_dup_tokens(cso->tokens);
return (void *)fp;
}
static void
nv04_fp_state_bind(struct pipe_context *pipe, void *hwcso)
{
struct nv04_context *nv04 = nv04_context(pipe);
struct nv04_fragment_program *fp = hwcso;
nv04->fragprog.current = fp;
nv04->dirty |= NV04_NEW_FRAGPROG;
}
static void
nv04_fp_state_delete(struct pipe_context *pipe, void *hwcso)
{
struct nv04_context *nv04 = nv04_context(pipe);
struct nv04_fragment_program *fp = hwcso;
nv04_fragprog_destroy(nv04, fp);
free((void*)fp->pipe.tokens);
free(fp);
}
static void
nv04_set_blend_color(struct pipe_context *pipe,
const struct pipe_blend_color *bcol)
{
}
static void
nv04_set_clip_state(struct pipe_context *pipe,
const struct pipe_clip_state *clip)
{
}
static void
nv04_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
const struct pipe_constant_buffer *buf )
{
struct nv04_context *nv04 = nv04_context(pipe);
struct pipe_screen *pscreen = pipe->screen;
assert(shader < PIPE_SHADER_TYPES);
assert(index == 0);
if (buf) {
void *mapped;
if (buf->buffer && buf->buffer->size &&
(mapped = pipe_buffer_map(pscreen, buf->buffer, PIPE_BUFFER_USAGE_CPU_READ)))
{
memcpy(nv04->constbuf[shader], mapped, buf->buffer->size);
nv04->constbuf_nr[shader] =
buf->buffer->size / (4 * sizeof(float));
pipe_buffer_unmap(pscreen, buf->buffer);
}
}
}
static void
nv04_set_framebuffer_state(struct pipe_context *pipe,
const struct pipe_framebuffer_state *fb)
{
struct nv04_context *nv04 = nv04_context(pipe);
nv04->framebuffer = (struct pipe_framebuffer_state*)fb;
nv04->dirty |= NV04_NEW_FRAMEBUFFER;
}
static void
nv04_set_polygon_stipple(struct pipe_context *pipe,
const struct pipe_poly_stipple *stipple)
{
NOUVEAU_ERR("line stipple hahaha\n");
}
static void
nv04_set_scissor_state(struct pipe_context *pipe,
const struct pipe_scissor_state *s)
{
/* struct nv04_context *nv04 = nv04_context(pipe);
// XXX
BEGIN_RING(fahrenheit, NV04_TEXTURED_TRIANGLE_SCISSOR_HORIZ, 2);
OUT_RING (((s->maxx - s->minx) << 16) | s->minx);
OUT_RING (((s->maxy - s->miny) << 16) | s->miny);*/
}
static void
nv04_set_viewport_state(struct pipe_context *pipe,
const struct pipe_viewport_state *viewport)
{
struct nv04_context *nv04 = nv04_context(pipe);
nv04->viewport = *viewport;
draw_set_viewport_state(nv04->draw, &nv04->viewport);
}
static void
nv04_set_vertex_buffers(struct pipe_context *pipe, unsigned count,
const struct pipe_vertex_buffer *buffers)
{
struct nv04_context *nv04 = nv04_context(pipe);
memcpy(nv04->vtxbuf, buffers, count * sizeof(buffers[0]));
nv04->dirty |= NV04_NEW_VTXARRAYS;
draw_set_vertex_buffers(nv04->draw, count, buffers);
}
static void
nv04_set_vertex_elements(struct pipe_context *pipe, unsigned count,
const struct pipe_vertex_element *elements)
{
struct nv04_context *nv04 = nv04_context(pipe);
memcpy(nv04->vtxelt, elements, sizeof(*elements) * count);
nv04->dirty |= NV04_NEW_VTXARRAYS;
draw_set_vertex_elements(nv04->draw, count, elements);
}
void
nv04_init_state_functions(struct nv04_context *nv04)
{
nv04->pipe.create_blend_state = nv04_blend_state_create;
nv04->pipe.bind_blend_state = nv04_blend_state_bind;
nv04->pipe.delete_blend_state = nv04_blend_state_delete;
nv04->pipe.create_sampler_state = nv04_sampler_state_create;
nv04->pipe.bind_fragment_sampler_states = nv04_sampler_state_bind;
nv04->pipe.delete_sampler_state = nv04_sampler_state_delete;
nv04->pipe.set_fragment_sampler_textures = nv04_set_sampler_texture;
nv04->pipe.create_rasterizer_state = nv04_rasterizer_state_create;
nv04->pipe.bind_rasterizer_state = nv04_rasterizer_state_bind;
nv04->pipe.delete_rasterizer_state = nv04_rasterizer_state_delete;
nv04->pipe.create_depth_stencil_alpha_state = nv04_depth_stencil_alpha_state_create;
nv04->pipe.bind_depth_stencil_alpha_state = nv04_depth_stencil_alpha_state_bind;
nv04->pipe.delete_depth_stencil_alpha_state = nv04_depth_stencil_alpha_state_delete;
nv04->pipe.create_vs_state = nv04_vp_state_create;
nv04->pipe.bind_vs_state = nv04_vp_state_bind;
nv04->pipe.delete_vs_state = nv04_vp_state_delete;
nv04->pipe.create_fs_state = nv04_fp_state_create;
nv04->pipe.bind_fs_state = nv04_fp_state_bind;
nv04->pipe.delete_fs_state = nv04_fp_state_delete;
nv04->pipe.set_blend_color = nv04_set_blend_color;
nv04->pipe.set_clip_state = nv04_set_clip_state;
nv04->pipe.set_constant_buffer = nv04_set_constant_buffer;
nv04->pipe.set_framebuffer_state = nv04_set_framebuffer_state;
nv04->pipe.set_polygon_stipple = nv04_set_polygon_stipple;
nv04->pipe.set_scissor_state = nv04_set_scissor_state;
nv04->pipe.set_viewport_state = nv04_set_viewport_state;
nv04->pipe.set_vertex_buffers = nv04_set_vertex_buffers;
nv04->pipe.set_vertex_elements = nv04_set_vertex_elements;
}
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