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path: root/src/gallium/drivers/nv20/nv20_state.c
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Diffstat (limited to 'src/gallium/drivers/nv20/nv20_state.c')
-rw-r--r--src/gallium/drivers/nv20/nv20_state.c581
1 files changed, 581 insertions, 0 deletions
diff --git a/src/gallium/drivers/nv20/nv20_state.c b/src/gallium/drivers/nv20/nv20_state.c
new file mode 100644
index 00000000000..21bde5b81f9
--- /dev/null
+++ b/src/gallium/drivers/nv20/nv20_state.c
@@ -0,0 +1,581 @@
+#include "draw/draw_context.h"
+#include "pipe/p_state.h"
+#include "pipe/p_defines.h"
+#include "pipe/p_shader_tokens.h"
+
+#include "tgsi/tgsi_parse.h"
+
+#include "nv20_context.h"
+#include "nv20_state.h"
+
+static void *
+nv20_blend_state_create(struct pipe_context *pipe,
+ const struct pipe_blend_state *cso)
+{
+ struct nv20_blend_state *cb;
+
+ cb = MALLOC(sizeof(struct nv20_blend_state));
+
+ cb->b_enable = cso->blend_enable ? 1 : 0;
+ cb->b_srcfunc = ((nvgl_blend_func(cso->alpha_src_factor)<<16) |
+ (nvgl_blend_func(cso->rgb_src_factor)));
+ cb->b_dstfunc = ((nvgl_blend_func(cso->alpha_dst_factor)<<16) |
+ (nvgl_blend_func(cso->rgb_dst_factor)));
+
+ cb->c_mask = (((cso->colormask & PIPE_MASK_A) ? (0x01<<24) : 0) |
+ ((cso->colormask & PIPE_MASK_R) ? (0x01<<16) : 0) |
+ ((cso->colormask & PIPE_MASK_G) ? (0x01<< 8) : 0) |
+ ((cso->colormask & PIPE_MASK_B) ? (0x01<< 0) : 0));
+
+ cb->d_enable = cso->dither ? 1 : 0;
+
+ return (void *)cb;
+}
+
+static void
+nv20_blend_state_bind(struct pipe_context *pipe, void *blend)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+
+ nv20->blend = (struct nv20_blend_state*)blend;
+
+ nv20->dirty |= NV20_NEW_BLEND;
+}
+
+static void
+nv20_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 = NV20TCL_TX_WRAP_S_REPEAT;
+ break;
+ case PIPE_TEX_WRAP_MIRROR_REPEAT:
+ ret = NV20TCL_TX_WRAP_S_MIRRORED_REPEAT;
+ break;
+ case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
+ ret = NV20TCL_TX_WRAP_S_CLAMP_TO_EDGE;
+ break;
+ case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
+ ret = NV20TCL_TX_WRAP_S_CLAMP_TO_BORDER;
+ break;
+ case PIPE_TEX_WRAP_CLAMP:
+ ret = NV20TCL_TX_WRAP_S_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 = NV20TCL_TX_WRAP_S_REPEAT;
+ break;
+ }
+
+ return (ret >> NV20TCL_TX_WRAP_S_SHIFT);
+}
+
+static void *
+nv20_sampler_state_create(struct pipe_context *pipe,
+ const struct pipe_sampler_state *cso)
+{
+ struct nv20_sampler_state *ps;
+ uint32_t filter = 0;
+
+ ps = MALLOC(sizeof(struct nv20_sampler_state));
+
+ ps->wrap = ((wrap_mode(cso->wrap_s) << NV20TCL_TX_WRAP_S_SHIFT) |
+ (wrap_mode(cso->wrap_t) << NV20TCL_TX_WRAP_T_SHIFT));
+
+ ps->en = 0;
+ if (cso->max_anisotropy > 1.0) {
+ /* no idea, binary driver sets it, works without it.. meh.. */
+ ps->wrap |= (1 << 5);
+
+/* if (cso->max_anisotropy >= 8.0) {
+ ps->en |= NV20TCL_TX_ENABLE_ANISO_8X;
+ } else
+ if (cso->max_anisotropy >= 4.0) {
+ ps->en |= NV20TCL_TX_ENABLE_ANISO_4X;
+ } else {
+ ps->en |= NV20TCL_TX_ENABLE_ANISO_2X;
+ }*/
+ }
+
+ switch (cso->mag_img_filter) {
+ case PIPE_TEX_FILTER_LINEAR:
+ filter |= NV20TCL_TX_FILTER_MAGNIFY_LINEAR;
+ break;
+ case PIPE_TEX_FILTER_NEAREST:
+ default:
+ filter |= NV20TCL_TX_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 |=
+ NV20TCL_TX_FILTER_MINIFY_LINEAR_MIPMAP_NEAREST;
+ break;
+ case PIPE_TEX_MIPFILTER_LINEAR:
+ filter |= NV20TCL_TX_FILTER_MINIFY_LINEAR_MIPMAP_LINEAR;
+ break;
+ case PIPE_TEX_MIPFILTER_NONE:
+ default:
+ filter |= NV20TCL_TX_FILTER_MINIFY_LINEAR;
+ break;
+ }
+ break;
+ case PIPE_TEX_FILTER_NEAREST:
+ default:
+ switch (cso->min_mip_filter) {
+ case PIPE_TEX_MIPFILTER_NEAREST:
+ filter |=
+ NV20TCL_TX_FILTER_MINIFY_NEAREST_MIPMAP_NEAREST;
+ break;
+ case PIPE_TEX_MIPFILTER_LINEAR:
+ filter |=
+ NV20TCL_TX_FILTER_MINIFY_NEAREST_MIPMAP_LINEAR;
+ break;
+ case PIPE_TEX_MIPFILTER_NONE:
+ default:
+ filter |= NV20TCL_TX_FILTER_MINIFY_NEAREST;
+ break;
+ }
+ break;
+ }
+
+ ps->filt = filter;
+
+/* if (cso->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
+ switch (cso->compare_func) {
+ case PIPE_FUNC_NEVER:
+ ps->wrap |= NV10TCL_TX_WRAP_RCOMP_NEVER;
+ break;
+ case PIPE_FUNC_GREATER:
+ ps->wrap |= NV10TCL_TX_WRAP_RCOMP_GREATER;
+ break;
+ case PIPE_FUNC_EQUAL:
+ ps->wrap |= NV10TCL_TX_WRAP_RCOMP_EQUAL;
+ break;
+ case PIPE_FUNC_GEQUAL:
+ ps->wrap |= NV10TCL_TX_WRAP_RCOMP_GEQUAL;
+ break;
+ case PIPE_FUNC_LESS:
+ ps->wrap |= NV10TCL_TX_WRAP_RCOMP_LESS;
+ break;
+ case PIPE_FUNC_NOTEQUAL:
+ ps->wrap |= NV10TCL_TX_WRAP_RCOMP_NOTEQUAL;
+ break;
+ case PIPE_FUNC_LEQUAL:
+ ps->wrap |= NV10TCL_TX_WRAP_RCOMP_LEQUAL;
+ break;
+ case PIPE_FUNC_ALWAYS:
+ ps->wrap |= NV10TCL_TX_WRAP_RCOMP_ALWAYS;
+ break;
+ default:
+ break;
+ }
+ }*/
+
+ ps->bcol = ((float_to_ubyte(cso->border_color[3]) << 24) |
+ (float_to_ubyte(cso->border_color[0]) << 16) |
+ (float_to_ubyte(cso->border_color[1]) << 8) |
+ (float_to_ubyte(cso->border_color[2]) << 0));
+
+ return (void *)ps;
+}
+
+static void
+nv20_sampler_state_bind(struct pipe_context *pipe, unsigned nr, void **sampler)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+ unsigned unit;
+
+ for (unit = 0; unit < nr; unit++) {
+ nv20->tex_sampler[unit] = sampler[unit];
+ nv20->dirty_samplers |= (1 << unit);
+ }
+}
+
+static void
+nv20_sampler_state_delete(struct pipe_context *pipe, void *hwcso)
+{
+ FREE(hwcso);
+}
+
+static void
+nv20_set_sampler_texture(struct pipe_context *pipe, unsigned nr,
+ struct pipe_texture **miptree)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+ unsigned unit;
+
+ for (unit = 0; unit < nr; unit++) {
+ nv20->tex_miptree[unit] = (struct nv20_miptree *)miptree[unit];
+ nv20->dirty_samplers |= (1 << unit);
+ }
+}
+
+static void *
+nv20_rasterizer_state_create(struct pipe_context *pipe,
+ const struct pipe_rasterizer_state *cso)
+{
+ struct nv20_rasterizer_state *rs;
+ int i;
+
+ /*XXX: ignored:
+ * light_twoside
+ * offset_cw/ccw -nohw
+ * scissor
+ * point_smooth -nohw
+ * multisample
+ * offset_units / offset_scale
+ */
+ rs = MALLOC(sizeof(struct nv20_rasterizer_state));
+
+ rs->templ = cso;
+
+ rs->shade_model = cso->flatshade ? NV20TCL_SHADE_MODEL_FLAT :
+ NV20TCL_SHADE_MODEL_SMOOTH;
+
+ rs->line_width = (unsigned char)(cso->line_width * 8.0) & 0xff;
+ rs->line_smooth_en = cso->line_smooth ? 1 : 0;
+
+ /* XXX: nv20 and nv25 different! */
+ rs->point_size = *(uint32_t*)&cso->point_size;
+
+ rs->poly_smooth_en = cso->poly_smooth ? 1 : 0;
+
+ if (cso->front_winding == PIPE_WINDING_CCW) {
+ rs->front_face = NV20TCL_FRONT_FACE_CCW;
+ rs->poly_mode_front = nvgl_polygon_mode(cso->fill_ccw);
+ rs->poly_mode_back = nvgl_polygon_mode(cso->fill_cw);
+ } else {
+ rs->front_face = NV20TCL_FRONT_FACE_CW;
+ rs->poly_mode_front = nvgl_polygon_mode(cso->fill_cw);
+ rs->poly_mode_back = nvgl_polygon_mode(cso->fill_ccw);
+ }
+
+ switch (cso->cull_mode) {
+ case PIPE_WINDING_CCW:
+ rs->cull_face_en = 1;
+ if (cso->front_winding == PIPE_WINDING_CCW)
+ rs->cull_face = NV20TCL_CULL_FACE_FRONT;
+ else
+ rs->cull_face = NV20TCL_CULL_FACE_BACK;
+ break;
+ case PIPE_WINDING_CW:
+ rs->cull_face_en = 1;
+ if (cso->front_winding == PIPE_WINDING_CW)
+ rs->cull_face = NV20TCL_CULL_FACE_FRONT;
+ else
+ rs->cull_face = NV20TCL_CULL_FACE_BACK;
+ break;
+ case PIPE_WINDING_BOTH:
+ rs->cull_face_en = 1;
+ rs->cull_face = NV20TCL_CULL_FACE_FRONT_AND_BACK;
+ break;
+ case PIPE_WINDING_NONE:
+ default:
+ rs->cull_face_en = 0;
+ rs->cull_face = 0;
+ break;
+ }
+
+ if (cso->point_sprite) {
+ rs->point_sprite = (1 << 0);
+ for (i = 0; i < 8; i++) {
+ if (cso->sprite_coord_mode[i] != PIPE_SPRITE_COORD_NONE)
+ rs->point_sprite |= (1 << (8 + i));
+ }
+ } else {
+ rs->point_sprite = 0;
+ }
+
+ return (void *)rs;
+}
+
+static void
+nv20_rasterizer_state_bind(struct pipe_context *pipe, void *rast)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+
+ nv20->rast = (struct nv20_rasterizer_state*)rast;
+
+ draw_set_rasterizer_state(nv20->draw, (nv20->rast ? nv20->rast->templ : NULL));
+
+ nv20->dirty |= NV20_NEW_RAST;
+}
+
+static void
+nv20_rasterizer_state_delete(struct pipe_context *pipe, void *hwcso)
+{
+ FREE(hwcso);
+}
+
+static void *
+nv20_depth_stencil_alpha_state_create(struct pipe_context *pipe,
+ const struct pipe_depth_stencil_alpha_state *cso)
+{
+ struct nv20_depth_stencil_alpha_state *hw;
+
+ hw = MALLOC(sizeof(struct nv20_depth_stencil_alpha_state));
+
+ hw->depth.func = nvgl_comparison_op(cso->depth.func);
+ hw->depth.write_enable = cso->depth.writemask ? 1 : 0;
+ hw->depth.test_enable = cso->depth.enabled ? 1 : 0;
+
+ hw->stencil.enable = cso->stencil[0].enabled ? 1 : 0;
+ hw->stencil.wmask = cso->stencil[0].write_mask;
+ hw->stencil.func = nvgl_comparison_op(cso->stencil[0].func);
+ hw->stencil.ref = cso->stencil[0].ref_value;
+ hw->stencil.vmask = cso->stencil[0].value_mask;
+ hw->stencil.fail = nvgl_stencil_op(cso->stencil[0].fail_op);
+ hw->stencil.zfail = nvgl_stencil_op(cso->stencil[0].zfail_op);
+ hw->stencil.zpass = nvgl_stencil_op(cso->stencil[0].zpass_op);
+
+ hw->alpha.enabled = cso->alpha.enabled ? 1 : 0;
+ hw->alpha.func = nvgl_comparison_op(cso->alpha.func);
+ hw->alpha.ref = float_to_ubyte(cso->alpha.ref);
+
+ return (void *)hw;
+}
+
+static void
+nv20_depth_stencil_alpha_state_bind(struct pipe_context *pipe, void *dsa)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+
+ nv20->dsa = (struct nv20_depth_stencil_alpha_state*)dsa;
+
+ nv20->dirty |= NV20_NEW_DSA;
+}
+
+static void
+nv20_depth_stencil_alpha_state_delete(struct pipe_context *pipe, void *hwcso)
+{
+ FREE(hwcso);
+}
+
+static void *
+nv20_vp_state_create(struct pipe_context *pipe,
+ const struct pipe_shader_state *templ)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+
+ return draw_create_vertex_shader(nv20->draw, templ);
+}
+
+static void
+nv20_vp_state_bind(struct pipe_context *pipe, void *shader)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+
+ draw_bind_vertex_shader(nv20->draw, (struct draw_vertex_shader *) shader);
+
+ nv20->dirty |= NV20_NEW_VERTPROG;
+}
+
+static void
+nv20_vp_state_delete(struct pipe_context *pipe, void *shader)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+
+ draw_delete_vertex_shader(nv20->draw, (struct draw_vertex_shader *) shader);
+}
+
+static void *
+nv20_fp_state_create(struct pipe_context *pipe,
+ const struct pipe_shader_state *cso)
+{
+ struct nv20_fragment_program *fp;
+
+ fp = CALLOC(1, sizeof(struct nv20_fragment_program));
+ fp->pipe.tokens = tgsi_dup_tokens(cso->tokens);
+
+ tgsi_scan_shader(cso->tokens, &fp->info);
+
+ return (void *)fp;
+}
+
+static void
+nv20_fp_state_bind(struct pipe_context *pipe, void *hwcso)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+ struct nv20_fragment_program *fp = hwcso;
+
+ nv20->fragprog.current = fp;
+ nv20->dirty |= NV20_NEW_FRAGPROG;
+}
+
+static void
+nv20_fp_state_delete(struct pipe_context *pipe, void *hwcso)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+ struct nv20_fragment_program *fp = hwcso;
+
+ nv20_fragprog_destroy(nv20, fp);
+ FREE((void*)fp->pipe.tokens);
+ FREE(fp);
+}
+
+static void
+nv20_set_blend_color(struct pipe_context *pipe,
+ const struct pipe_blend_color *bcol)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+
+ nv20->blend_color = (struct pipe_blend_color*)bcol;
+
+ nv20->dirty |= NV20_NEW_BLENDCOL;
+}
+
+static void
+nv20_set_clip_state(struct pipe_context *pipe,
+ const struct pipe_clip_state *clip)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+
+ draw_set_clip_state(nv20->draw, clip);
+}
+
+static void
+nv20_set_constant_buffer(struct pipe_context *pipe, uint shader, uint index,
+ const struct pipe_constant_buffer *buf )
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+ struct pipe_winsys *ws = pipe->winsys;
+
+ assert(shader < PIPE_SHADER_TYPES);
+ assert(index == 0);
+
+ if (buf) {
+ void *mapped;
+ if (buf->size && (mapped = ws->buffer_map(ws, buf->buffer, PIPE_BUFFER_USAGE_CPU_READ)))
+ {
+ memcpy(nv20->constbuf[shader], mapped, buf->size);
+ nv20->constbuf_nr[shader] =
+ buf->size / (4 * sizeof(float));
+ ws->buffer_unmap(ws, buf->buffer);
+ }
+ }
+}
+
+static void
+nv20_set_framebuffer_state(struct pipe_context *pipe,
+ const struct pipe_framebuffer_state *fb)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+
+ nv20->framebuffer = (struct pipe_framebuffer_state*)fb;
+
+ nv20->dirty |= NV20_NEW_FRAMEBUFFER;
+}
+
+static void
+nv20_set_polygon_stipple(struct pipe_context *pipe,
+ const struct pipe_poly_stipple *stipple)
+{
+ NOUVEAU_ERR("line stipple hahaha\n");
+}
+
+static void
+nv20_set_scissor_state(struct pipe_context *pipe,
+ const struct pipe_scissor_state *s)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+
+ nv20->scissor = (struct pipe_scissor_state*)s;
+
+ nv20->dirty |= NV20_NEW_SCISSOR;
+}
+
+static void
+nv20_set_viewport_state(struct pipe_context *pipe,
+ const struct pipe_viewport_state *vpt)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+
+ nv20->viewport = (struct pipe_viewport_state*)vpt;
+
+ draw_set_viewport_state(nv20->draw, nv20->viewport);
+
+ nv20->dirty |= NV20_NEW_VIEWPORT;
+}
+
+static void
+nv20_set_vertex_buffers(struct pipe_context *pipe, unsigned count,
+ const struct pipe_vertex_buffer *vb)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+
+ memcpy(nv20->vtxbuf, vb, sizeof(*vb) * count);
+ nv20->dirty |= NV20_NEW_VTXARRAYS;
+
+ draw_set_vertex_buffers(nv20->draw, count, vb);
+}
+
+static void
+nv20_set_vertex_elements(struct pipe_context *pipe, unsigned count,
+ const struct pipe_vertex_element *ve)
+{
+ struct nv20_context *nv20 = nv20_context(pipe);
+
+ memcpy(nv20->vtxelt, ve, sizeof(*ve) * count);
+ nv20->dirty |= NV20_NEW_VTXARRAYS;
+
+ draw_set_vertex_elements(nv20->draw, count, ve);
+}
+
+void
+nv20_init_state_functions(struct nv20_context *nv20)
+{
+ nv20->pipe.create_blend_state = nv20_blend_state_create;
+ nv20->pipe.bind_blend_state = nv20_blend_state_bind;
+ nv20->pipe.delete_blend_state = nv20_blend_state_delete;
+
+ nv20->pipe.create_sampler_state = nv20_sampler_state_create;
+ nv20->pipe.bind_sampler_states = nv20_sampler_state_bind;
+ nv20->pipe.delete_sampler_state = nv20_sampler_state_delete;
+ nv20->pipe.set_sampler_textures = nv20_set_sampler_texture;
+
+ nv20->pipe.create_rasterizer_state = nv20_rasterizer_state_create;
+ nv20->pipe.bind_rasterizer_state = nv20_rasterizer_state_bind;
+ nv20->pipe.delete_rasterizer_state = nv20_rasterizer_state_delete;
+
+ nv20->pipe.create_depth_stencil_alpha_state =
+ nv20_depth_stencil_alpha_state_create;
+ nv20->pipe.bind_depth_stencil_alpha_state =
+ nv20_depth_stencil_alpha_state_bind;
+ nv20->pipe.delete_depth_stencil_alpha_state =
+ nv20_depth_stencil_alpha_state_delete;
+
+ nv20->pipe.create_vs_state = nv20_vp_state_create;
+ nv20->pipe.bind_vs_state = nv20_vp_state_bind;
+ nv20->pipe.delete_vs_state = nv20_vp_state_delete;
+
+ nv20->pipe.create_fs_state = nv20_fp_state_create;
+ nv20->pipe.bind_fs_state = nv20_fp_state_bind;
+ nv20->pipe.delete_fs_state = nv20_fp_state_delete;
+
+ nv20->pipe.set_blend_color = nv20_set_blend_color;
+ nv20->pipe.set_clip_state = nv20_set_clip_state;
+ nv20->pipe.set_constant_buffer = nv20_set_constant_buffer;
+ nv20->pipe.set_framebuffer_state = nv20_set_framebuffer_state;
+ nv20->pipe.set_polygon_stipple = nv20_set_polygon_stipple;
+ nv20->pipe.set_scissor_state = nv20_set_scissor_state;
+ nv20->pipe.set_viewport_state = nv20_set_viewport_state;
+
+ nv20->pipe.set_vertex_buffers = nv20_set_vertex_buffers;
+ nv20->pipe.set_vertex_elements = nv20_set_vertex_elements;
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-19 23:18:52 +0000