diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_render_t.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nouveau_render_t.c | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_render_t.c b/src/mesa/drivers/dri/nouveau/nouveau_render_t.c new file mode 100644 index 00000000000..c0505781cfe --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nouveau_render_t.c @@ -0,0 +1,361 @@ +/* + * Copyright (C) 2009-2010 Francisco Jerez. + * All Rights Reserved. + * + * 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 (including the + * next paragraph) 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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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. + * + */ + +/* + * Vertex submission helper definitions shared among the software and + * hardware TnL paths. + */ + +#include "nouveau_gldefs.h" + +#include "main/light.h" +#include "vbo/vbo.h" +#include "tnl/tnl.h" + +#define OUT_INDICES_L(r, i, d, n) \ + BATCH_OUT_L(i + d, n); \ + (void)r +#define OUT_INDICES_I16(r, i, d, n) \ + BATCH_OUT_I16(r->ib.extract_u(&r->ib, 0, i) + d, \ + r->ib.extract_u(&r->ib, 0, i + 1) + d) +#define OUT_INDICES_I32(r, i, d, n) \ + BATCH_OUT_I32(r->ib.extract_u(&r->ib, 0, i) + d) + +/* + * Emit <n> vertices using BATCH_OUT_<out>, MAX_OUT_<out> at a time, + * grouping them in packets of length MAX_PACKET. + * + * out: hardware index data type. + * ctx: GL context. + * start: element within the index buffer to begin with. + * delta: integer correction that will be added to each index found in + * the index buffer. + */ +#define EMIT_VBO(out, ctx, start, delta, n) do { \ + struct nouveau_render_state *render = to_render_state(ctx); \ + int npush = n; \ + \ + while (npush) { \ + int npack = MIN2(npush, MAX_PACKET * MAX_OUT_##out); \ + npush -= npack; \ + \ + BATCH_PACKET_##out((npack + MAX_OUT_##out - 1) \ + / MAX_OUT_##out); \ + while (npack) { \ + int nout = MIN2(npack, MAX_OUT_##out); \ + npack -= nout; \ + \ + OUT_INDICES_##out(render, start, delta, \ + nout); \ + start += nout; \ + } \ + } \ + } while (0) + +/* + * Emit the <n>-th element of the array <a>, using IMM_OUT. + */ +#define EMIT_IMM(ctx, a, n) do { \ + struct nouveau_attr_info *info = \ + &TAG(vertex_attrs)[(a)->attr]; \ + int m; \ + \ + if (!info->emit) { \ + IMM_PACKET(info->imm_method, info->imm_fields); \ + \ + for (m = 0; m < (a)->fields; m++) \ + IMM_OUT((a)->extract_f(a, n, m)); \ + \ + for (m = (a)->fields; m < info->imm_fields; m++) \ + IMM_OUT(((float []){0, 0, 0, 1})[m]); \ + \ + } else { \ + info->emit(ctx, a, (a)->buf + n * (a)->stride); \ + } \ + } while (0) + +/* + * Select an appropriate dispatch function for the given index buffer. + */ +static void +get_array_dispatch(struct nouveau_array_state *a, dispatch_t *dispatch) +{ + if (!a->fields) { + auto void f(GLcontext *, unsigned int, int, unsigned int); + + void f(GLcontext *ctx, unsigned int start, int delta, + unsigned int n) { + struct nouveau_channel *chan = context_chan(ctx); + RENDER_LOCALS(ctx); + + EMIT_VBO(L, ctx, start, delta, n); + }; + + *dispatch = f; + + } else if (a->type == GL_UNSIGNED_INT) { + auto void f(GLcontext *, unsigned int, int, unsigned int); + + void f(GLcontext *ctx, unsigned int start, int delta, + unsigned int n) { + struct nouveau_channel *chan = context_chan(ctx); + RENDER_LOCALS(ctx); + + EMIT_VBO(I32, ctx, start, delta, n); + }; + + *dispatch = f; + + } else { + auto void f(GLcontext *, unsigned int, int, unsigned int); + + void f(GLcontext *ctx, unsigned int start, int delta, + unsigned int n) { + struct nouveau_channel *chan = context_chan(ctx); + RENDER_LOCALS(ctx); + + EMIT_VBO(I32, ctx, start, delta, n & 1); + EMIT_VBO(I16, ctx, start, delta, n & ~1); + }; + + *dispatch = f; + } +} + +/* + * Select appropriate element extraction functions for the given + * array. + */ +static void +get_array_extract(struct nouveau_array_state *a, + extract_u_t *extract_u, extract_f_t *extract_f) +{ +#define EXTRACT(in_t, out_t, k) \ + ({ \ + auto out_t f(struct nouveau_array_state *, int, int); \ + out_t f(struct nouveau_array_state *a, int i, int j) { \ + in_t x = ((in_t *)(a->buf + i * a->stride))[j]; \ + \ + return (out_t)x / (k); \ + }; \ + f; \ + }); + + switch (a->type) { + case GL_BYTE: + *extract_u = EXTRACT(char, unsigned, 1); + *extract_f = EXTRACT(char, float, SCHAR_MAX); + break; + case GL_UNSIGNED_BYTE: + *extract_u = EXTRACT(unsigned char, unsigned, 1); + *extract_f = EXTRACT(unsigned char, float, UCHAR_MAX); + break; + case GL_SHORT: + *extract_u = EXTRACT(short, unsigned, 1); + *extract_f = EXTRACT(short, float, SHRT_MAX); + break; + case GL_UNSIGNED_SHORT: + *extract_u = EXTRACT(unsigned short, unsigned, 1); + *extract_f = EXTRACT(unsigned short, float, USHRT_MAX); + break; + case GL_INT: + *extract_u = EXTRACT(int, unsigned, 1); + *extract_f = EXTRACT(int, float, INT_MAX); + break; + case GL_UNSIGNED_INT: + *extract_u = EXTRACT(unsigned int, unsigned, 1); + *extract_f = EXTRACT(unsigned int, float, UINT_MAX); + break; + case GL_FLOAT: + *extract_u = EXTRACT(float, unsigned, 1.0 / UINT_MAX); + *extract_f = EXTRACT(float, float, 1); + break; + + default: + assert(0); + } +} + +/* + * Returns a pointer to a chunk of <size> bytes long GART memory. <bo> + * will be updated with the buffer object the memory is located in. + * + * If <offset> is provided, it will be updated with the offset within + * <bo> of the allocated memory. Otherwise the returned memory will + * always be located right at the beginning of <bo>. + */ +static inline void * +get_scratch_vbo(GLcontext *ctx, unsigned size, struct nouveau_bo **bo, + unsigned *offset) +{ + struct nouveau_scratch_state *scratch = &to_render_state(ctx)->scratch; + void *buf; + + if (scratch->buf && offset && + size <= RENDER_SCRATCH_SIZE - scratch->offset) { + nouveau_bo_ref(scratch->bo[scratch->index], bo); + + buf = scratch->buf + scratch->offset; + *offset = scratch->offset; + scratch->offset += size; + + } else if (size <= RENDER_SCRATCH_SIZE) { + scratch->index = (scratch->index + 1) % RENDER_SCRATCH_COUNT; + nouveau_bo_ref(scratch->bo[scratch->index], bo); + + nouveau_bo_map(*bo, NOUVEAU_BO_WR); + buf = scratch->buf = (*bo)->map; + nouveau_bo_unmap(*bo); + + if (offset) + *offset = 0; + scratch->offset = size; + + } else { + nouveau_bo_new(context_dev(ctx), + NOUVEAU_BO_MAP | NOUVEAU_BO_GART, 0, size, bo); + + nouveau_bo_map(*bo, NOUVEAU_BO_WR); + buf = (*bo)->map; + nouveau_bo_unmap(*bo); + + if (offset) + *offset = 0; + } + + return buf; +} + +/* + * Returns how many vertices you can draw using <n> pushbuf dwords. + */ +static inline unsigned +get_max_vertices(GLcontext *ctx, const struct _mesa_index_buffer *ib, + unsigned n) +{ + struct nouveau_render_state *render = to_render_state(ctx); + + if (render->mode == IMM) { + return MAX2(0, n - 4) / (render->vertex_size / 4 + + render->attr_count); + } else { + unsigned max_out; + + if (ib) { + switch (ib->type) { + case GL_UNSIGNED_INT: + max_out = MAX_OUT_I32; + break; + + case GL_UNSIGNED_SHORT: + max_out = MAX_OUT_I16; + break; + + case GL_UNSIGNED_BYTE: + max_out = MAX_OUT_I16; + break; + } + } else { + max_out = MAX_OUT_L; + } + + return MAX2(0, n - 7) * max_out * MAX_PACKET / (1 + MAX_PACKET); + } +} + +#include "nouveau_vbo_t.c" +#include "nouveau_swtnl_t.c" + +static void +TAG(emit_material)(GLcontext *ctx, struct nouveau_array_state *a, + const void *v) +{ + const int attr = a->attr - VERT_ATTRIB_GENERIC0; + const int state = ((int []) { + NOUVEAU_STATE_MATERIAL_FRONT_AMBIENT, + NOUVEAU_STATE_MATERIAL_BACK_AMBIENT, + NOUVEAU_STATE_MATERIAL_FRONT_DIFFUSE, + NOUVEAU_STATE_MATERIAL_BACK_DIFFUSE, + NOUVEAU_STATE_MATERIAL_FRONT_SPECULAR, + NOUVEAU_STATE_MATERIAL_BACK_SPECULAR, + NOUVEAU_STATE_MATERIAL_FRONT_AMBIENT, + NOUVEAU_STATE_MATERIAL_BACK_AMBIENT, + NOUVEAU_STATE_MATERIAL_FRONT_SHININESS, + NOUVEAU_STATE_MATERIAL_BACK_SHININESS + }) [attr]; + + COPY_4V(ctx->Light.Material.Attrib[attr], (float *)v); + _mesa_update_material(ctx, 1 << attr); + + context_drv(ctx)->emit[state](ctx, state); +} + +static void +TAG(render_prims)(GLcontext *ctx, const struct gl_client_array **arrays, + const struct _mesa_prim *prims, GLuint nr_prims, + const struct _mesa_index_buffer *ib, + GLboolean index_bounds_valid, + GLuint min_index, GLuint max_index) +{ + struct nouveau_context *nctx = to_nouveau_context(ctx); + + nouveau_validate_framebuffer(ctx); + + if (nctx->fallback == HWTNL) + TAG(vbo_render_prims)(ctx, arrays, prims, nr_prims, ib, + index_bounds_valid, min_index, max_index); + + if (nctx->fallback == SWTNL) + _tnl_vbo_draw_prims(ctx, arrays, prims, nr_prims, ib, + index_bounds_valid, min_index, max_index); +} + +void +TAG(render_init)(GLcontext *ctx) +{ + struct nouveau_render_state *render = to_render_state(ctx); + struct nouveau_scratch_state *scratch = &render->scratch; + int ret, i; + + for (i = 0; i < RENDER_SCRATCH_COUNT; i++) { + ret = nouveau_bo_new(context_dev(ctx), + NOUVEAU_BO_MAP | NOUVEAU_BO_GART, + 0, RENDER_SCRATCH_SIZE, &scratch->bo[i]); + assert(!ret); + } + + for (i = 0; i < VERT_ATTRIB_MAX; i++) + render->map[i] = -1; + + TAG(swtnl_init)(ctx); + vbo_set_draw_func(ctx, TAG(render_prims)); +} + +void +TAG(render_destroy)(GLcontext *ctx) +{ + TAG(swtnl_destroy)(ctx); +} |