From bfb5dc68fcc9f5dee71f66d9499b8bdcde9627ea Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Mon, 1 Feb 2010 01:19:10 +0100 Subject: Import a classic DRI driver for nv0x-nv2x. --- src/mesa/drivers/dri/nouveau/nouveau_swtnl_t.c | 354 +++++++++++++++++++++++++ 1 file changed, 354 insertions(+) create mode 100644 src/mesa/drivers/dri/nouveau/nouveau_swtnl_t.c (limited to 'src/mesa/drivers/dri/nouveau/nouveau_swtnl_t.c') diff --git a/src/mesa/drivers/dri/nouveau/nouveau_swtnl_t.c b/src/mesa/drivers/dri/nouveau/nouveau_swtnl_t.c new file mode 100644 index 0000000000..8fa922f422 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nouveau_swtnl_t.c @@ -0,0 +1,354 @@ +/* + * 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. + * + */ + +#include "tnl/t_context.h" +#include "tnl/t_pipeline.h" +#include "tnl/t_vertex.h" + +static enum tnl_attr_format +swtnl_get_format(int type, int fields) { + switch (type) { + case GL_FLOAT: + switch (fields){ + case 1: + return EMIT_1F; + case 2: + return EMIT_2F; + case 3: + return EMIT_3F; + case 4: + return EMIT_4F; + default: + assert(0); + } + case GL_UNSIGNED_BYTE: + switch (fields) { + case 4: + return EMIT_4UB_4F_RGBA; + default: + assert(0); + } + default: + assert(0); + } +} + +static struct swtnl_attr_info { + int type; + int fields; +} swtnl_attrs[VERT_ATTRIB_MAX] = { + [VERT_ATTRIB_POS] = { + .type = GL_FLOAT, + .fields = 4, + }, + [VERT_ATTRIB_NORMAL] = { + .type = GL_FLOAT, + .fields = -1, + }, + [VERT_ATTRIB_COLOR0] = { + .type = GL_UNSIGNED_BYTE, + .fields = 4, + }, + [VERT_ATTRIB_COLOR1] = { + .type = GL_UNSIGNED_BYTE, + .fields = 4, + }, + [VERT_ATTRIB_FOG] = { + .type = GL_FLOAT, + .fields = 1, + }, + [VERT_ATTRIB_TEX0] = { + .type = GL_FLOAT, + .fields = -1, + }, + [VERT_ATTRIB_TEX1] = { + .type = GL_FLOAT, + .fields = -1, + }, + [VERT_ATTRIB_TEX2] = { + .type = GL_FLOAT, + .fields = -1, + }, + [VERT_ATTRIB_TEX3] = { + .type = GL_FLOAT, + .fields = -1, + }, +}; + +static void +swtnl_choose_attrs(GLcontext *ctx) +{ + struct nouveau_render_state *render = to_render_state(ctx); + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct tnl_clipspace *vtx = &tnl->clipspace; + static struct tnl_attr_map map[NUM_VERTEX_ATTRS]; + int fields, i, n = 0; + + render->mode = VBO; + render->attr_count = NUM_VERTEX_ATTRS; + + /* We always want non Ndc coords format */ + tnl->vb.AttribPtr[VERT_ATTRIB_POS] = tnl->vb.ClipPtr; + + for (i = 0; i < VERT_ATTRIB_MAX; i++) { + struct nouveau_attr_info *ha = &TAG(vertex_attrs)[i]; + struct swtnl_attr_info *sa = &swtnl_attrs[i]; + struct nouveau_array_state *a = &render->attrs[i]; + + if (!sa->fields) + continue; /* Unsupported attribute. */ + + if (RENDERINPUTS_TEST(tnl->render_inputs_bitset, i)) { + if (sa->fields > 0) + fields = sa->fields; + else + fields = tnl->vb.AttribPtr[i]->size; + + map[n++] = (struct tnl_attr_map) { + .attrib = i, + .format = swtnl_get_format(sa->type, fields), + }; + + render->map[ha->vbo_index] = i; + a->attr = i; + a->fields = fields; + a->type = sa->type; + } + } + + _tnl_install_attrs(ctx, map, n, NULL, 0); + + for (i = 0; i < vtx->attr_count; i++) { + struct tnl_clipspace_attr *ta = &vtx->attr[i]; + struct nouveau_array_state *a = &render->attrs[ta->attrib]; + + a->stride = vtx->vertex_size; + a->offset = ta->vertoffset; + } + + TAG(render_set_format)(ctx); +} + +static void +swtnl_alloc_vertices(GLcontext *ctx) +{ + struct nouveau_swtnl_state *swtnl = &to_render_state(ctx)->swtnl; + + nouveau_bo_ref(NULL, &swtnl->vbo); + swtnl->buf = get_scratch_vbo(ctx, RENDER_SCRATCH_SIZE, + &swtnl->vbo, NULL); + swtnl->vertex_count = 0; +} + +static void +swtnl_bind_vertices(GLcontext *ctx) +{ + struct nouveau_render_state *render = to_render_state(ctx); + struct nouveau_swtnl_state *swtnl = &render->swtnl; + int i; + + for (i = 0; i < render->attr_count; i++) { + int attr = render->map[i]; + + if (attr >= 0) + nouveau_bo_ref(swtnl->vbo, + &render->attrs[attr].bo); + } + + TAG(render_bind_vertices)(ctx); +} + +static void +swtnl_unbind_vertices(GLcontext *ctx) +{ + struct nouveau_render_state *render = to_render_state(ctx); + int i; + + for (i = 0; i < render->attr_count; i++) { + int *attr = &render->map[i]; + + if (*attr >= 0) { + nouveau_bo_ref(NULL, &render->attrs[*attr].bo); + *attr = -1; + } + } + + render->attr_count = 0; +} + +static void +swtnl_flush_vertices(GLcontext *ctx) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_swtnl_state *swtnl = &to_render_state(ctx)->swtnl; + unsigned push, start = 0, count = swtnl->vertex_count; + RENDER_LOCALS(ctx); + + swtnl_bind_vertices(ctx); + + while (count) { + push = get_max_vertices(ctx, NULL, chan->pushbuf->remaining); + push = MIN2(push / 12 * 12, count); + count -= push; + + if (!push) { + FIRE_RING(chan); + continue; + } + + BATCH_BEGIN(nvgl_primitive(swtnl->primitive)); + EMIT_VBO(L, ctx, start, 0, push); + BATCH_END(); + + FIRE_RING(chan); + } + + swtnl_alloc_vertices(ctx); +} + +/* TnL renderer entry points */ + +static void +swtnl_start(GLcontext *ctx) +{ + swtnl_choose_attrs(ctx); +} + +static void +swtnl_finish(GLcontext *ctx) +{ + swtnl_flush_vertices(ctx); + swtnl_unbind_vertices(ctx); +} + +static void +swtnl_primitive(GLcontext *ctx, GLenum mode) +{ +} + +static void +swtnl_reset_stipple(GLcontext *ctx) +{ +} + +/* Primitive rendering */ + +#define BEGIN_PRIMITIVE(p, n) \ + struct nouveau_swtnl_state *swtnl = &to_render_state(ctx)->swtnl; \ + int vertex_len = TNL_CONTEXT(ctx)->clipspace.vertex_size; \ + \ + if (swtnl->vertex_count + (n) > swtnl->vbo->size/vertex_len \ + || (swtnl->vertex_count && swtnl->primitive != p)) \ + swtnl_flush_vertices(ctx); \ + \ + swtnl->primitive = p; + +#define OUT_VERTEX(i) do { \ + memcpy(swtnl->buf + swtnl->vertex_count * vertex_len, \ + _tnl_get_vertex(ctx, (i)), vertex_len); \ + swtnl->vertex_count++; \ + } while (0) + +static void +swtnl_points(GLcontext *ctx, GLuint first, GLuint last) +{ + int i, count; + + while (first < last) { + BEGIN_PRIMITIVE(GL_POINTS, last - first); + + count = MIN2(swtnl->vbo->size / vertex_len, last - first); + for (i = 0; i < count; i++) + OUT_VERTEX(first + i); + + first += count; + } +} + +static void +swtnl_line(GLcontext *ctx, GLuint v1, GLuint v2) +{ + BEGIN_PRIMITIVE(GL_LINES, 2); + OUT_VERTEX(v1); + OUT_VERTEX(v2); +} + +static void +swtnl_triangle(GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3) +{ + BEGIN_PRIMITIVE(GL_TRIANGLES, 3); + OUT_VERTEX(v1); + OUT_VERTEX(v2); + OUT_VERTEX(v3); +} + +static void +swtnl_quad(GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3, GLuint v4) +{ + BEGIN_PRIMITIVE(GL_QUADS, 4); + OUT_VERTEX(v1); + OUT_VERTEX(v2); + OUT_VERTEX(v3); + OUT_VERTEX(v4); +} + +/* TnL initialization. */ +static void +TAG(swtnl_init)(GLcontext *ctx) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + + tnl->Driver.RunPipeline = _tnl_run_pipeline; + tnl->Driver.Render.Interp = _tnl_interp; + tnl->Driver.Render.CopyPV = _tnl_copy_pv; + tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon; + tnl->Driver.Render.ClippedLine = _tnl_RenderClippedLine; + tnl->Driver.Render.BuildVertices = _tnl_build_vertices; + + tnl->Driver.Render.Start = swtnl_start; + tnl->Driver.Render.Finish = swtnl_finish; + tnl->Driver.Render.PrimitiveNotify = swtnl_primitive; + tnl->Driver.Render.ResetLineStipple = swtnl_reset_stipple; + + tnl->Driver.Render.Points = swtnl_points; + tnl->Driver.Render.Line = swtnl_line; + tnl->Driver.Render.Triangle = swtnl_triangle; + tnl->Driver.Render.Quad = swtnl_quad; + + _tnl_init_vertices(ctx, tnl->vb.Size, + NUM_VERTEX_ATTRS * 4 * sizeof(GLfloat)); + _tnl_need_projected_coords(ctx, GL_FALSE); + _tnl_allow_vertex_fog(ctx, GL_FALSE); + _tnl_wakeup(ctx); + + swtnl_alloc_vertices(ctx); +} + +static void +TAG(swtnl_destroy)(GLcontext *ctx) +{ + nouveau_bo_ref(NULL, &to_render_state(ctx)->swtnl.vbo); +} -- cgit v1.2.3