diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nv04_render.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv04_render.c | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv04_render.c b/src/mesa/drivers/dri/nouveau/nv04_render.c new file mode 100644 index 00000000000..b5943d99871 --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nv04_render.c @@ -0,0 +1,212 @@ +/* + * Copyright (C) 2009 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 "nouveau_driver.h" +#include "nouveau_context.h" +#include "nouveau_util.h" +#include "nouveau_class.h" +#include "nv04_driver.h" + +#include "tnl/tnl.h" +#include "tnl/t_pipeline.h" +#include "tnl/t_vertex.h" + +#define NUM_VERTEX_ATTRS 6 + +static void +swtnl_update_viewport(GLcontext *ctx) +{ + float *viewport = to_nv04_context(ctx)->viewport; + struct gl_framebuffer *fb = ctx->DrawBuffer; + + get_viewport_scale(ctx, viewport); + get_viewport_translate(ctx, &viewport[MAT_TX]); + + /* It wants normalized Z coordinates. */ + viewport[MAT_SZ] /= fb->_DepthMaxF; + viewport[MAT_TZ] /= fb->_DepthMaxF; +} + +static void +swtnl_emit_attr(GLcontext *ctx, struct tnl_attr_map *m, int attr, int emit) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + + if (RENDERINPUTS_TEST(tnl->render_inputs_bitset, attr)) + *m = (struct tnl_attr_map) { + .attrib = attr, + .format = emit, + }; + else + *m = (struct tnl_attr_map) { + .format = EMIT_PAD, + .offset = _tnl_format_info[emit].attrsize, + }; +} + +static void +swtnl_choose_attrs(GLcontext *ctx) +{ + TNLcontext *tnl = TNL_CONTEXT(ctx); + struct nouveau_grobj *fahrenheit = nv04_context_engine(ctx); + struct nv04_context *nctx = to_nv04_context(ctx); + static struct tnl_attr_map map[NUM_VERTEX_ATTRS]; + int n = 0; + + tnl->vb.AttribPtr[VERT_ATTRIB_POS] = tnl->vb.NdcPtr; + + swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT); + swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA); + swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR); + swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_FOG, EMIT_1UB_1F); + swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_TEX0, EMIT_2F); + if (nv04_mtex_engine(fahrenheit)) + swtnl_emit_attr(ctx, &map[n++], _TNL_ATTRIB_TEX1, EMIT_2F); + + swtnl_update_viewport(ctx); + + _tnl_install_attrs(ctx, map, n, nctx->viewport, 0); +} + +/* TnL renderer entry points */ + +static void +swtnl_start(GLcontext *ctx) +{ + swtnl_choose_attrs(ctx); +} + +static void +swtnl_finish(GLcontext *ctx) +{ + FIRE_RING(context_chan(ctx)); +} + +static void +swtnl_primitive(GLcontext *ctx, GLenum mode) +{ +} + +static void +swtnl_reset_stipple(GLcontext *ctx) +{ +} + +/* Primitive rendering */ + +#define BEGIN_PRIMITIVE(n) \ + struct nouveau_channel *chan = context_chan(ctx); \ + struct nouveau_grobj *fahrenheit = nv04_context_engine(ctx); \ + int vertex_len = TNL_CONTEXT(ctx)->clipspace.vertex_size / 4; \ + \ + if (nv04_mtex_engine(fahrenheit)) \ + BEGIN_RING(chan, fahrenheit, \ + NV04_MULTITEX_TRIANGLE_TLMTVERTEX_SX(0), \ + n * vertex_len); \ + else \ + BEGIN_RING(chan, fahrenheit, \ + NV04_TEXTURED_TRIANGLE_TLVERTEX_SX(0), \ + n * vertex_len); \ + +#define OUT_VERTEX(i) \ + OUT_RINGp(chan, _tnl_get_vertex(ctx, i), vertex_len); + +#define END_PRIMITIVE(draw) \ + if (nv04_mtex_engine(fahrenheit)) { \ + BEGIN_RING(chan, fahrenheit, \ + NV04_MULTITEX_TRIANGLE_DRAWPRIMITIVE(0), 1); \ + OUT_RING(chan, draw); \ + } else { \ + BEGIN_RING(chan, fahrenheit, \ + NV04_TEXTURED_TRIANGLE_DRAWPRIMITIVE(0), 1); \ + OUT_RING(chan, draw); \ + } + +static void +swtnl_points(GLcontext *ctx, GLuint first, GLuint last) +{ +} + +static void +swtnl_line(GLcontext *ctx, GLuint v1, GLuint v2) +{ +} + +static void +swtnl_triangle(GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3) +{ + BEGIN_PRIMITIVE(3); + OUT_VERTEX(v1); + OUT_VERTEX(v2); + OUT_VERTEX(v3); + END_PRIMITIVE(0x210); +} + +static void +swtnl_quad(GLcontext *ctx, GLuint v1, GLuint v2, GLuint v3, GLuint v4) +{ + BEGIN_PRIMITIVE(4); + OUT_VERTEX(v1); + OUT_VERTEX(v2); + OUT_VERTEX(v3); + OUT_VERTEX(v4); + END_PRIMITIVE(0x320210); +} + +/* TnL initialization. */ +void +nv04_render_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_need_projected_coords(ctx, GL_TRUE); + _tnl_init_vertices(ctx, tnl->vb.Size, + NUM_VERTEX_ATTRS * 4 * sizeof(GLfloat)); + _tnl_allow_pixel_fog(ctx, GL_FALSE); + _tnl_wakeup(ctx); +} + +void +nv04_render_destroy(GLcontext *ctx) +{ +} |