1 files changed, 354 insertions, 0 deletions
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 00000000000..8fa922f422e
--- /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);
+}