summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/nouveau/nouveau_driver.c
blob: 6452fe218e570d64d806a4b699a121d533eb3e40 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
/*
 * 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_fbo.h"
#include "nouveau_util.h"

#include "drivers/common/meta.h"

static const GLubyte *
nouveau_get_string(GLcontext *ctx, GLenum name)
{
	static char buffer[128];
	char hardware_name[32];

	switch (name) {
		case GL_VENDOR:
			return (GLubyte *)"Nouveau";

		case GL_RENDERER:
			sprintf(hardware_name, "nv%02X", context_chipset(ctx));
			driGetRendererString(buffer, hardware_name, DRIVER_DATE, 0);

			return (GLubyte *)buffer;
		default:
			return NULL;
	}
}

static void
nouveau_flush(GLcontext *ctx)
{
	struct nouveau_context *nctx = to_nouveau_context(ctx);
	struct nouveau_channel *chan = context_chan(ctx);

	FIRE_RING(chan);

	if (ctx->DrawBuffer->Name == 0 &&
	    ctx->DrawBuffer->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) {
		__DRIscreen *screen = nctx->screen->dri_screen;
		__DRIdri2LoaderExtension *dri2 = screen->dri2.loader;
		__DRIdrawable *drawable = nctx->dri_context->driDrawablePriv;

		dri2->flushFrontBuffer(drawable, drawable->loaderPrivate);
	}
}

static void
nouveau_finish(GLcontext *ctx)
{
	nouveau_flush(ctx);
}

void
nouveau_clear(GLcontext *ctx, GLbitfield buffers)
{
	struct gl_framebuffer *fb = ctx->DrawBuffer;
	int x, y, w, h;
	int i, buf;

	nouveau_validate_framebuffer(ctx);
	get_scissors(fb, &x, &y, &w, &h);

	for (i = 0; i < BUFFER_COUNT; i++) {
		struct nouveau_surface *s;
		unsigned mask, value;

		buf = buffers & (1 << i);
		if (!buf)
			continue;

		s = &to_nouveau_renderbuffer(
			fb->Attachment[i].Renderbuffer->Wrapped)->surface;

		if (buf & BUFFER_BITS_COLOR) {
			mask = pack_rgba_i(s->format, ctx->Color.ColorMask[0]);
			value = pack_rgba_f(s->format, ctx->Color.ClearColor);

			if (mask)
				context_drv(ctx)->surface_fill(
					ctx, s, mask, value, x, y, w, h);

			buffers &= ~buf;

		} else if (buf & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) {
			mask = pack_zs_i(s->format,
					 (buffers & BUFFER_BIT_DEPTH &&
					  ctx->Depth.Mask) ? ~0 : 0,
					 (buffers & BUFFER_BIT_STENCIL ?
					  ctx->Stencil.WriteMask[0] : 0));
			value = pack_zs_f(s->format,
					  ctx->Depth.Clear,
					  ctx->Stencil.Clear);

			if (mask)
				context_drv(ctx)->surface_fill(
					ctx, s, mask, value, x, y, w, h);

			buffers &= ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL);
		}
	}

	if (buffers)
		_mesa_meta_Clear(ctx, buffers);
}

void
nouveau_driver_functions_init(struct dd_function_table *functions)
{
	functions->GetString = nouveau_get_string;
	functions->Flush = nouveau_flush;
	functions->Finish = nouveau_finish;
	functions->Clear = nouveau_clear;
	functions->DrawPixels = _mesa_meta_DrawPixels;
	functions->CopyPixels = _mesa_meta_CopyPixels;
	functions->Bitmap = _mesa_meta_Bitmap;
#if FEATURE_EXT_framebuffer_blit
	functions->BlitFramebuffer = _mesa_meta_BlitFramebuffer;
#endif
}