1 /* 2 * Copyright (C) 2009 Francisco Jerez. 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice (including the 14 * next paragraph) shall be included in all copies or substantial 15 * portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 * 25 */ 26 27 #include <stdio.h> 28 #include "main/mtypes.h" 29 #include "main/fbobject.h" 30 31 #include "nouveau_driver.h" 32 #include "nouveau_context.h" 33 #include "nouveau_fbo.h" 34 #include "nouveau_util.h" 35 36 #include "drivers/common/meta.h" 37 38 const char * const nouveau_vendor_string = "Nouveau"; 39 40 const char * 41 nouveau_get_renderer_string(unsigned chipset) 42 { 43 char hardware_name[32]; 44 static char buffer[128]; 45 46 snprintf(hardware_name, sizeof(hardware_name), "nv%02X", chipset); 47 driGetRendererString(buffer, hardware_name, 0); 48 49 return buffer; 50 } 51 52 static const GLubyte * 53 nouveau_get_string(struct gl_context *ctx, GLenum name) 54 { 55 switch (name) { 56 case GL_VENDOR: 57 return (GLubyte *)nouveau_vendor_string; 58 59 case GL_RENDERER: 60 return (GLubyte *)nouveau_get_renderer_string(context_chipset(ctx)); 61 default: 62 return NULL; 63 } 64 } 65 66 static void 67 nouveau_flush(struct gl_context *ctx) 68 { 69 struct nouveau_context *nctx = to_nouveau_context(ctx); 70 struct nouveau_pushbuf *push = context_push(ctx); 71 72 PUSH_KICK(push); 73 74 if (_mesa_is_winsys_fbo(ctx->DrawBuffer) && 75 ctx->DrawBuffer->_ColorDrawBufferIndexes[0] == BUFFER_FRONT_LEFT) { 76 __DRIscreen *screen = nctx->screen->dri_screen; 77 const __DRIdri2LoaderExtension *dri2 = screen->dri2.loader; 78 __DRIdrawable *drawable = nctx->dri_context->driDrawablePriv; 79 80 if (drawable && drawable->loaderPrivate) 81 dri2->flushFrontBuffer(drawable, drawable->loaderPrivate); 82 } 83 } 84 85 static void 86 nouveau_finish(struct gl_context *ctx) 87 { 88 struct nouveau_context *nctx = to_nouveau_context(ctx); 89 struct nouveau_pushbuf *push = context_push(ctx); 90 struct nouveau_pushbuf_refn refn = 91 { nctx->fence, NOUVEAU_BO_VRAM | NOUVEAU_BO_RDWR }; 92 93 nouveau_flush(ctx); 94 95 if (!nouveau_pushbuf_space(push, 16, 0, 0) && 96 !nouveau_pushbuf_refn(push, &refn, 1)) { 97 PUSH_DATA(push, 0); 98 PUSH_KICK(push); 99 } 100 101 nouveau_bo_wait(nctx->fence, NOUVEAU_BO_RDWR, context_client(ctx)); 102 } 103 104 void 105 nouveau_clear(struct gl_context *ctx, GLbitfield buffers) 106 { 107 struct gl_framebuffer *fb = ctx->DrawBuffer; 108 int x, y, w, h; 109 int i, buf; 110 111 nouveau_validate_framebuffer(ctx); 112 get_scissors(fb, &x, &y, &w, &h); 113 114 for (i = 0; i < BUFFER_COUNT; i++) { 115 struct nouveau_surface *s; 116 unsigned mask, value; 117 118 buf = buffers & (1 << i); 119 if (!buf) 120 continue; 121 122 s = &to_nouveau_renderbuffer( 123 fb->Attachment[i].Renderbuffer)->surface; 124 125 if (buf & BUFFER_BITS_COLOR) { 126 const float *color = ctx->Color.ClearColor.f; 127 128 if (fb->Attachment[i].Renderbuffer->_BaseFormat == 129 GL_LUMINANCE_ALPHA) 130 value = pack_la_clamp_f( 131 s->format, color[0], color[3]); 132 else 133 value = pack_rgba_clamp_f(s->format, color); 134 135 mask = pack_rgba_i(s->format, ctx->Color.ColorMask[0]); 136 137 if (mask) 138 context_drv(ctx)->surface_fill( 139 ctx, s, mask, value, x, y, w, h); 140 141 buffers &= ~buf; 142 143 } else if (buf & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) { 144 mask = pack_zs_i(s->format, 145 (buffers & BUFFER_BIT_DEPTH && 146 ctx->Depth.Mask) ? ~0 : 0, 147 (buffers & BUFFER_BIT_STENCIL ? 148 ctx->Stencil.WriteMask[0] : 0)); 149 value = pack_zs_f(s->format, 150 ctx->Depth.Clear, 151 ctx->Stencil.Clear); 152 153 if (mask) 154 context_drv(ctx)->surface_fill( 155 ctx, s, mask, value, x, y, w, h); 156 157 buffers &= ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL); 158 } 159 } 160 161 if (buffers) 162 _mesa_meta_Clear(ctx, buffers); 163 } 164 165 void 166 nouveau_driver_functions_init(struct dd_function_table *functions) 167 { 168 functions->GetString = nouveau_get_string; 169 functions->Flush = nouveau_flush; 170 functions->Finish = nouveau_finish; 171 functions->Clear = nouveau_clear; 172 functions->DrawPixels = _mesa_meta_DrawPixels; 173 functions->CopyPixels = _mesa_meta_CopyPixels; 174 functions->Bitmap = _mesa_meta_Bitmap; 175 functions->BlitFramebuffer = _mesa_meta_and_swrast_BlitFramebuffer; 176 } 177