1 /* -*- mode: c; c-basic-offset: 3 -*- */
3 * Copyright 2000 Gareth Hughes
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * GARETH HUGHES BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
21 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 * Gareth Hughes <gareth@valinux.com>
28 * Leif Delgass <ldelgass@retinalburn.net>
29 * Jos�Fonseca <j_r_fonseca@yahoo.co.uk>
32 #include "mach64_context.h"
33 #include "mach64_ioctl.h"
34 #include "mach64_span.h"
36 #include "main/context.h"
37 #include "main/imports.h"
38 #include "main/framebuffer.h"
39 #include "main/renderbuffer.h"
44 #include "GL/internal/dri_interface.h"
46 /* Mach64 configuration
50 PUBLIC const char __driConfigOptions[] =
52 DRI_CONF_SECTION_PERFORMANCE
53 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
55 DRI_CONF_SECTION_DEBUG
56 DRI_CONF_NO_RAST(false)
58 DRI_CONF_PERFORMANCE_BOXES(false)
63 static const GLuint __driNConfigOptions = 3;
65 static const GLuint __driNConfigOptions = 2;
68 static const __DRIconfig **
69 mach64FillInModes( __DRIscreen *psp,
70 unsigned pixel_bits, unsigned depth_bits,
71 unsigned stencil_bits, GLboolean have_back_buffer )
73 __DRIconfig **configs;
77 unsigned depth_buffer_factor;
78 unsigned back_buffer_factor;
81 /* Right now GLX_SWAP_COPY_OML isn't supported, but it would be easy
82 * enough to add support. Basically, if a context is created with an
83 * fbconfig where the swap method is GLX_SWAP_COPY_OML, pageflipping
86 static const GLenum back_buffer_modes[] = {
87 GLX_NONE, GLX_SWAP_UNDEFINED_OML /*, GLX_SWAP_COPY_OML */
90 uint8_t depth_bits_array[2];
91 uint8_t stencil_bits_array[2];
92 uint8_t msaa_samples_array[1];
94 depth_bits_array[0] = depth_bits;
95 depth_bits_array[1] = depth_bits;
97 /* Just like with the accumulation buffer, always provide some modes
98 * with a stencil buffer. It will be a sw fallback, but some apps won't
101 stencil_bits_array[0] = 0;
102 stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
104 msaa_samples_array[0] = 0;
106 depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
107 back_buffer_factor = (have_back_buffer) ? 2 : 1;
109 if (pixel_bits == 16) {
111 fb_type = GL_UNSIGNED_SHORT_5_6_5;
115 fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
118 configs = driCreateConfigs(fb_format, fb_type,
119 depth_bits_array, stencil_bits_array,
120 depth_buffer_factor, back_buffer_modes,
122 msaa_samples_array, 1, GL_TRUE);
123 if (configs == NULL) {
124 fprintf(stderr, "[%s:%u] Error creating FBConfig!\n",
129 /* Mark the visual as slow if there are "fake" stencil bits.
131 for (i = 0; configs[i]; i++) {
132 m = &configs[i]->modes;
133 if ((m->stencilBits != 0) && (m->stencilBits != stencil_bits)) {
134 m->visualRating = GLX_SLOW_CONFIG;
138 return (const __DRIconfig **) configs;
142 /* Create the device specific screen private data struct.
144 static mach64ScreenRec *
145 mach64CreateScreen( __DRIscreen *sPriv )
147 mach64ScreenPtr mach64Screen;
148 ATIDRIPtr serverInfo = (ATIDRIPtr)sPriv->pDevPriv;
151 if (sPriv->devPrivSize != sizeof(ATIDRIRec)) {
152 fprintf(stderr,"\nERROR! sizeof(ATIDRIRec) does not match passed size from device driver\n");
156 if ( MACH64_DEBUG & DEBUG_VERBOSE_DRI )
157 fprintf( stderr, "%s\n", __FUNCTION__ );
159 /* Allocate the private area */
160 mach64Screen = (mach64ScreenPtr) CALLOC( sizeof(*mach64Screen) );
161 if ( !mach64Screen ) return NULL;
163 /* parse information in __driConfigOptions */
164 driParseOptionInfo (&mach64Screen->optionCache,
165 __driConfigOptions, __driNConfigOptions);
167 mach64Screen->IsPCI = serverInfo->IsPCI;
170 drm_mach64_getparam_t gp;
173 gp.param = MACH64_PARAM_IRQ_NR;
174 gp.value = (void *) &mach64Screen->irq;
176 ret = drmCommandWriteRead( sPriv->fd, DRM_MACH64_GETPARAM,
179 fprintf(stderr, "DRM_MACH64_GETPARAM (MACH64_PARAM_IRQ_NR): %d\n", ret);
180 FREE( mach64Screen );
185 mach64Screen->mmio.handle = serverInfo->regs;
186 mach64Screen->mmio.size = serverInfo->regsSize;
187 if ( drmMap( sPriv->fd,
188 mach64Screen->mmio.handle,
189 mach64Screen->mmio.size,
190 (drmAddressPtr)&mach64Screen->mmio.map ) != 0 ) {
191 FREE( mach64Screen );
195 mach64Screen->buffers = drmMapBufs( sPriv->fd );
196 if ( !mach64Screen->buffers ) {
197 drmUnmap( (drmAddress)mach64Screen->mmio.map,
198 mach64Screen->mmio.size );
199 FREE( mach64Screen );
203 if ( !mach64Screen->IsPCI ) {
204 mach64Screen->agpTextures.handle = serverInfo->agp;
205 mach64Screen->agpTextures.size = serverInfo->agpSize;
206 if ( drmMap( sPriv->fd,
207 mach64Screen->agpTextures.handle,
208 mach64Screen->agpTextures.size,
209 (drmAddressPtr)&mach64Screen->agpTextures.map ) ) {
210 drmUnmapBufs( mach64Screen->buffers );
211 drmUnmap( (drmAddress)mach64Screen->mmio.map, mach64Screen->mmio.size );
212 FREE( mach64Screen );
217 mach64Screen->AGPMode = serverInfo->AGPMode;
219 mach64Screen->chipset = serverInfo->chipset;
220 mach64Screen->width = serverInfo->width;
221 mach64Screen->height = serverInfo->height;
222 mach64Screen->mem = serverInfo->mem;
223 mach64Screen->cpp = serverInfo->cpp;
225 mach64Screen->frontOffset = serverInfo->frontOffset;
226 mach64Screen->frontPitch = serverInfo->frontPitch;
227 mach64Screen->backOffset = serverInfo->backOffset;
228 mach64Screen->backPitch = serverInfo->backPitch;
229 mach64Screen->depthOffset = serverInfo->depthOffset;
230 mach64Screen->depthPitch = serverInfo->depthPitch;
232 mach64Screen->texOffset[MACH64_CARD_HEAP] = serverInfo->textureOffset;
233 mach64Screen->texSize[MACH64_CARD_HEAP] = serverInfo->textureSize;
234 mach64Screen->logTexGranularity[MACH64_CARD_HEAP] =
235 serverInfo->logTextureGranularity;
237 if ( mach64Screen->IsPCI ) {
238 mach64Screen->numTexHeaps = MACH64_NR_TEX_HEAPS - 1;
239 mach64Screen->firstTexHeap = MACH64_CARD_HEAP;
240 mach64Screen->texOffset[MACH64_AGP_HEAP] = 0;
241 mach64Screen->texSize[MACH64_AGP_HEAP] = 0;
242 mach64Screen->logTexGranularity[MACH64_AGP_HEAP] = 0;
244 if (serverInfo->textureSize > 0) {
245 mach64Screen->numTexHeaps = MACH64_NR_TEX_HEAPS;
246 mach64Screen->firstTexHeap = MACH64_CARD_HEAP;
248 mach64Screen->numTexHeaps = MACH64_NR_TEX_HEAPS - 1;
249 mach64Screen->firstTexHeap = MACH64_AGP_HEAP;
251 mach64Screen->texOffset[MACH64_AGP_HEAP] = serverInfo->agpTextureOffset;
252 mach64Screen->texSize[MACH64_AGP_HEAP] = serverInfo->agpSize;
253 mach64Screen->logTexGranularity[MACH64_AGP_HEAP] = serverInfo->logAgpTextureGranularity;
256 mach64Screen->driScreen = sPriv;
259 if ( mach64Screen->irq != 0 ) {
260 mach64Screen->extensions[i++] = &driSwapControlExtension.base;
261 mach64Screen->extensions[i++] = &driMediaStreamCounterExtension.base;
263 mach64Screen->extensions[i++] = NULL;
264 sPriv->extensions = mach64Screen->extensions;
269 /* Destroy the device specific screen private data struct.
272 mach64DestroyScreen( __DRIscreen *driScreen )
274 mach64ScreenRec *mach64Screen = (mach64ScreenRec *) driScreen->private;
279 if ( MACH64_DEBUG & DEBUG_VERBOSE_DRI )
280 fprintf( stderr, "%s\n", __FUNCTION__ );
282 if ( !mach64Screen->IsPCI ) {
283 drmUnmap( (drmAddress)mach64Screen->agpTextures.map,
284 mach64Screen->agpTextures.size );
287 drmUnmapBufs( mach64Screen->buffers );
288 drmUnmap( (drmAddress)mach64Screen->mmio.map, mach64Screen->mmio.size );
290 FREE( mach64Screen );
291 driScreen->private = NULL;
295 /* Create and initialize the Mesa and driver specific pixmap buffer
299 mach64CreateBuffer( __DRIscreen *driScrnPriv,
300 __DRIdrawable *driDrawPriv,
301 const struct gl_config *mesaVis,
304 mach64ScreenPtr screen = (mach64ScreenPtr) driScrnPriv->private;
307 return GL_FALSE; /* not implemented */
310 struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis);
313 driRenderbuffer *frontRb
314 = driNewRenderbuffer(MESA_FORMAT_ARGB8888,
317 screen->frontOffset, screen->frontPitch,
319 mach64SetSpanFunctions(frontRb, mesaVis);
320 _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base);
323 if (mesaVis->doubleBufferMode) {
324 driRenderbuffer *backRb
325 = driNewRenderbuffer(MESA_FORMAT_ARGB8888,
328 screen->backOffset, screen->backPitch,
330 mach64SetSpanFunctions(backRb, mesaVis);
331 _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base);
334 if (mesaVis->depthBits == 16) {
335 driRenderbuffer *depthRb
336 = driNewRenderbuffer(MESA_FORMAT_Z16,
338 screen->depthOffset, screen->depthPitch,
340 mach64SetSpanFunctions(depthRb, mesaVis);
341 _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
343 else if (mesaVis->depthBits == 24) {
344 /* XXX I don't think 24-bit Z is supported - so this isn't used */
345 driRenderbuffer *depthRb
346 = driNewRenderbuffer(MESA_FORMAT_Z24_S8,
349 screen->depthOffset, screen->depthPitch,
351 mach64SetSpanFunctions(depthRb, mesaVis);
352 _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
355 _mesa_add_soft_renderbuffers(fb,
356 GL_FALSE, /* color */
357 GL_FALSE, /* depth */
358 mesaVis->stencilBits > 0,
359 mesaVis->accumRedBits > 0,
360 GL_FALSE, /* alpha */
362 driDrawPriv->driverPrivate = (void *) fb;
364 return (driDrawPriv->driverPrivate != NULL);
370 mach64DestroyBuffer(__DRIdrawable *driDrawPriv)
372 _mesa_reference_framebuffer((struct gl_framebuffer **)(&(driDrawPriv->driverPrivate)), NULL);
376 /* Copy the back color buffer to the front color buffer */
378 mach64SwapBuffers(__DRIdrawable *dPriv)
380 if (dPriv->driContextPriv && dPriv->driContextPriv->driverPrivate) {
381 mach64ContextPtr mmesa;
382 struct gl_context *ctx;
383 mmesa = (mach64ContextPtr) dPriv->driContextPriv->driverPrivate;
385 if (ctx->Visual.doubleBufferMode) {
386 _mesa_notifySwapBuffers( ctx ); /* flush pending rendering comands */
387 mach64CopyBuffer( dPriv );
391 /* XXX this shouldn't be an error but we can't handle it for now */
392 _mesa_problem(NULL, "%s: drawable has no context!", __FUNCTION__);
397 /* Initialize the driver specific screen private data.
400 mach64InitDriver( __DRIscreen *driScreen )
402 driScreen->private = (void *) mach64CreateScreen( driScreen );
404 if ( !driScreen->private ) {
405 mach64DestroyScreen( driScreen );
413 * This is the driver specific part of the createNewScreen entry point.
415 * \todo maybe fold this into intelInitDriver
417 * \return the struct gl_config supported by this driver
419 static const __DRIconfig **
420 mach64InitScreen(__DRIscreen *psp)
422 static const __DRIversion ddx_expected = { 6, 4, 0 };
423 static const __DRIversion dri_expected = { 4, 0, 0 };
424 static const __DRIversion drm_expected = { 2, 0, 0 };
425 ATIDRIPtr dri_priv = (ATIDRIPtr) psp->pDevPriv;
427 if ( ! driCheckDriDdxDrmVersions2( "Mach64",
428 &psp->dri_version, & dri_expected,
429 &psp->ddx_version, & ddx_expected,
430 &psp->drm_version, & drm_expected ) ) {
434 if (!mach64InitDriver(psp))
437 return mach64FillInModes( psp, dri_priv->cpp * 8, 16, 0, 1);
440 const struct __DriverAPIRec driDriverAPI = {
441 .InitScreen = mach64InitScreen,
442 .DestroyScreen = mach64DestroyScreen,
443 .CreateContext = mach64CreateContext,
444 .DestroyContext = mach64DestroyContext,
445 .CreateBuffer = mach64CreateBuffer,
446 .DestroyBuffer = mach64DestroyBuffer,
447 .SwapBuffers = mach64SwapBuffers,
448 .MakeCurrent = mach64MakeCurrent,
449 .UnbindContext = mach64UnbindContext,
451 .GetDrawableMSC = driDrawableGetMSC32,
452 .WaitForMSC = driWaitForMSC32,
454 .SwapBuffersMSC = NULL
457 /* This is the table of extensions that the loader will dlsym() for. */
458 PUBLIC const __DRIextension *__driDriverExtensions[] = {
459 &driCoreExtension.base,
460 &driLegacyExtension.base,