| /* |
| * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. |
| * Copyright 2001-2003 S3 Graphics, Inc. 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, sub license, |
| * 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 NON-INFRINGEMENT. IN NO EVENT SHALL |
| * VIA, S3 GRAPHICS, 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 <stdio.h> |
| |
| #include "dri_util.h" |
| #include "utils.h" |
| #include "glheader.h" |
| #include "context.h" |
| #include "framebuffer.h" |
| #include "renderbuffer.h" |
| #include "matrix.h" |
| #include "simple_list.h" |
| #include "vblank.h" |
| |
| #include "via_state.h" |
| #include "via_tex.h" |
| #include "via_span.h" |
| #include "via_tris.h" |
| #include "via_ioctl.h" |
| #include "via_screen.h" |
| #include "via_fb.h" |
| #include "via_dri.h" |
| |
| #include "GL/internal/dri_interface.h" |
| #include "drirenderbuffer.h" |
| |
| #include "xmlpool.h" |
| |
| PUBLIC const char __driConfigOptions[] = |
| DRI_CONF_BEGIN |
| DRI_CONF_SECTION_PERFORMANCE |
| DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0) |
| DRI_CONF_SECTION_END |
| DRI_CONF_SECTION_QUALITY |
| DRI_CONF_EXCESS_MIPMAP(false) |
| DRI_CONF_SECTION_END |
| DRI_CONF_SECTION_DEBUG |
| DRI_CONF_NO_RAST(false) |
| DRI_CONF_SECTION_END |
| DRI_CONF_END; |
| static const GLuint __driNConfigOptions = 3; |
| |
| extern const struct dri_extension card_extensions[]; |
| |
| static drmBufMapPtr via_create_empty_buffers(void) |
| { |
| drmBufMapPtr retval; |
| |
| retval = (drmBufMapPtr)MALLOC(sizeof(drmBufMap)); |
| if (retval == NULL) return NULL; |
| memset(retval, 0, sizeof(drmBufMap)); |
| |
| retval->list = (drmBufPtr)MALLOC(sizeof(drmBuf) * VIA_DMA_BUF_NR); |
| if (retval->list == NULL) { |
| FREE(retval); |
| return NULL; |
| } |
| memset(retval->list, 0, sizeof(drmBuf) * VIA_DMA_BUF_NR); |
| return retval; |
| } |
| |
| static void via_free_empty_buffers( drmBufMapPtr bufs ) |
| { |
| if (bufs && bufs->list) |
| FREE(bufs->list); |
| |
| if (bufs) |
| FREE(bufs); |
| } |
| |
| |
| static GLboolean |
| viaInitDriver(__DRIscreenPrivate *sPriv) |
| { |
| viaScreenPrivate *viaScreen; |
| VIADRIPtr gDRIPriv = (VIADRIPtr)sPriv->pDevPriv; |
| int i; |
| |
| if (sPriv->devPrivSize != sizeof(VIADRIRec)) { |
| fprintf(stderr,"\nERROR! sizeof(VIADRIRec) does not match passed size from device driver\n"); |
| return GL_FALSE; |
| } |
| |
| /* Allocate the private area */ |
| viaScreen = (viaScreenPrivate *) CALLOC(sizeof(viaScreenPrivate)); |
| if (!viaScreen) { |
| __driUtilMessage("viaInitDriver: alloc viaScreenPrivate struct failed"); |
| return GL_FALSE; |
| } |
| |
| /* parse information in __driConfigOptions */ |
| driParseOptionInfo (&viaScreen->optionCache, |
| __driConfigOptions, __driNConfigOptions); |
| |
| |
| viaScreen->driScrnPriv = sPriv; |
| sPriv->private = (void *)viaScreen; |
| |
| viaScreen->deviceID = gDRIPriv->deviceID; |
| viaScreen->width = gDRIPriv->width; |
| viaScreen->height = gDRIPriv->height; |
| viaScreen->mem = gDRIPriv->mem; |
| viaScreen->bitsPerPixel = gDRIPriv->bytesPerPixel * 8; |
| viaScreen->bytesPerPixel = gDRIPriv->bytesPerPixel; |
| viaScreen->fbOffset = 0; |
| viaScreen->fbSize = gDRIPriv->fbSize; |
| viaScreen->irqEnabled = gDRIPriv->irqEnabled; |
| |
| if (VIA_DEBUG & DEBUG_DRI) { |
| fprintf(stderr, "deviceID = %08x\n", viaScreen->deviceID); |
| fprintf(stderr, "width = %08x\n", viaScreen->width); |
| fprintf(stderr, "height = %08x\n", viaScreen->height); |
| fprintf(stderr, "cpp = %08x\n", viaScreen->cpp); |
| fprintf(stderr, "fbOffset = %08x\n", viaScreen->fbOffset); |
| } |
| |
| viaScreen->bufs = via_create_empty_buffers(); |
| if (viaScreen->bufs == NULL) { |
| __driUtilMessage("viaInitDriver: via_create_empty_buffers() failed"); |
| FREE(viaScreen); |
| return GL_FALSE; |
| } |
| |
| if (drmMap(sPriv->fd, |
| gDRIPriv->regs.handle, |
| gDRIPriv->regs.size, |
| &viaScreen->reg) != 0) { |
| FREE(viaScreen); |
| sPriv->private = NULL; |
| __driUtilMessage("viaInitDriver: drmMap regs failed"); |
| return GL_FALSE; |
| } |
| |
| if (gDRIPriv->agp.size) { |
| if (drmMap(sPriv->fd, |
| gDRIPriv->agp.handle, |
| gDRIPriv->agp.size, |
| (drmAddress *)&viaScreen->agpLinearStart) != 0) { |
| drmUnmap(viaScreen->reg, gDRIPriv->regs.size); |
| FREE(viaScreen); |
| sPriv->private = NULL; |
| __driUtilMessage("viaInitDriver: drmMap agp failed"); |
| return GL_FALSE; |
| } |
| |
| viaScreen->agpBase = drmAgpBase(sPriv->fd); |
| } else |
| viaScreen->agpLinearStart = 0; |
| |
| viaScreen->sareaPrivOffset = gDRIPriv->sarea_priv_offset; |
| |
| i = 0; |
| viaScreen->extensions[i++] = &driFrameTrackingExtension.base; |
| viaScreen->extensions[i++] = &driReadDrawableExtension; |
| if ( viaScreen->irqEnabled ) { |
| viaScreen->extensions[i++] = &driSwapControlExtension.base; |
| viaScreen->extensions[i++] = &driMediaStreamCounterExtension.base; |
| } |
| |
| viaScreen->extensions[i++] = NULL; |
| sPriv->extensions = viaScreen->extensions; |
| |
| return GL_TRUE; |
| } |
| |
| static void |
| viaDestroyScreen(__DRIscreenPrivate *sPriv) |
| { |
| viaScreenPrivate *viaScreen = (viaScreenPrivate *)sPriv->private; |
| VIADRIPtr gDRIPriv = (VIADRIPtr)sPriv->pDevPriv; |
| |
| drmUnmap(viaScreen->reg, gDRIPriv->regs.size); |
| if (gDRIPriv->agp.size) |
| drmUnmap(viaScreen->agpLinearStart, gDRIPriv->agp.size); |
| |
| via_free_empty_buffers(viaScreen->bufs); |
| |
| driDestroyOptionInfo(&viaScreen->optionCache); |
| |
| FREE(viaScreen); |
| sPriv->private = NULL; |
| } |
| |
| |
| static GLboolean |
| viaCreateBuffer(__DRIscreenPrivate *driScrnPriv, |
| __DRIdrawablePrivate *driDrawPriv, |
| const __GLcontextModes *mesaVis, |
| GLboolean isPixmap) |
| { |
| viaScreenPrivate *screen = (viaScreenPrivate *) driScrnPriv->private; |
| |
| GLboolean swStencil = (mesaVis->stencilBits > 0 && |
| mesaVis->depthBits != 24); |
| GLboolean swAccum = mesaVis->accumRedBits > 0; |
| |
| if (isPixmap) { |
| /* KW: This needs work, disabled for now: |
| */ |
| #if 0 |
| driDrawPriv->driverPrivate = (void *) |
| _mesa_create_framebuffer(mesaVis, |
| GL_FALSE, /* software depth buffer? */ |
| swStencil, |
| mesaVis->accumRedBits > 0, |
| GL_FALSE /* s/w alpha planes */); |
| |
| return (driDrawPriv->driverPrivate != NULL); |
| #endif |
| return GL_FALSE; |
| } |
| else { |
| struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis); |
| |
| /* The front color, back color and depth renderbuffers are |
| * set up later in calculate_buffer_parameters(). |
| * Only create/connect software-based buffers here. |
| */ |
| |
| #if 000 |
| /* This code _should_ be put to use. We have to move the |
| * viaRenderbuffer members out of the via_context structure. |
| * Those members should just be the renderbuffers hanging off the |
| * gl_framebuffer object. |
| */ |
| /* XXX check/fix the offset/pitch parameters! */ |
| { |
| driRenderbuffer *frontRb |
| = driNewRenderbuffer(GL_RGBA, NULL, |
| screen->bytesPerPixel, |
| 0, screen->width, driDrawPriv); |
| viaSetSpanFunctions(frontRb, mesaVis); |
| _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base); |
| } |
| |
| if (mesaVis->doubleBufferMode) { |
| driRenderbuffer *backRb |
| = driNewRenderbuffer(GL_RGBA, NULL, |
| screen->bytesPerPixel, |
| 0, screen->width, driDrawPriv); |
| viaSetSpanFunctions(backRb, mesaVis); |
| _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base); |
| } |
| |
| if (mesaVis->depthBits == 16) { |
| driRenderbuffer *depthRb |
| = driNewRenderbuffer(GL_DEPTH_COMPONENT16, NULL, |
| screen->bytesPerPixel, |
| 0, screen->width, driDrawPriv); |
| viaSetSpanFunctions(depthRb, mesaVis); |
| _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); |
| } |
| else if (mesaVis->depthBits == 24) { |
| driRenderbuffer *depthRb |
| = driNewRenderbuffer(GL_DEPTH_COMPONENT24, NULL, |
| screen->bytesPerPixel, |
| 0, screen->width, driDrawPriv); |
| viaSetSpanFunctions(depthRb, mesaVis); |
| _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); |
| } |
| else if (mesaVis->depthBits == 32) { |
| driRenderbuffer *depthRb |
| = driNewRenderbuffer(GL_DEPTH_COMPONENT32, NULL, |
| screen->bytesPerPixel, |
| 0, screen->width, driDrawPriv); |
| viaSetSpanFunctions(depthRb, mesaVis); |
| _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); |
| } |
| |
| if (mesaVis->stencilBits > 0 && !swStencil) { |
| driRenderbuffer *stencilRb |
| = driNewRenderbuffer(GL_STENCIL_INDEX8_EXT, NULL, |
| screen->bytesPerPixel, |
| 0, screen->width, driDrawPriv); |
| viaSetSpanFunctions(stencilRb, mesaVis); |
| _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &stencilRb->Base); |
| } |
| #endif |
| |
| _mesa_add_soft_renderbuffers(fb, |
| GL_FALSE, /* color */ |
| GL_FALSE, /* depth */ |
| swStencil, |
| swAccum, |
| GL_FALSE, /* alpha */ |
| GL_FALSE /* aux */); |
| driDrawPriv->driverPrivate = (void *) fb; |
| |
| return (driDrawPriv->driverPrivate != NULL); |
| } |
| } |
| |
| |
| static void |
| viaDestroyBuffer(__DRIdrawablePrivate *driDrawPriv) |
| { |
| _mesa_unreference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate))); |
| } |
| |
| static const __DRIconfig ** |
| viaFillInModes( __DRIscreenPrivate *psp, |
| unsigned pixel_bits, GLboolean have_back_buffer ) |
| { |
| __DRIconfig **configs; |
| const unsigned back_buffer_factor = (have_back_buffer) ? 2 : 1; |
| GLenum fb_format; |
| GLenum fb_type; |
| |
| /* Right now GLX_SWAP_COPY_OML isn't supported, but it would be easy |
| * enough to add support. Basically, if a context is created with an |
| * fbconfig where the swap method is GLX_SWAP_COPY_OML, pageflipping |
| * will never be used. |
| */ |
| static const GLenum back_buffer_modes[] = { |
| GLX_NONE, GLX_SWAP_UNDEFINED_OML /*, GLX_SWAP_COPY_OML */ |
| }; |
| |
| /* The 32-bit depth-buffer mode isn't supported yet, so don't actually |
| * enable it. |
| */ |
| static const u_int8_t depth_bits_array[4] = { 0, 16, 24, 32 }; |
| static const u_int8_t stencil_bits_array[4] = { 0, 0, 8, 0 }; |
| const unsigned depth_buffer_factor = 3; |
| |
| if ( pixel_bits == 16 ) { |
| fb_format = GL_RGB; |
| fb_type = GL_UNSIGNED_SHORT_5_6_5; |
| } |
| else { |
| fb_format = GL_BGRA; |
| fb_type = GL_UNSIGNED_INT_8_8_8_8_REV; |
| } |
| |
| configs = driCreateConfigs(fb_format, fb_type, |
| depth_bits_array, stencil_bits_array, |
| depth_buffer_factor, back_buffer_modes, |
| back_buffer_factor); |
| if (configs == NULL) { |
| fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__, |
| __LINE__); |
| return NULL; |
| } |
| |
| return (const __DRIconfig **) configs; |
| } |
| |
| |
| /** |
| * This is the driver specific part of the createNewScreen entry point. |
| * |
| * \todo maybe fold this into intelInitDriver |
| * |
| * \return the __GLcontextModes supported by this driver |
| */ |
| static const __DRIconfig ** |
| viaInitScreen(__DRIscreenPrivate *psp) |
| { |
| static const __DRIversion ddx_expected = { VIA_DRIDDX_VERSION_MAJOR, |
| VIA_DRIDDX_VERSION_MINOR, |
| VIA_DRIDDX_VERSION_PATCH }; |
| static const __DRIversion dri_expected = { 4, 0, 0 }; |
| static const __DRIversion drm_expected = { 2, 3, 0 }; |
| static const char *driver_name = "Unichrome"; |
| VIADRIPtr dri_priv = (VIADRIPtr) psp->pDevPriv; |
| |
| if ( ! driCheckDriDdxDrmVersions2( driver_name, |
| &psp->dri_version, & dri_expected, |
| &psp->ddx_version, & ddx_expected, |
| &psp->drm_version, & drm_expected) ) |
| return NULL; |
| |
| /* Calling driInitExtensions here, with a NULL context pointer, |
| * does not actually enable the extensions. It just makes sure |
| * that all the dispatch offsets for all the extensions that |
| * *might* be enables are known. This is needed because the |
| * dispatch offsets need to be known when _mesa_context_create is |
| * called, but we can't enable the extensions until we have a |
| * context pointer. |
| * |
| * Hello chicken. Hello egg. How are you two today? |
| */ |
| driInitExtensions( NULL, card_extensions, GL_FALSE ); |
| |
| if (!viaInitDriver(psp)) |
| return NULL; |
| |
| return viaFillInModes( psp, dri_priv->bytesPerPixel * 8, GL_TRUE ); |
| |
| } |
| |
| |
| /** |
| * Get information about previous buffer swaps. |
| */ |
| static int |
| getSwapInfo( __DRIdrawablePrivate *dPriv, __DRIswapInfo * sInfo ) |
| { |
| struct via_context *vmesa; |
| |
| if ( (dPriv == NULL) || (dPriv->driContextPriv == NULL) |
| || (dPriv->driContextPriv->driverPrivate == NULL) |
| || (sInfo == NULL) ) { |
| return -1; |
| } |
| |
| vmesa = (struct via_context *) dPriv->driContextPriv->driverPrivate; |
| sInfo->swap_count = vmesa->swap_count; |
| sInfo->swap_ust = vmesa->swap_ust; |
| sInfo->swap_missed_count = vmesa->swap_missed_count; |
| |
| sInfo->swap_missed_usage = (sInfo->swap_missed_count != 0) |
| ? driCalculateSwapUsage( dPriv, 0, vmesa->swap_missed_ust ) |
| : 0.0; |
| |
| return 0; |
| } |
| |
| const struct __DriverAPIRec driDriverAPI = { |
| .InitScreen = viaInitScreen, |
| .DestroyScreen = viaDestroyScreen, |
| .CreateContext = viaCreateContext, |
| .DestroyContext = viaDestroyContext, |
| .CreateBuffer = viaCreateBuffer, |
| .DestroyBuffer = viaDestroyBuffer, |
| .SwapBuffers = viaSwapBuffers, |
| .MakeCurrent = viaMakeCurrent, |
| .UnbindContext = viaUnbindContext, |
| .GetSwapInfo = getSwapInfo, |
| .GetDrawableMSC = driDrawableGetMSC32, |
| .WaitForMSC = driWaitForMSC32, |
| .WaitForSBC = NULL, |
| .SwapBuffersMSC = NULL |
| }; |
