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Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_screen.c')
-rw-r--r--src/mesa/drivers/dri/nouveau/nouveau_screen.c369
1 files changed, 369 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_screen.c b/src/mesa/drivers/dri/nouveau/nouveau_screen.c
new file mode 100644
index 0000000000..0e3901cfca
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nouveau_screen.c
@@ -0,0 +1,369 @@
+/**************************************************************************
+
+Copyright 2006 Stephane Marchesin
+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
+on 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
+ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP 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 "glheader.h"
+#include "imports.h"
+#include "mtypes.h"
+#include "framebuffer.h"
+#include "renderbuffer.h"
+
+#include "nouveau_context.h"
+#include "nouveau_screen.h"
+#include "nouveau_object.h"
+#include "nouveau_span.h"
+
+#include "utils.h"
+#include "context.h"
+#include "vblank.h"
+#include "drirenderbuffer.h"
+
+#include "GL/internal/dri_interface.h"
+
+#include "xmlpool.h"
+
+PUBLIC const char __driConfigOptions[] =
+DRI_CONF_BEGIN
+ DRI_CONF_SECTION_DEBUG
+ DRI_CONF_NO_RAST(false)
+ DRI_CONF_SECTION_END
+DRI_CONF_END;
+static const GLuint __driNConfigOptions = 1;
+
+extern const struct dri_extension common_extensions[];
+extern const struct dri_extension nv10_extensions[];
+extern const struct dri_extension nv20_extensions[];
+extern const struct dri_extension nv30_extensions[];
+extern const struct dri_extension nv40_extensions[];
+extern const struct dri_extension nv50_extensions[];
+
+static nouveauScreenPtr nouveauCreateScreen(__DRIscreenPrivate *sPriv)
+{
+ nouveauScreenPtr screen;
+ NOUVEAUDRIPtr dri_priv=(NOUVEAUDRIPtr)sPriv->pDevPriv;
+
+ /* allocate screen */
+ screen = (nouveauScreenPtr) CALLOC( sizeof(*screen) );
+ if ( !screen ) {
+ __driUtilMessage("%s: Could not allocate memory for screen structure",__FUNCTION__);
+ return NULL;
+ }
+
+ /* parse information in __driConfigOptions */
+ driParseOptionInfo (&screen->optionCache,__driConfigOptions, __driNConfigOptions);
+
+ screen->fbFormat = dri_priv->bpp / 8;
+ screen->frontOffset = dri_priv->front_offset;
+ screen->frontPitch = dri_priv->front_pitch;
+ screen->backOffset = dri_priv->back_offset;
+ screen->backPitch = dri_priv->back_pitch;
+ screen->depthOffset = dri_priv->depth_offset;
+ screen->depthPitch = dri_priv->depth_pitch;
+
+ screen->card=nouveau_card_lookup(dri_priv->device_id);
+ screen->driScreen = sPriv;
+ return screen;
+}
+
+static void
+nouveauDestroyScreen(__DRIscreenPrivate *sPriv)
+{
+ nouveauScreenPtr screen = (nouveauScreenPtr)sPriv->private;
+
+ if (!screen) return;
+
+ /* free all option information */
+ driDestroyOptionInfo (&screen->optionCache);
+
+ FREE(screen);
+ sPriv->private = NULL;
+}
+
+static GLboolean nouveauInitDriver(__DRIscreenPrivate *sPriv)
+{
+ sPriv->private = (void *) nouveauCreateScreen( sPriv );
+ if ( !sPriv->private ) {
+ nouveauDestroyScreen( sPriv );
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+/**
+ * Create the Mesa framebuffer and renderbuffers for a given window/drawable.
+ *
+ * \todo This function (and its interface) will need to be updated to support
+ * pbuffers.
+ */
+static GLboolean
+nouveauCreateBuffer(__DRIscreenPrivate *driScrnPriv,
+ __DRIdrawablePrivate *driDrawPriv,
+ const __GLcontextModes *mesaVis,
+ GLboolean isPixmap)
+{
+ nouveauScreenPtr screen = (nouveauScreenPtr) driScrnPriv->private;
+ nouveau_renderbuffer *nrb;
+ struct gl_framebuffer *fb;
+ const GLboolean swAccum = mesaVis->accumRedBits > 0;
+ const GLboolean swStencil = mesaVis->stencilBits > 0 && mesaVis->depthBits != 24;
+ GLenum color_format = screen->fbFormat == 4 ? GL_RGBA8 : GL_RGB5;
+
+ if (isPixmap)
+ return GL_FALSE; /* not implemented */
+
+ fb = _mesa_create_framebuffer(mesaVis);
+ if (!fb)
+ return GL_FALSE;
+
+ /* Front buffer */
+ nrb = nouveau_renderbuffer_new(color_format,
+ driScrnPriv->pFB + screen->frontOffset,
+ screen->frontOffset,
+ screen->frontPitch * screen->fbFormat,
+ driDrawPriv);
+ nouveauSpanSetFunctions(nrb, mesaVis);
+ _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &nrb->mesa);
+
+ if (0 /* unified buffers if we choose to support them.. */) {
+ } else {
+ if (mesaVis->doubleBufferMode) {
+ nrb = nouveau_renderbuffer_new(color_format, NULL,
+ 0, 0,
+ NULL);
+ nouveauSpanSetFunctions(nrb, mesaVis);
+ _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &nrb->mesa);
+ }
+
+ if (mesaVis->depthBits == 24 && mesaVis->stencilBits == 8) {
+ nrb = nouveau_renderbuffer_new(GL_DEPTH24_STENCIL8_EXT, NULL,
+ 0, 0,
+ NULL);
+ nouveauSpanSetFunctions(nrb, mesaVis);
+ _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &nrb->mesa);
+ _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &nrb->mesa);
+ } else if (mesaVis->depthBits == 24) {
+ nrb = nouveau_renderbuffer_new(GL_DEPTH_COMPONENT24, NULL,
+ 0, 0,
+ NULL);
+ nouveauSpanSetFunctions(nrb, mesaVis);
+ _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &nrb->mesa);
+ } else if (mesaVis->depthBits == 16) {
+ nrb = nouveau_renderbuffer_new(GL_DEPTH_COMPONENT16, NULL,
+ 0, 0,
+ NULL);
+ nouveauSpanSetFunctions(nrb, mesaVis);
+ _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &nrb->mesa);
+ }
+ }
+
+ _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
+nouveauDestroyBuffer(__DRIdrawablePrivate *driDrawPriv)
+{
+ _mesa_destroy_framebuffer((GLframebuffer *) (driDrawPriv->driverPrivate));
+}
+
+static int
+nouveauGetSwapInfo(__DRIdrawablePrivate *dpriv, __DRIswapInfo *sInfo)
+{
+ return -1;
+}
+
+static const struct __DriverAPIRec nouveauAPI = {
+ .InitDriver = nouveauInitDriver,
+ .DestroyScreen = nouveauDestroyScreen,
+ .CreateContext = nouveauCreateContext,
+ .DestroyContext = nouveauDestroyContext,
+ .CreateBuffer = nouveauCreateBuffer,
+ .DestroyBuffer = nouveauDestroyBuffer,
+ .SwapBuffers = nouveauSwapBuffers,
+ .MakeCurrent = nouveauMakeCurrent,
+ .UnbindContext = nouveauUnbindContext,
+ .GetSwapInfo = nouveauGetSwapInfo,
+ .GetMSC = driGetMSC32,
+ .WaitForMSC = driWaitForMSC32,
+ .WaitForSBC = NULL,
+ .SwapBuffersMSC = NULL,
+ .CopySubBuffer = nouveauCopySubBuffer
+};
+
+
+static __GLcontextModes *
+nouveauFillInModes( unsigned pixel_bits, unsigned depth_bits,
+ unsigned stencil_bits, GLboolean have_back_buffer )
+{
+ __GLcontextModes * modes;
+ __GLcontextModes * m;
+ unsigned num_modes;
+ unsigned depth_buffer_factor;
+ unsigned back_buffer_factor;
+ int i;
+
+ static const struct {
+ GLenum format;
+ GLenum type;
+ } fb_format_array[] = {
+ { GL_RGB , GL_UNSIGNED_SHORT_5_6_5 },
+ { GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV },
+ { GL_BGR , GL_UNSIGNED_INT_8_8_8_8_REV },
+ };
+
+ /* GLX_SWAP_COPY_OML is only supported because the Intel driver doesn't
+ * support pageflipping at all.
+ */
+ static const GLenum back_buffer_modes[] = {
+ GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
+ };
+
+ u_int8_t depth_bits_array[4] = { 0, 16, 24, 24 };
+ u_int8_t stencil_bits_array[4] = { 0, 0, 0, 8 };
+
+ depth_buffer_factor = 4;
+ back_buffer_factor = (have_back_buffer) ? 3 : 1;
+
+ num_modes = ((pixel_bits==16) ? 1 : 2) *
+ depth_buffer_factor * back_buffer_factor * 4;
+ modes = (*dri_interface->createContextModes)(num_modes,
+ sizeof(__GLcontextModes));
+ m = modes;
+
+ for (i=((pixel_bits==16)?0:1);i<((pixel_bits==16)?1:3);i++) {
+ if (!driFillInModes(&m, fb_format_array[i].format,
+ fb_format_array[i].type,
+ depth_bits_array,
+ stencil_bits_array,
+ depth_buffer_factor,
+ back_buffer_modes,
+ back_buffer_factor,
+ GLX_TRUE_COLOR)) {
+ fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
+ __func__, __LINE__ );
+ return NULL;
+ }
+
+ if (!driFillInModes(&m, fb_format_array[i].format,
+ fb_format_array[i].type,
+ depth_bits_array,
+ stencil_bits_array,
+ depth_buffer_factor,
+ back_buffer_modes,
+ back_buffer_factor,
+ GLX_DIRECT_COLOR)) {
+ fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
+ __func__, __LINE__ );
+ return NULL;
+ }
+ }
+
+ return modes;
+}
+
+
+/**
+ * This is the bootstrap function for the driver. libGL supplies all of the
+ * requisite information about the system, and the driver initializes itself.
+ * This routine also fills in the linked list pointed to by \c driver_modes
+ * with the \c __GLcontextModes that the driver can support for windows or
+ * pbuffers.
+ *
+ * \return A pointer to a \c __DRIscreenPrivate on success, or \c NULL on
+ * failure.
+ */
+PUBLIC
+void * __driCreateNewScreen_20050727( __DRInativeDisplay *dpy, int scrn, __DRIscreen *psc,
+ const __GLcontextModes * modes,
+ const __DRIversion * ddx_version,
+ const __DRIversion * dri_version,
+ const __DRIversion * drm_version,
+ const __DRIframebuffer * frame_buffer,
+ drmAddress pSAREA, int fd,
+ int internal_api_version,
+ const __DRIinterfaceMethods * interface,
+ __GLcontextModes ** driver_modes)
+
+{
+ __DRIscreenPrivate *psp;
+ static const __DRIversion ddx_expected = { 1, 2, 0 };
+ static const __DRIversion dri_expected = { 4, 0, 0 };
+ static const __DRIversion drm_expected = { 0, 0, 2 };
+
+ dri_interface = interface;
+
+ if (!driCheckDriDdxDrmVersions2("nouveau",
+ dri_version, & dri_expected,
+ ddx_version, & ddx_expected,
+ drm_version, & drm_expected)) {
+ return NULL;
+ }
+
+ // temporary lock step versioning
+ if (drm_expected.patch!=drm_version->patch)
+ return NULL;
+
+ psp = __driUtilCreateNewScreen(dpy, scrn, psc, NULL,
+ ddx_version, dri_version, drm_version,
+ frame_buffer, pSAREA, fd,
+ internal_api_version, &nouveauAPI);
+ if ( psp != NULL ) {
+ NOUVEAUDRIPtr dri_priv = (NOUVEAUDRIPtr)psp->pDevPriv;
+
+ *driver_modes = nouveauFillInModes(dri_priv->bpp,
+ (dri_priv->bpp == 16) ? 16 : 24,
+ (dri_priv->bpp == 16) ? 0 : 8,
+ 1
+ );
+
+ /* 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, common_extensions, GL_FALSE );
+ driInitExtensions( NULL, nv10_extensions, GL_FALSE );
+ driInitExtensions( NULL, nv10_extensions, GL_FALSE );
+ driInitExtensions( NULL, nv30_extensions, GL_FALSE );
+ driInitExtensions( NULL, nv40_extensions, GL_FALSE );
+ driInitExtensions( NULL, nv50_extensions, GL_FALSE );
+ }
+
+ return (void *) psp;
+}
+
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