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Diffstat (limited to 'src/mesa/drivers/dri/i810/i810screen.c')
-rw-r--r--src/mesa/drivers/dri/i810/i810screen.c361
1 files changed, 361 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i810/i810screen.c b/src/mesa/drivers/dri/i810/i810screen.c
new file mode 100644
index 0000000000..56708c97cb
--- /dev/null
+++ b/src/mesa/drivers/dri/i810/i810screen.c
@@ -0,0 +1,361 @@
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+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 PRECISION INSIGHT 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.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ *
+ */
+
+
+#include "main/glheader.h"
+#include "main/imports.h"
+#include "main/context.h"
+#include "main/framebuffer.h"
+#include "main/renderbuffer.h"
+#include "main/simple_list.h"
+#include "utils.h"
+
+#include "i810screen.h"
+#include "i810_dri.h"
+
+#include "i810state.h"
+#include "i810tex.h"
+#include "i810span.h"
+
+#include "GL/internal/dri_interface.h"
+
+static const __DRIconfig **
+i810FillInModes( __DRIscreen *psp,
+ unsigned pixel_bits, unsigned depth_bits,
+ unsigned stencil_bits, GLboolean have_back_buffer )
+{
+ __DRIconfig **configs;
+ __GLcontextModes * m;
+ unsigned depth_buffer_factor;
+ unsigned back_buffer_factor;
+ unsigned i;
+
+ /* 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 */
+ };
+
+ uint8_t depth_bits_array[2];
+ uint8_t stencil_bits_array[2];
+ uint8_t msaa_samples_array[1];
+
+ depth_bits_array[0] = depth_bits;
+ depth_bits_array[1] = depth_bits;
+
+ /* Just like with the accumulation buffer, always provide some modes
+ * with a stencil buffer. It will be a sw fallback, but some apps won't
+ * care about that.
+ */
+ stencil_bits_array[0] = 0;
+ stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
+
+ msaa_samples_array[0] = 0;
+
+ depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
+ back_buffer_factor = (have_back_buffer) ? 2 : 1;
+
+ configs = driCreateConfigs(GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
+ depth_bits_array, stencil_bits_array,
+ depth_buffer_factor,
+ back_buffer_modes, back_buffer_factor,
+ msaa_samples_array, 1, GL_TRUE);
+ if (configs == NULL) {
+ fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
+ __func__, __LINE__ );
+ return NULL;
+ }
+
+ /* Mark the visual as slow if there are "fake" stencil bits.
+ */
+ for (i = 0; configs[i]; i++) {
+ m = &configs[i]->modes;
+ if ((m->stencilBits != 0) && (m->stencilBits != stencil_bits)) {
+ m->visualRating = GLX_SLOW_CONFIG;
+ }
+ }
+
+ return (const __DRIconfig **) configs;
+}
+
+
+/* static int i810_malloc_proxy_buf(drmBufMapPtr buffers) */
+/* { */
+/* char *buffer; */
+/* drmBufPtr buf; */
+/* int i; */
+
+/* buffer = CALLOC(I810_DMA_BUF_SZ); */
+/* if(buffer == NULL) return -1; */
+/* for(i = 0; i < I810_DMA_BUF_NR; i++) { */
+/* buf = &(buffers->list[i]); */
+/* buf->address = (drmAddress)buffer; */
+/* } */
+/* return 0; */
+/* } */
+
+static drmBufMapPtr i810_create_empty_buffers(void)
+{
+ drmBufMapPtr retval;
+
+ retval = (drmBufMapPtr)_mesa_align_malloc(sizeof(drmBufMap), 32);
+ if(retval == NULL) return NULL;
+ memset(retval, 0, sizeof(drmBufMap));
+ retval->list = (drmBufPtr)_mesa_align_malloc(sizeof(drmBuf) * I810_DMA_BUF_NR, 32);
+ if(retval->list == NULL) {
+ _mesa_align_free(retval);
+ return NULL;
+ }
+ memset(retval->list, 0, sizeof(drmBuf) * I810_DMA_BUF_NR);
+ return retval;
+}
+
+
+static const __DRIconfig **
+i810InitScreen(__DRIscreen *sPriv)
+{
+ static const __DRIversion ddx_expected = { 1, 0, 0 };
+ static const __DRIversion dri_expected = { 4, 0, 0 };
+ static const __DRIversion drm_expected = { 1, 2, 0 };
+ i810ScreenPrivate *i810Screen;
+ I810DRIPtr gDRIPriv = (I810DRIPtr)sPriv->pDevPriv;
+
+ if ( ! driCheckDriDdxDrmVersions2( "i810",
+ &sPriv->dri_version, & dri_expected,
+ &sPriv->ddx_version, & ddx_expected,
+ &sPriv->drm_version, & drm_expected ) ) {
+ return NULL;
+ }
+
+ if (sPriv->devPrivSize != sizeof(I810DRIRec)) {
+ fprintf(stderr,"\nERROR! sizeof(I810DRIRec) does not match passed size from device driver\n");
+ return GL_FALSE;
+ }
+
+ /* Allocate the private area */
+ i810Screen = (i810ScreenPrivate *)CALLOC(sizeof(i810ScreenPrivate));
+ if (!i810Screen) {
+ __driUtilMessage("i810InitDriver: alloc i810ScreenPrivate struct failed");
+ return GL_FALSE;
+ }
+
+ i810Screen->driScrnPriv = sPriv;
+ sPriv->private = (void *)i810Screen;
+
+ i810Screen->deviceID=gDRIPriv->deviceID;
+ i810Screen->width=gDRIPriv->width;
+ i810Screen->height=gDRIPriv->height;
+ i810Screen->mem=gDRIPriv->mem;
+ i810Screen->cpp=gDRIPriv->cpp;
+ i810Screen->fbStride=gDRIPriv->fbStride;
+ i810Screen->fbOffset=gDRIPriv->fbOffset;
+
+ if (gDRIPriv->bitsPerPixel == 15)
+ i810Screen->fbFormat = DV_PF_555;
+ else
+ i810Screen->fbFormat = DV_PF_565;
+
+ i810Screen->backOffset=gDRIPriv->backOffset;
+ i810Screen->depthOffset=gDRIPriv->depthOffset;
+ i810Screen->backPitch = gDRIPriv->auxPitch;
+ i810Screen->backPitchBits = gDRIPriv->auxPitchBits;
+ i810Screen->textureOffset=gDRIPriv->textureOffset;
+ i810Screen->textureSize=gDRIPriv->textureSize;
+ i810Screen->logTextureGranularity = gDRIPriv->logTextureGranularity;
+
+ i810Screen->bufs = i810_create_empty_buffers();
+ if (i810Screen->bufs == NULL) {
+ __driUtilMessage("i810InitDriver: i810_create_empty_buffers() failed");
+ FREE(i810Screen);
+ return GL_FALSE;
+ }
+
+ i810Screen->back.handle = gDRIPriv->backbuffer;
+ i810Screen->back.size = gDRIPriv->backbufferSize;
+
+ if (drmMap(sPriv->fd,
+ i810Screen->back.handle,
+ i810Screen->back.size,
+ (drmAddress *)&i810Screen->back.map) != 0) {
+ FREE(i810Screen);
+ sPriv->private = NULL;
+ __driUtilMessage("i810InitDriver: drmMap failed");
+ return GL_FALSE;
+ }
+
+ i810Screen->depth.handle = gDRIPriv->depthbuffer;
+ i810Screen->depth.size = gDRIPriv->depthbufferSize;
+
+ if (drmMap(sPriv->fd,
+ i810Screen->depth.handle,
+ i810Screen->depth.size,
+ (drmAddress *)&i810Screen->depth.map) != 0) {
+ drmUnmap(i810Screen->back.map, i810Screen->back.size);
+ FREE(i810Screen);
+ sPriv->private = NULL;
+ __driUtilMessage("i810InitDriver: drmMap (2) failed");
+ return GL_FALSE;
+ }
+
+ i810Screen->tex.handle = gDRIPriv->textures;
+ i810Screen->tex.size = gDRIPriv->textureSize;
+
+ if (drmMap(sPriv->fd,
+ i810Screen->tex.handle,
+ i810Screen->tex.size,
+ (drmAddress *)&i810Screen->tex.map) != 0) {
+ drmUnmap(i810Screen->back.map, i810Screen->back.size);
+ drmUnmap(i810Screen->depth.map, i810Screen->depth.size);
+ FREE(i810Screen);
+ sPriv->private = NULL;
+ __driUtilMessage("i810InitDriver: drmMap (3) failed");
+ return GL_FALSE;
+ }
+
+ i810Screen->sarea_priv_offset = gDRIPriv->sarea_priv_offset;
+
+ return i810FillInModes(sPriv, 16, 16, 0, 1);
+}
+
+static void
+i810DestroyScreen(__DRIscreen *sPriv)
+{
+ i810ScreenPrivate *i810Screen = (i810ScreenPrivate *)sPriv->private;
+
+ /* Need to unmap all the bufs and maps here:
+ */
+ drmUnmap(i810Screen->back.map, i810Screen->back.size);
+ drmUnmap(i810Screen->depth.map, i810Screen->depth.size);
+ drmUnmap(i810Screen->tex.map, i810Screen->tex.size);
+
+ FREE(i810Screen);
+ sPriv->private = NULL;
+}
+
+
+/**
+ * Create a buffer which corresponds to the window.
+ */
+static GLboolean
+i810CreateBuffer( __DRIscreen *driScrnPriv,
+ __DRIdrawable *driDrawPriv,
+ const __GLcontextModes *mesaVis,
+ GLboolean isPixmap )
+{
+ i810ScreenPrivate *screen = (i810ScreenPrivate *) driScrnPriv->private;
+
+ if (isPixmap) {
+ return GL_FALSE; /* not implemented */
+ }
+ else {
+ struct gl_framebuffer *fb = _mesa_create_framebuffer(mesaVis);
+
+ {
+ driRenderbuffer *frontRb
+ = driNewRenderbuffer(MESA_FORMAT_ARGB8888,
+ driScrnPriv->pFB,
+ screen->cpp,
+ /*screen->frontOffset*/0, screen->backPitch,
+ driDrawPriv);
+ i810SetSpanFunctions(frontRb, mesaVis);
+ _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &frontRb->Base);
+ }
+
+ if (mesaVis->doubleBufferMode) {
+ driRenderbuffer *backRb
+ = driNewRenderbuffer(MESA_FORMAT_ARGB8888,
+ screen->back.map,
+ screen->cpp,
+ screen->backOffset, screen->backPitch,
+ driDrawPriv);
+ i810SetSpanFunctions(backRb, mesaVis);
+ _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &backRb->Base);
+ }
+
+ if (mesaVis->depthBits == 16) {
+ driRenderbuffer *depthRb
+ = driNewRenderbuffer(MESA_FORMAT_Z16,
+ screen->depth.map,
+ screen->cpp,
+ screen->depthOffset, screen->backPitch,
+ driDrawPriv);
+ i810SetSpanFunctions(depthRb, mesaVis);
+ _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base);
+ }
+
+ _mesa_add_soft_renderbuffers(fb,
+ GL_FALSE, /* color */
+ GL_FALSE, /* depth */
+ mesaVis->stencilBits > 0,
+ mesaVis->accumRedBits > 0,
+ GL_FALSE, /* alpha */
+ GL_FALSE /* aux */);
+ driDrawPriv->driverPrivate = (void *) fb;
+
+ return (driDrawPriv->driverPrivate != NULL);
+ }
+}
+
+
+static void
+i810DestroyBuffer(__DRIdrawable *driDrawPriv)
+{
+ _mesa_reference_framebuffer((GLframebuffer **)(&(driDrawPriv->driverPrivate)), NULL);
+}
+
+const struct __DriverAPIRec driDriverAPI = {
+ .InitScreen = i810InitScreen,
+ .DestroyScreen = i810DestroyScreen,
+ .CreateContext = i810CreateContext,
+ .DestroyContext = i810DestroyContext,
+ .CreateBuffer = i810CreateBuffer,
+ .DestroyBuffer = i810DestroyBuffer,
+ .SwapBuffers = i810SwapBuffers,
+ .MakeCurrent = i810MakeCurrent,
+ .UnbindContext = i810UnbindContext,
+ .GetSwapInfo = NULL,
+ .GetDrawableMSC = NULL,
+ .WaitForMSC = NULL,
+ .WaitForSBC = NULL,
+ .SwapBuffersMSC = NULL
+};
+
+/* This is the table of extensions that the loader will dlsym() for. */
+PUBLIC const __DRIextension *__driDriverExtensions[] = {
+ &driCoreExtension.base,
+ &driLegacyExtension.base,
+ NULL
+};
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