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path: root/src/mesa/drivers/dri/r300/r300_texmem.c
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Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_texmem.c')
-rw-r--r--src/mesa/drivers/dri/r300/r300_texmem.c490
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diff --git a/src/mesa/drivers/dri/r300/r300_texmem.c b/src/mesa/drivers/dri/r300/r300_texmem.c
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index 00000000000..78c077fa40f
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+++ b/src/mesa/drivers/dri/r300/r300_texmem.c
@@ -0,0 +1,490 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/r300/r300_texmem.c,v 1.5 2002/12/17 00:32:56 dawes Exp $ */
+/**************************************************************************
+
+Copyright (C) Tungsten Graphics 2002. All Rights Reserved.
+The Weather Channel, Inc. funded Tungsten Graphics to develop the
+initial release of the Radeon 8500 driver under the XFree86
+license. This notice must be preserved.
+
+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 ATI, VA LINUX SYSTEMS AND/OR THEIR
+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:
+ * Kevin E. Martin <martin@valinux.com>
+ * Gareth Hughes <gareth@valinux.com>
+ *
+ */
+
+#include <errno.h>
+
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "colormac.h"
+#include "macros.h"
+#include "simple_list.h"
+#include "radeon_reg.h" /* gets definition for usleep */
+#include "r300_context.h"
+#include "r300_state.h"
+#include "radeon_ioctl.h"
+/*
+#include "r300_swtcl.h"
+*/
+#include "r300_tex.h"
+
+#include <unistd.h> /* for usleep() */
+
+/**
+ * Destroy any device-dependent state associated with the texture. This may
+ * include NULLing out hardware state that points to the texture.
+ */
+void r300DestroyTexObj(r300ContextPtr rmesa, r300TexObjPtr t)
+{
+ if (RADEON_DEBUG & DEBUG_TEXTURE) {
+ fprintf(stderr, "%s( %p, %p )\n", __FUNCTION__,
+ (void *)t, (void *)t->base.tObj);
+ }
+
+ if (rmesa != NULL) {
+ unsigned i;
+
+ for (i = 0; i < rmesa->radeon.glCtx->Const.MaxTextureUnits; i++) {
+ if (t == rmesa->state.texture.unit[i].texobj) {
+ rmesa->state.texture.unit[i].texobj = NULL;
+ /* This code below is meant to shorten state
+ pushed to the hardware by not programming
+ unneeded units.
+
+ This does not appear to be worthwhile on R300 */
+ #if 0
+ remove_from_list(&rmesa->hw.tex[i]);
+ make_empty_list(&rmesa->hw.tex[i]);
+ remove_from_list(&rmesa->hw.cube[i]);
+ make_empty_list(&rmesa->hw.cube[i]);
+ #endif
+ }
+ }
+ }
+}
+
+/* ------------------------------------------------------------
+ * Texture image conversions
+ */
+
+static void r300UploadGARTClientSubImage(r300ContextPtr rmesa,
+ r300TexObjPtr t,
+ struct gl_texture_image *texImage,
+ GLint hwlevel,
+ GLint x, GLint y,
+ GLint width, GLint height)
+{
+ const struct gl_texture_format *texFormat = texImage->TexFormat;
+ GLuint srcPitch, dstPitch;
+ int blit_format;
+ int srcOffset;
+
+ /*
+ * XXX it appears that we always upload the full image, not a subimage.
+ * I.e. x==0, y==0, width=texWidth, height=texWidth. If this is ever
+ * changed, the src pitch will have to change.
+ */
+ switch (texFormat->TexelBytes) {
+ case 1:
+ blit_format = R200_CP_COLOR_FORMAT_CI8;
+ srcPitch = t->image[0][0].width * texFormat->TexelBytes;
+ dstPitch = t->image[0][0].width * texFormat->TexelBytes;
+ break;
+ case 2:
+ blit_format = R200_CP_COLOR_FORMAT_RGB565;
+ srcPitch = t->image[0][0].width * texFormat->TexelBytes;
+ dstPitch = t->image[0][0].width * texFormat->TexelBytes;
+ break;
+ case 4:
+ blit_format = R200_CP_COLOR_FORMAT_ARGB8888;
+ srcPitch = t->image[0][0].width * texFormat->TexelBytes;
+ dstPitch = t->image[0][0].width * texFormat->TexelBytes;
+ break;
+ default:
+ return;
+ }
+
+ t->image[0][hwlevel].data = texImage->Data;
+ srcOffset = r300GartOffsetFromVirtual(rmesa, texImage->Data);
+
+ assert(srcOffset != ~0);
+
+ /* Don't currently need to cope with small pitches?
+ */
+ width = texImage->Width;
+ height = texImage->Height;
+
+ r300EmitWait(rmesa, RADEON_WAIT_3D);
+
+ r300EmitBlit(rmesa, blit_format,
+ srcPitch,
+ srcOffset,
+ dstPitch,
+ t->bufAddr,
+ x,
+ y,
+ t->image[0][hwlevel].x + x,
+ t->image[0][hwlevel].y + y, width, height);
+
+ r300EmitWait(rmesa, RADEON_WAIT_2D);
+}
+
+static void r300UploadRectSubImage(r300ContextPtr rmesa,
+ r300TexObjPtr t,
+ struct gl_texture_image *texImage,
+ GLint x, GLint y, GLint width, GLint height)
+{
+ const struct gl_texture_format *texFormat = texImage->TexFormat;
+ int blit_format, dstPitch, done;
+
+ switch (texFormat->TexelBytes) {
+ case 1:
+ blit_format = R200_CP_COLOR_FORMAT_CI8;
+ break;
+ case 2:
+ blit_format = R200_CP_COLOR_FORMAT_RGB565;
+ break;
+ case 4:
+ blit_format = R200_CP_COLOR_FORMAT_ARGB8888;
+ break;
+ default:
+ return;
+ }
+
+ t->image[0][0].data = texImage->Data;
+
+ /* Currently don't need to cope with small pitches.
+ */
+ width = texImage->Width;
+ height = texImage->Height;
+ dstPitch = t->pitch + 32;
+
+ if (rmesa->prefer_gart_client_texturing && texImage->IsClientData) {
+ /* In this case, could also use GART texturing. This is
+ * currently disabled, but has been tested & works.
+ */
+ t->offset =
+ r300GartOffsetFromVirtual(rmesa, texImage->Data);
+ t->pitch =
+ texImage->RowStride * texFormat->TexelBytes - 32;
+
+ if (RADEON_DEBUG & DEBUG_TEXTURE)
+ fprintf(stderr,
+ "Using GART texturing for rectangular client texture\n");
+
+ /* Release FB memory allocated for this image:
+ */
+ /* FIXME This may not be correct as driSwapOutTextureObject sets
+ * FIXME dirty_images. It may be fine, though.
+ */
+ if (t->base.memBlock) {
+ driSwapOutTextureObject((driTextureObject *) t);
+ }
+ } else if (texImage->IsClientData) {
+ /* Data already in GART memory, with usable pitch.
+ */
+ GLuint srcPitch;
+ srcPitch = texImage->RowStride * texFormat->TexelBytes;
+ r300EmitBlit(rmesa,
+ blit_format,
+ srcPitch,
+ r300GartOffsetFromVirtual(rmesa, texImage->Data),
+ dstPitch, t->bufAddr, 0, 0, 0, 0, width, height);
+ } else {
+ /* Data not in GART memory, or bad pitch.
+ */
+ for (done = 0; done < height;) {
+ struct r300_dma_region region;
+ int lines =
+ MIN2(height - done, RADEON_BUFFER_SIZE / dstPitch);
+ int src_pitch;
+ char *tex;
+
+ src_pitch = texImage->RowStride * texFormat->TexelBytes;
+
+ tex = (char *)texImage->Data + done * src_pitch;
+
+ memset(&region, 0, sizeof(region));
+ r300AllocDmaRegion(rmesa, &region, lines * dstPitch,
+ 1024);
+
+ /* Copy texdata to dma:
+ */
+ if (0)
+ fprintf(stderr,
+ "%s: src_pitch %d dst_pitch %d\n",
+ __FUNCTION__, src_pitch, dstPitch);
+
+ if (src_pitch == dstPitch) {
+ memcpy(region.address + region.start, tex,
+ lines * src_pitch);
+ } else {
+ char *buf = region.address + region.start;
+ int i;
+ for (i = 0; i < lines; i++) {
+ memcpy(buf, tex, src_pitch);
+ buf += dstPitch;
+ tex += src_pitch;
+ }
+ }
+
+ r300EmitWait(rmesa, RADEON_WAIT_3D);
+
+ /* Blit to framebuffer
+ */
+ r300EmitBlit(rmesa,
+ blit_format,
+ dstPitch, GET_START(&region),
+ dstPitch, t->bufAddr,
+ 0, 0, 0, done, width, lines);
+
+ r300EmitWait(rmesa, RADEON_WAIT_2D);
+
+ r300ReleaseDmaRegion(rmesa, &region, __FUNCTION__);
+ done += lines;
+ }
+ }
+}
+
+/**
+ * Upload the texture image associated with texture \a t at the specified
+ * level at the address relative to \a start.
+ */
+static void uploadSubImage(r300ContextPtr rmesa, r300TexObjPtr t,
+ GLint hwlevel,
+ GLint x, GLint y, GLint width, GLint height,
+ GLuint face)
+{
+ struct gl_texture_image *texImage = NULL;
+ GLuint offset;
+ GLint imageWidth, imageHeight;
+ GLint ret;
+ drm_radeon_texture_t tex;
+ drm_radeon_tex_image_t tmp;
+ const int level = hwlevel + t->base.firstLevel;
+
+ if (RADEON_DEBUG & DEBUG_TEXTURE) {
+ fprintf(stderr,
+ "%s( %p, %p ) level/width/height/face = %d/%d/%d/%u\n",
+ __FUNCTION__, (void *)t, (void *)t->base.tObj, level,
+ width, height, face);
+ }
+
+ ASSERT(face < 6);
+
+ /* Ensure we have a valid texture to upload */
+ if ((hwlevel < 0) || (hwlevel >= RADEON_MAX_TEXTURE_LEVELS)) {
+ _mesa_problem(NULL, "bad texture level in %s", __FUNCTION__);
+ return;
+ }
+
+ texImage = t->base.tObj->Image[face][level];
+
+ if (!texImage) {
+ if (RADEON_DEBUG & DEBUG_TEXTURE)
+ fprintf(stderr, "%s: texImage %d is NULL!\n",
+ __FUNCTION__, level);
+ return;
+ }
+ if (!texImage->Data) {
+ if (RADEON_DEBUG & DEBUG_TEXTURE)
+ fprintf(stderr, "%s: image data is NULL!\n",
+ __FUNCTION__);
+ return;
+ }
+
+ if (t->base.tObj->Target == GL_TEXTURE_RECTANGLE_NV) {
+ assert(level == 0);
+ assert(hwlevel == 0);
+ if (RADEON_DEBUG & DEBUG_TEXTURE)
+ fprintf(stderr, "%s: image data is rectangular\n",
+ __FUNCTION__);
+ r300UploadRectSubImage(rmesa, t, texImage, x, y, width, height);
+ return;
+ } else if (texImage->IsClientData) {
+ if (RADEON_DEBUG & DEBUG_TEXTURE)
+ fprintf(stderr,
+ "%s: image data is in GART client storage\n",
+ __FUNCTION__);
+ r300UploadGARTClientSubImage(rmesa, t, texImage, hwlevel, x, y,
+ width, height);
+ return;
+ } else if (RADEON_DEBUG & DEBUG_TEXTURE)
+ fprintf(stderr, "%s: image data is in normal memory\n",
+ __FUNCTION__);
+
+ imageWidth = texImage->Width;
+ imageHeight = texImage->Height;
+
+ offset = t->bufAddr;
+
+ if (RADEON_DEBUG & (DEBUG_TEXTURE | DEBUG_IOCTL)) {
+ GLint imageX = 0;
+ GLint imageY = 0;
+ GLint blitX = t->image[face][hwlevel].x;
+ GLint blitY = t->image[face][hwlevel].y;
+ GLint blitWidth = t->image[face][hwlevel].width;
+ GLint blitHeight = t->image[face][hwlevel].height;
+ fprintf(stderr, " upload image: %d,%d at %d,%d\n",
+ imageWidth, imageHeight, imageX, imageY);
+ fprintf(stderr, " upload blit: %d,%d at %d,%d\n",
+ blitWidth, blitHeight, blitX, blitY);
+ fprintf(stderr, " blit ofs: 0x%07x level: %d/%d\n",
+ (GLuint) offset, hwlevel, level);
+ }
+
+ t->image[face][hwlevel].data = texImage->Data;
+
+ /* Init the DRM_RADEON_TEXTURE command / drm_radeon_texture_t struct.
+ * NOTE: we're always use a 1KB-wide blit and I8 texture format.
+ * We used to use 1, 2 and 4-byte texels and used to use the texture
+ * width to dictate the blit width - but that won't work for compressed
+ * textures. (Brian)
+ */
+ tex.offset = offset;
+ tex.pitch = BLIT_WIDTH_BYTES / 64;
+ tex.format = R200_TXFORMAT_I8; /* any 1-byte texel format */
+ if (texImage->TexFormat->TexelBytes) {
+ tex.width = imageWidth * texImage->TexFormat->TexelBytes; /* in bytes */
+ tex.height = imageHeight;
+ } else {
+ tex.width = imageWidth; /* compressed */
+ tex.height = imageHeight;
+ if (tex.height < 4)
+ tex.height = 4;
+ }
+ tex.image = &tmp;
+
+ /* copy (x,y,width,height,data) */
+ memcpy(&tmp, &t->image[face][hwlevel], sizeof(tmp));
+
+ LOCK_HARDWARE(&rmesa->radeon);
+ do {
+ ret = drmCommandWriteRead(rmesa->radeon.dri.fd, DRM_RADEON_TEXTURE,
+ &tex, sizeof(drm_radeon_texture_t));
+ if (ret) {
+ if (RADEON_DEBUG & DEBUG_IOCTL)
+ fprintf(stderr,
+ "DRM_RADEON_TEXTURE: again!\n");
+ usleep(1);
+ }
+ } while (ret && errno == EAGAIN);
+
+ UNLOCK_HARDWARE(&rmesa->radeon);
+
+ if (ret) {
+ fprintf(stderr, "DRM_RADEON_TEXTURE: return = %d\n", ret);
+ fprintf(stderr, " offset=0x%08x\n", offset);
+ fprintf(stderr, " image width=%d height=%d\n",
+ imageWidth, imageHeight);
+ fprintf(stderr, " blit width=%d height=%d data=%p\n",
+ t->image[face][hwlevel].width,
+ t->image[face][hwlevel].height,
+ t->image[face][hwlevel].data);
+ exit(1);
+ }
+}
+
+/**
+ * Upload the texture images associated with texture \a t. This might
+ * require the allocation of texture memory.
+ *
+ * \param rmesa Context pointer
+ * \param t Texture to be uploaded
+ * \param face Cube map face to be uploaded. Zero for non-cube maps.
+ */
+
+int r300UploadTexImages(r300ContextPtr rmesa, r300TexObjPtr t, GLuint face)
+{
+ const int numLevels = t->base.lastLevel - t->base.firstLevel + 1;
+
+ if (RADEON_DEBUG & (DEBUG_TEXTURE | DEBUG_IOCTL)) {
+ fprintf(stderr, "%s( %p, %p ) sz=%d lvls=%d-%d\n", __FUNCTION__,
+ (void *)rmesa->radeon.glCtx, (void *)t->base.tObj,
+ t->base.totalSize, t->base.firstLevel,
+ t->base.lastLevel);
+ }
+
+ if (!t || t->base.totalSize == 0)
+ return 0;
+
+ if (RADEON_DEBUG & DEBUG_SYNC) {
+ fprintf(stderr, "%s: Syncing\n", __FUNCTION__);
+ radeonFinish(rmesa->radeon.glCtx);
+ }
+
+ LOCK_HARDWARE(&rmesa->radeon);
+
+ if (t->base.memBlock == NULL) {
+ int heap;
+
+ heap = driAllocateTexture(rmesa->texture_heaps, rmesa->nr_heaps,
+ (driTextureObject *) t);
+ if (heap == -1) {
+ UNLOCK_HARDWARE(&rmesa->radeon);
+ return -1;
+ }
+
+ /* Set the base offset of the texture image */
+ t->bufAddr = rmesa->radeon.radeonScreen->texOffset[heap]
+ + t->base.memBlock->ofs;
+ t->offset = t->bufAddr;
+
+ /* Mark this texobj as dirty on all units:
+ */
+ t->dirty_state = TEX_ALL;
+ }
+
+ /* Let the world know we've used this memory recently.
+ */
+ driUpdateTextureLRU((driTextureObject *) t);
+ UNLOCK_HARDWARE(&rmesa->radeon);
+
+ /* Upload any images that are new */
+ if (t->base.dirty_images[face]) {
+ int i;
+ for (i = 0; i < numLevels; i++) {
+ if ((t->base.
+ dirty_images[face] & (1 <<
+ (i + t->base.firstLevel))) !=
+ 0) {
+ uploadSubImage(rmesa, t, i, 0, 0,
+ t->image[face][i].width,
+ t->image[face][i].height, face);
+ }
+ }
+ t->base.dirty_images[face] = 0;
+ }
+
+ if (RADEON_DEBUG & DEBUG_SYNC) {
+ fprintf(stderr, "%s: Syncing\n", __FUNCTION__);
+ radeonFinish(rmesa->radeon.glCtx);
+ }
+
+ return 0;
+}
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