/**************************************************************************
*
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2003 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE 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 "main/imports.h"
#include "main/macros.h"
#include "main/colormac.h"
+#include "main/renderbuffer.h"
+#include "main/framebuffer.h"
+#include "tnl/tnl.h"
#include "tnl/t_context.h"
#include "tnl/t_vertex.h"
+#include "swrast_setup/swrast_setup.h"
#include "intel_batchbuffer.h"
+#include "intel_mipmap_tree.h"
#include "intel_regions.h"
#include "intel_tris.h"
#include "intel_fbo.h"
+#include "intel_buffers.h"
#include "i915_reg.h"
#include "i915_context.h"
/* Pull apart the vertex format registers and figure out how large a
* vertex is supposed to be.
*/
-static GLboolean
+static bool
i915_check_vertex_size(struct intel_context *intel, GLuint expected)
{
struct i915_context *i915 = i915_context(&intel->ctx);
break;
default:
fprintf(stderr, "bad texcoord fmt %d\n", i);
- return GL_FALSE;
+ return false;
}
lis2 >>= S2_TEXCOORD_FMT1_SHIFT;
}
#define emit(intel, state, size ) \
- intel_batchbuffer_data(intel, state, size, false)
+ intel_batchbuffer_data(intel, state, size)
static GLuint
get_dirty(struct i915_hw_state *state)
if (dirty & I915_UPLOAD_STIPPLE)
sz += sizeof(state->Stipple);
- if (dirty & I915_UPLOAD_FOG)
- sz += sizeof(state->Fog);
-
if (dirty & I915_UPLOAD_TEX_ALL) {
int nr = 0;
for (i = 0; i < I915_TEX_UNITS; i++)
* batchbuffer fills up.
*/
intel_batchbuffer_require_space(intel,
- get_state_size(state) + INTEL_PRIM_EMIT_SIZE,
- false);
+ get_state_size(state) +
+ INTEL_PRIM_EMIT_SIZE);
count = 0;
again:
if (intel->batch.bo == NULL) {
aper_array[aper_count++] = intel->batch.bo;
if (dirty & I915_UPLOAD_BUFFERS) {
- aper_array[aper_count++] = state->draw_region->buffer;
+ if (state->draw_region)
+ aper_array[aper_count++] = state->draw_region->bo;
if (state->depth_region)
- aper_array[aper_count++] = state->depth_region->buffer;
+ aper_array[aper_count++] = state->depth_region->bo;
}
if (dirty & I915_UPLOAD_TEX_ALL) {
if (INTEL_DEBUG & DEBUG_STATE)
fprintf(stderr, "I915_UPLOAD_BUFFERS:\n");
- count = 14;
+ count = 17;
if (state->Buffer[I915_DESTREG_DRAWRECT0] != MI_NOOP)
count++;
- if (state->depth_region)
- count += 3;
BEGIN_BATCH(count);
OUT_BATCH(state->Buffer[I915_DESTREG_CBUFADDR0]);
OUT_BATCH(state->Buffer[I915_DESTREG_CBUFADDR1]);
- OUT_RELOC(state->draw_region->buffer,
- I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);
+ if (state->draw_region) {
+ OUT_RELOC(state->draw_region->bo,
+ I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);
+ } else {
+ OUT_BATCH(0);
+ }
+ OUT_BATCH(state->Buffer[I915_DESTREG_DBUFADDR0]);
+ OUT_BATCH(state->Buffer[I915_DESTREG_DBUFADDR1]);
if (state->depth_region) {
- OUT_BATCH(state->Buffer[I915_DESTREG_DBUFADDR0]);
- OUT_BATCH(state->Buffer[I915_DESTREG_DBUFADDR1]);
- OUT_RELOC(state->depth_region->buffer,
+ OUT_RELOC(state->depth_region->bo,
I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);
+ } else {
+ OUT_BATCH(0);
}
OUT_BATCH(state->Buffer[I915_DESTREG_DV0]);
emit(intel, state->Stipple, sizeof(state->Stipple));
}
- if (dirty & I915_UPLOAD_FOG) {
- if (INTEL_DEBUG & DEBUG_STATE)
- fprintf(stderr, "I915_UPLOAD_FOG:\n");
- emit(intel, state->Fog, sizeof(state->Fog));
- }
-
/* Combine all the dirty texture state into a single command to
* avoid lockups on I915 hardware.
*/
state[1] = buffer_id;
if (region != NULL) {
- state[1] |= BUF_3D_PITCH(region->pitch * region->cpp);
+ state[1] |= BUF_3D_PITCH(region->pitch);
if (region->tiling != I915_TILING_NONE) {
state[1] |= BUF_3D_TILED_SURFACE;
if (region->tiling == I915_TILING_Y)
state[1] |= BUF_3D_TILE_WALK_Y;
}
+ } else {
+ /* Fill in a default pitch, since 0 is invalid. We'll be
+ * setting the buffer offset to 0 and not referencing the
+ * buffer, so the pitch could really be any valid value.
+ */
+ state[1] |= BUF_3D_PITCH(4096);
}
}
static uint32_t i915_render_target_format_for_mesa_format[MESA_FORMAT_COUNT] =
{
- [MESA_FORMAT_ARGB8888] = DV_PF_8888,
- [MESA_FORMAT_XRGB8888] = DV_PF_8888,
+ [MESA_FORMAT_B8G8R8A8_UNORM] = DV_PF_8888,
+ [MESA_FORMAT_B8G8R8X8_UNORM] = DV_PF_8888,
[MESA_FORMAT_RGB565] = DV_PF_565 | DITHER_FULL_ALWAYS,
[MESA_FORMAT_ARGB1555] = DV_PF_1555 | DITHER_FULL_ALWAYS,
[MESA_FORMAT_ARGB4444] = DV_PF_4444 | DITHER_FULL_ALWAYS,
};
static bool
-i915_render_target_supported(gl_format format)
+i915_render_target_supported(struct intel_context *intel,
+ struct gl_renderbuffer *rb)
{
+ mesa_format format = rb->Format;
+
if (format == MESA_FORMAT_S8_Z24 ||
format == MESA_FORMAT_X8_Z24 ||
- format == MESA_FORMAT_Z16) {
+ format == MESA_FORMAT_Z_UNORM16) {
return true;
}
struct gl_context *ctx = &intel->ctx;
struct gl_renderbuffer *rb = ctx->DrawBuffer->_ColorDrawBuffers[0];
struct intel_renderbuffer *irb = intel_renderbuffer(rb);
+ struct gl_renderbuffer *drb;
+ struct intel_renderbuffer *idrb = NULL;
GLuint value;
struct i915_hw_state *state = &i915->state;
uint32_t draw_x, draw_y, draw_offset;
if (state->draw_region != color_regions[0]) {
- intel_region_release(&state->draw_region);
intel_region_reference(&state->draw_region, color_regions[0]);
}
if (state->depth_region != depth_region) {
- intel_region_release(&state->depth_region);
intel_region_reference(&state->depth_region, depth_region);
}
DSTORG_VERT_BIAS(0x8) | /* .5 */
LOD_PRECLAMP_OGL | TEX_DEFAULT_COLOR_OGL);
if (irb != NULL) {
- value |= i915_render_target_format_for_mesa_format[irb->Base.Format];
+ value |= i915_render_target_format_for_mesa_format[intel_rb_format(irb)];
+ } else {
+ value |= DV_PF_8888;
}
/* This isn't quite safe, thus being hidden behind an option. When changing
}
state->Buffer[I915_DESTREG_DV1] = value;
+ drb = ctx->DrawBuffer->Attachment[BUFFER_DEPTH].Renderbuffer;
+ if (!drb)
+ drb = ctx->DrawBuffer->Attachment[BUFFER_STENCIL].Renderbuffer;
+
+ if (drb)
+ idrb = intel_renderbuffer(drb);
+
/* We set up the drawing rectangle to be offset into the color
* region's location in the miptree. If it doesn't match with
* depth's offsets, we can't render to it.
* can't do in general due to tiling)
*/
FALLBACK(intel, I915_FALLBACK_DRAW_OFFSET,
- (depth_region && color_regions[0]) &&
- (depth_region->draw_x != color_regions[0]->draw_x ||
- depth_region->draw_y != color_regions[0]->draw_y));
-
- if (color_regions[0]) {
- draw_x = color_regions[0]->draw_x;
- draw_y = color_regions[0]->draw_y;
- } else if (depth_region) {
- draw_x = depth_region->draw_x;
- draw_y = depth_region->draw_y;
+ idrb && irb && (idrb->draw_x != irb->draw_x ||
+ idrb->draw_y != irb->draw_y));
+
+ if (irb) {
+ draw_x = irb->draw_x;
+ draw_y = irb->draw_y;
+ } else if (idrb) {
+ draw_x = idrb->draw_x;
+ draw_y = idrb->draw_y;
} else {
draw_x = 0;
draw_y = 0;
draw_offset = (draw_y << 16) | draw_x;
+ FALLBACK(intel, I915_FALLBACK_DRAW_OFFSET,
+ (ctx->DrawBuffer->Width + draw_x > 2048) ||
+ (ctx->DrawBuffer->Height + draw_y > 2048));
/* When changing drawing rectangle offset, an MI_FLUSH is first required. */
if (draw_offset != i915->last_draw_offset) {
- FALLBACK(intel, I915_FALLBACK_DRAW_OFFSET,
- (ctx->DrawBuffer->Width + draw_x > 2048) ||
- (ctx->DrawBuffer->Height + draw_y > 2048));
-
state->Buffer[I915_DESTREG_DRAWRECT0] = MI_FLUSH | INHIBIT_FLUSH_RENDER_CACHE;
i915->last_draw_offset = draw_offset;
} else
I915_STATECHANGE(i915, I915_UPLOAD_BUFFERS);
}
+static void
+i915_update_color_write_enable(struct i915_context *i915, bool enable)
+{
+ uint32_t dw = i915->state.Ctx[I915_CTXREG_LIS6];
+ if (enable)
+ dw |= S6_COLOR_WRITE_ENABLE;
+ else
+ dw &= ~S6_COLOR_WRITE_ENABLE;
+ if (dw != i915->state.Ctx[I915_CTXREG_LIS6]) {
+ I915_STATECHANGE(i915, I915_UPLOAD_CTX);
+ i915->state.Ctx[I915_CTXREG_LIS6] = dw;
+ }
+}
+/**
+ * Update the hardware state for drawing into a window or framebuffer object.
+ *
+ * Called by glDrawBuffer, glBindFramebufferEXT, MakeCurrent, and other
+ * places within the driver.
+ *
+ * Basically, this needs to be called any time the current framebuffer
+ * changes, the renderbuffers change, or we need to draw into different
+ * color buffers.
+ */
+static void
+i915_update_draw_buffer(struct intel_context *intel)
+{
+ struct i915_context *i915 = (struct i915_context *)intel;
+ struct gl_context *ctx = &intel->ctx;
+ struct gl_framebuffer *fb = ctx->DrawBuffer;
+ struct intel_region *colorRegion = NULL, *depthRegion = NULL;
+ struct intel_renderbuffer *irbDepth = NULL, *irbStencil = NULL;
+
+ if (!fb) {
+ /* this can happen during the initial context initialization */
+ return;
+ }
+
+ irbDepth = intel_get_renderbuffer(fb, BUFFER_DEPTH);
+ irbStencil = intel_get_renderbuffer(fb, BUFFER_STENCIL);
+
+ /* Do this here, not core Mesa, since this function is called from
+ * many places within the driver.
+ */
+ if (ctx->NewState & _NEW_BUFFERS) {
+ /* this updates the DrawBuffer->_NumColorDrawBuffers fields, etc */
+ _mesa_update_framebuffer(ctx);
+ /* this updates the DrawBuffer's Width/Height if it's a FBO */
+ _mesa_update_draw_buffer_bounds(ctx);
+ }
+
+ if (fb->_Status != GL_FRAMEBUFFER_COMPLETE_EXT) {
+ /* this may occur when we're called by glBindFrameBuffer() during
+ * the process of someone setting up renderbuffers, etc.
+ */
+ /*_mesa_debug(ctx, "DrawBuffer: incomplete user FBO\n");*/
+ return;
+ }
+
+ /* How many color buffers are we drawing into?
+ *
+ * If there is more than one drawbuffer (GL_FRONT_AND_BACK), or the
+ * drawbuffers are too big, we have to fallback to software.
+ */
+ if ((fb->Width > ctx->Const.MaxRenderbufferSize)
+ || (fb->Height > ctx->Const.MaxRenderbufferSize)) {
+ FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, true);
+ } else if (fb->_NumColorDrawBuffers > 1) {
+ FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, true);
+ } else {
+ struct intel_renderbuffer *irb;
+ irb = intel_renderbuffer(fb->_ColorDrawBuffers[0]);
+ colorRegion = (irb && irb->mt) ? irb->mt->region : NULL;
+ FALLBACK(intel, INTEL_FALLBACK_DRAW_BUFFER, false);
+ }
+
+ /* Check for depth fallback. */
+ if (irbDepth && irbDepth->mt) {
+ FALLBACK(intel, INTEL_FALLBACK_DEPTH_BUFFER, false);
+ depthRegion = irbDepth->mt->region;
+ } else if (irbDepth && !irbDepth->mt) {
+ FALLBACK(intel, INTEL_FALLBACK_DEPTH_BUFFER, true);
+ depthRegion = NULL;
+ } else { /* !irbDepth */
+ /* No fallback is needed because there is no depth buffer. */
+ FALLBACK(intel, INTEL_FALLBACK_DEPTH_BUFFER, false);
+ depthRegion = NULL;
+ }
+
+ /* Check for stencil fallback. */
+ if (irbStencil && irbStencil->mt) {
+ assert(intel_rb_format(irbStencil) == MESA_FORMAT_S8_Z24);
+ FALLBACK(intel, INTEL_FALLBACK_STENCIL_BUFFER, false);
+ } else if (irbStencil && !irbStencil->mt) {
+ FALLBACK(intel, INTEL_FALLBACK_STENCIL_BUFFER, true);
+ } else { /* !irbStencil */
+ /* No fallback is needed because there is no stencil buffer. */
+ FALLBACK(intel, INTEL_FALLBACK_STENCIL_BUFFER, false);
+ }
+
+ /* If we have a (packed) stencil buffer attached but no depth buffer,
+ * we still need to set up the shared depth/stencil state so we can use it.
+ */
+ if (depthRegion == NULL && irbStencil && irbStencil->mt
+ && intel_rb_format(irbStencil) == MESA_FORMAT_S8_Z24) {
+ depthRegion = irbStencil->mt->region;
+ }
+
+ /*
+ * Update depth and stencil test state
+ */
+ ctx->Driver.Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test);
+ ctx->Driver.Enable(ctx, GL_STENCIL_TEST, ctx->Stencil.Enabled);
+
+ i915_update_color_write_enable(i915, colorRegion != NULL);
+
+ intel->vtbl.set_draw_region(intel, &colorRegion, depthRegion,
+ fb->_NumColorDrawBuffers);
+ intel->NewGLState |= _NEW_BUFFERS;
+
+ /* Set state we know depends on drawable parameters:
+ */
+ intelCalcViewport(ctx);
+ ctx->Driver.Scissor(ctx);
+
+ /* Update culling direction which changes depending on the
+ * orientation of the buffer:
+ */
+ ctx->Driver.FrontFace(ctx, ctx->Polygon.FrontFace);
+}
static void
i915_new_batch(struct intel_context *intel)
(void) dirty;
}
+static void
+i915_invalidate_state(struct intel_context *intel, GLuint new_state)
+{
+ struct gl_context *ctx = &intel->ctx;
+
+ _swsetup_InvalidateState(ctx, new_state);
+ _tnl_InvalidateState(ctx, new_state);
+ _tnl_invalidate_vertex_state(ctx, new_state);
+}
+
void
i915InitVtbl(struct i915_context *i915)
{
i915->intel.vtbl.render_start = i915_render_start;
i915->intel.vtbl.render_prevalidate = i915_render_prevalidate;
i915->intel.vtbl.set_draw_region = i915_set_draw_region;
+ i915->intel.vtbl.update_draw_buffer = i915_update_draw_buffer;
i915->intel.vtbl.update_texture_state = i915UpdateTextureState;
i915->intel.vtbl.assert_not_dirty = i915_assert_not_dirty;
i915->intel.vtbl.finish_batch = intel_finish_vb;
+ i915->intel.vtbl.invalidate_state = i915_invalidate_state;
i915->intel.vtbl.render_target_supported = i915_render_target_supported;
}