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path: root/src/mesa/drivers/dri/i915/i915_metaops.c
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Diffstat (limited to 'src/mesa/drivers/dri/i915/i915_metaops.c')
-rw-r--r--src/mesa/drivers/dri/i915/i915_metaops.c711
1 files changed, 0 insertions, 711 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_metaops.c b/src/mesa/drivers/dri/i915/i915_metaops.c
deleted file mode 100644
index 1be7ac4c48..0000000000
--- a/src/mesa/drivers/dri/i915/i915_metaops.c
+++ /dev/null
@@ -1,711 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, 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 TUNGSTEN 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 "glheader.h"
-#include "enums.h"
-#include "mtypes.h"
-#include "macros.h"
-#include "utils.h"
-
-#include "intel_screen.h"
-#include "intel_batchbuffer.h"
-#include "intel_ioctl.h"
-#include "intel_rotate.h"
-
-#include "i915_context.h"
-#include "i915_reg.h"
-
-/* A large amount of state doesn't need to be uploaded.
- */
-#define ACTIVE (I915_UPLOAD_INVARIENT | \
- I915_UPLOAD_PROGRAM | \
- I915_UPLOAD_STIPPLE | \
- I915_UPLOAD_CTX | \
- I915_UPLOAD_BUFFERS | \
- I915_UPLOAD_TEX(0))
-
-#define SET_STATE( i915, STATE ) \
-do { \
- i915->current->emitted &= ~ACTIVE; \
- i915->current = &i915->STATE; \
- i915->current->emitted &= ~ACTIVE; \
-} while (0)
-
-/* Operations where the 3D engine is decoupled temporarily from the
- * current GL state and used for other purposes than simply rendering
- * incoming triangles.
- */
-static void set_initial_state( i915ContextPtr i915 )
-{
- memcpy(&i915->meta, &i915->initial, sizeof(i915->meta) );
- i915->meta.active = ACTIVE;
- i915->meta.emitted = 0;
-}
-
-
-static void set_no_depth_stencil_write( i915ContextPtr i915 )
-{
- /* ctx->Driver.Enable( ctx, GL_STENCIL_TEST, GL_FALSE )
- */
- i915->meta.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_TEST_ENABLE |
- S5_STENCIL_WRITE_ENABLE);
-
- /* ctx->Driver.Enable( ctx, GL_DEPTH_TEST, GL_FALSE )
- */
- i915->meta.Ctx[I915_CTXREG_LIS6] &= ~(S6_DEPTH_TEST_ENABLE |
- S6_DEPTH_WRITE_ENABLE);
-
- i915->meta.emitted &= ~I915_UPLOAD_CTX;
-}
-
-/* Set stencil unit to replace always with the reference value.
- */
-static void set_stencil_replace( i915ContextPtr i915,
- GLuint s_mask,
- GLuint s_clear)
-{
- GLuint op = STENCILOP_REPLACE;
- GLuint func = COMPAREFUNC_ALWAYS;
-
- /* ctx->Driver.Enable( ctx, GL_STENCIL_TEST, GL_TRUE )
- */
- i915->meta.Ctx[I915_CTXREG_LIS5] |= (S5_STENCIL_TEST_ENABLE |
- S5_STENCIL_WRITE_ENABLE);
-
-
- /* ctx->Driver.Enable( ctx, GL_DEPTH_TEST, GL_FALSE )
- */
- i915->meta.Ctx[I915_CTXREG_LIS6] &= ~(S6_DEPTH_TEST_ENABLE |
- S6_DEPTH_WRITE_ENABLE);
-
-
- /* ctx->Driver.StencilMask( ctx, s_mask )
- */
- i915->meta.Ctx[I915_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_WRITE_MASK;
-
- i915->meta.Ctx[I915_CTXREG_STATE4] |= (ENABLE_STENCIL_WRITE_MASK |
- STENCIL_WRITE_MASK(s_mask));
-
-
- /* ctx->Driver.StencilOp( ctx, GL_REPLACE, GL_REPLACE, GL_REPLACE )
- */
- i915->meta.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_FAIL_MASK |
- S5_STENCIL_PASS_Z_FAIL_MASK |
- S5_STENCIL_PASS_Z_PASS_MASK);
-
- i915->meta.Ctx[I915_CTXREG_LIS5] |= ((op << S5_STENCIL_FAIL_SHIFT) |
- (op << S5_STENCIL_PASS_Z_FAIL_SHIFT) |
- (op << S5_STENCIL_PASS_Z_PASS_SHIFT));
-
-
- /* ctx->Driver.StencilFunc( ctx, GL_ALWAYS, s_ref, ~0 )
- */
- i915->meta.Ctx[I915_CTXREG_STATE4] &= ~MODE4_ENABLE_STENCIL_TEST_MASK;
- i915->meta.Ctx[I915_CTXREG_STATE4] |= (ENABLE_STENCIL_TEST_MASK |
- STENCIL_TEST_MASK(0xff));
-
- i915->meta.Ctx[I915_CTXREG_LIS5] &= ~(S5_STENCIL_REF_MASK |
- S5_STENCIL_TEST_FUNC_MASK);
-
- i915->meta.Ctx[I915_CTXREG_LIS5] |= ((s_clear << S5_STENCIL_REF_SHIFT) |
- (func << S5_STENCIL_TEST_FUNC_SHIFT));
-
-
- i915->meta.emitted &= ~I915_UPLOAD_CTX;
-}
-
-
-static void set_color_mask( i915ContextPtr i915, GLboolean state )
-{
- const GLuint mask = (S5_WRITEDISABLE_RED |
- S5_WRITEDISABLE_GREEN |
- S5_WRITEDISABLE_BLUE |
- S5_WRITEDISABLE_ALPHA);
-
- /* Copy colormask state from "regular" hw context.
- */
- if (state) {
- i915->meta.Ctx[I915_CTXREG_LIS5] &= ~mask;
- i915->meta.Ctx[I915_CTXREG_LIS5] |=
- (i915->state.Ctx[I915_CTXREG_LIS5] & mask);
- }
- else
- i915->meta.Ctx[I915_CTXREG_LIS5] |= mask;
-
- i915->meta.emitted &= ~I915_UPLOAD_CTX;
-}
-
-
-
-
-#define REG( type, nr ) (((type)<<5)|(nr))
-
-#define REG_R(x) REG(REG_TYPE_R, x)
-#define REG_T(x) REG(REG_TYPE_T, x)
-#define REG_CONST(x) REG(REG_TYPE_CONST, x)
-#define REG_S(x) REG(REG_TYPE_S, x)
-#define REG_OC REG(REG_TYPE_OC, 0)
-#define REG_OD REG(REG_TYPE_OD, 0)
-#define REG_U(x) REG(REG_TYPE_U, x)
-
-#define REG_T_DIFFUSE REG(REG_TYPE_T, T_DIFFUSE)
-#define REG_T_SPECULAR REG(REG_TYPE_T, T_SPECULAR)
-#define REG_T_FOG_W REG(REG_TYPE_T, T_FOG_W)
-#define REG_T_TEX(x) REG(REG_TYPE_T, x)
-
-
-#define A0_DEST_REG( reg ) ( (reg) << A0_DEST_NR_SHIFT )
-#define A0_SRC0_REG( reg ) ( (reg) << A0_SRC0_NR_SHIFT )
-#define A1_SRC1_REG( reg ) ( (reg) << A1_SRC1_NR_SHIFT )
-#define A1_SRC2_REG( reg ) ( (reg) << A1_SRC2_NR_SHIFT )
-#define A2_SRC2_REG( reg ) ( (reg) << A2_SRC2_NR_SHIFT )
-#define D0_DECL_REG( reg ) ( (reg) << D0_NR_SHIFT )
-#define T0_DEST_REG( reg ) ( (reg) << T0_DEST_NR_SHIFT )
-
-#define T0_SAMPLER( unit ) ((unit)<<T0_SAMPLER_NR_SHIFT)
-
-#define T1_ADDRESS_REG( type, nr ) (((type)<<T1_ADDRESS_REG_TYPE_SHIFT)| \
- ((nr)<<T1_ADDRESS_REG_NR_SHIFT))
-
-
-#define A1_SRC0_XYZW ((SRC_X << A1_SRC0_CHANNEL_X_SHIFT) | \
- (SRC_Y << A1_SRC0_CHANNEL_Y_SHIFT) | \
- (SRC_Z << A1_SRC0_CHANNEL_Z_SHIFT) | \
- (SRC_W << A1_SRC0_CHANNEL_W_SHIFT))
-
-#define A1_SRC1_XY ((SRC_X << A1_SRC1_CHANNEL_X_SHIFT) | \
- (SRC_Y << A1_SRC1_CHANNEL_Y_SHIFT))
-
-#define A2_SRC1_ZW ((SRC_Z << A2_SRC1_CHANNEL_Z_SHIFT) | \
- (SRC_W << A2_SRC1_CHANNEL_W_SHIFT))
-
-#define A2_SRC2_XYZW ((SRC_X << A2_SRC2_CHANNEL_X_SHIFT) | \
- (SRC_Y << A2_SRC2_CHANNEL_Y_SHIFT) | \
- (SRC_Z << A2_SRC2_CHANNEL_Z_SHIFT) | \
- (SRC_W << A2_SRC2_CHANNEL_W_SHIFT))
-
-
-
-
-
-static void set_no_texture( i915ContextPtr i915 )
-{
- static const GLuint prog[] = {
- _3DSTATE_PIXEL_SHADER_PROGRAM,
-
- /* Declare incoming diffuse color:
- */
- (D0_DCL |
- D0_DECL_REG( REG_T_DIFFUSE ) |
- D0_CHANNEL_ALL),
- D1_MBZ,
- D2_MBZ,
-
- /* output-color = mov(t_diffuse)
- */
- (A0_MOV |
- A0_DEST_REG( REG_OC ) |
- A0_DEST_CHANNEL_ALL |
- A0_SRC0_REG( REG_T_DIFFUSE )),
- (A1_SRC0_XYZW),
- 0,
- };
-
-
- memcpy( i915->meta.Program, prog, sizeof(prog) );
- i915->meta.ProgramSize = sizeof(prog) / sizeof(*prog);
- i915->meta.Program[0] |= i915->meta.ProgramSize - 2;
- i915->meta.emitted &= ~I915_UPLOAD_PROGRAM;
-}
-
-
-static void enable_texture_blend_replace( i915ContextPtr i915 )
-{
- static const GLuint prog[] = {
- _3DSTATE_PIXEL_SHADER_PROGRAM,
-
- /* Declare the sampler:
- */
- (D0_DCL |
- D0_DECL_REG( REG_S(0) ) |
- D0_SAMPLE_TYPE_2D |
- D0_CHANNEL_NONE),
- D1_MBZ,
- D2_MBZ,
-
- /* Declare the interpolated texture coordinate:
- */
- (D0_DCL |
- D0_DECL_REG( REG_T_TEX(0) ) |
- D0_CHANNEL_ALL),
- D1_MBZ,
- D2_MBZ,
-
- /* output-color = texld(sample0, texcoord0)
- */
- (T0_TEXLD |
- T0_DEST_REG( REG_OC ) |
- T0_SAMPLER( 0 )),
- T1_ADDRESS_REG(REG_TYPE_T, 0),
- T2_MBZ
- };
-
- memcpy( i915->meta.Program, prog, sizeof(prog) );
- i915->meta.ProgramSize = sizeof(prog) / sizeof(*prog);
- i915->meta.Program[0] |= i915->meta.ProgramSize - 2;
- i915->meta.emitted &= ~I915_UPLOAD_PROGRAM;
-}
-
-
-
-
-
-/* Set up an arbitary piece of memory as a rectangular texture
- * (including the front or back buffer).
- */
-static void set_tex_rect_source( i915ContextPtr i915,
- GLuint offset,
- GLuint width,
- GLuint height,
- GLuint pitch, /* in bytes! */
- GLuint textureFormat )
-{
- GLuint unit = 0;
- GLint numLevels = 1;
- GLuint *state = i915->meta.Tex[0];
-
-#if 0
- printf("TexRect source offset 0x%x pitch %d\n", offset, pitch);
-#endif
-
-/* fprintf(stderr, "%s: offset: %x w: %d h: %d pitch %d format %x\n", */
-/* __FUNCTION__, offset, width, height, pitch, textureFormat ); */
-
- state[I915_TEXREG_MS2] = offset;
- state[I915_TEXREG_MS3] = (((height - 1) << MS3_HEIGHT_SHIFT) |
- ((width - 1) << MS3_WIDTH_SHIFT) |
- textureFormat |
- MS3_USE_FENCE_REGS);
-
- state[I915_TEXREG_MS4] = ((((pitch / 4) - 1) << MS4_PITCH_SHIFT) |
- ((((numLevels-1) * 4)) << MS4_MAX_LOD_SHIFT));
-
- state[I915_TEXREG_SS2] = ((FILTER_NEAREST << SS2_MIN_FILTER_SHIFT) |
- (MIPFILTER_NONE << SS2_MIP_FILTER_SHIFT) |
- (FILTER_NEAREST << SS2_MAG_FILTER_SHIFT));
- state[I915_TEXREG_SS3] = ((TEXCOORDMODE_WRAP << SS3_TCX_ADDR_MODE_SHIFT) |
- (TEXCOORDMODE_WRAP << SS3_TCY_ADDR_MODE_SHIFT) |
- (TEXCOORDMODE_WRAP << SS3_TCZ_ADDR_MODE_SHIFT) |
- (unit<<SS3_TEXTUREMAP_INDEX_SHIFT));
-
- state[I915_TEXREG_SS4] = 0;
-
- i915->meta.emitted &= ~I915_UPLOAD_TEX(0);
-}
-
-
-/* Select between front and back draw buffers.
- */
-static void set_draw_region( i915ContextPtr i915, const intelRegion *region )
-{
-#if 0
- printf("Rotate into region: offset 0x%x pitch %d\n",
- region->offset, region->pitch);
-#endif
- i915->meta.Buffer[I915_DESTREG_CBUFADDR1] =
- (BUF_3D_ID_COLOR_BACK | BUF_3D_PITCH(region->pitch) | BUF_3D_USE_FENCE);
- i915->meta.Buffer[I915_DESTREG_CBUFADDR2] = region->offset;
- i915->meta.emitted &= ~I915_UPLOAD_BUFFERS;
-}
-
-
-#if 0
-/* Setup an arbitary draw format, useful for targeting texture or agp
- * memory.
- */
-static void set_draw_format( i915ContextPtr i915,
- GLuint format,
- GLuint depth_format)
-{
- i915->meta.Buffer[I915_DESTREG_DV1] = (DSTORG_HORT_BIAS(0x8) | /* .5 */
- DSTORG_VERT_BIAS(0x8) | /* .5 */
- format |
- LOD_PRECLAMP_OGL |
- TEX_DEFAULT_COLOR_OGL |
- depth_format);
-
- i915->meta.emitted &= ~I915_UPLOAD_BUFFERS;
-/* fprintf(stderr, "%s: DV1: %x\n", */
-/* __FUNCTION__, i915->meta.Buffer[I915_DESTREG_DV1]); */
-}
-#endif
-
-static void set_vertex_format( i915ContextPtr i915 )
-{
- i915->meta.Ctx[I915_CTXREG_LIS2] =
- (S2_TEXCOORD_FMT(0, TEXCOORDFMT_2D) |
- S2_TEXCOORD_FMT(1, TEXCOORDFMT_NOT_PRESENT) |
- S2_TEXCOORD_FMT(2, TEXCOORDFMT_NOT_PRESENT) |
- S2_TEXCOORD_FMT(3, TEXCOORDFMT_NOT_PRESENT) |
- S2_TEXCOORD_FMT(4, TEXCOORDFMT_NOT_PRESENT) |
- S2_TEXCOORD_FMT(5, TEXCOORDFMT_NOT_PRESENT) |
- S2_TEXCOORD_FMT(6, TEXCOORDFMT_NOT_PRESENT) |
- S2_TEXCOORD_FMT(7, TEXCOORDFMT_NOT_PRESENT));
-
- i915->meta.Ctx[I915_CTXREG_LIS4] &= ~S4_VFMT_MASK;
-
- i915->meta.Ctx[I915_CTXREG_LIS4] |=
- (S4_VFMT_COLOR |
- S4_VFMT_SPEC_FOG |
- S4_VFMT_XYZW);
-
- i915->meta.emitted &= ~I915_UPLOAD_CTX;
-
-}
-
-
-static void draw_quad(i915ContextPtr i915,
- GLfloat x0, GLfloat x1,
- GLfloat y0, GLfloat y1,
- GLubyte red, GLubyte green,
- GLubyte blue, GLubyte alpha,
- GLfloat s0, GLfloat s1,
- GLfloat t0, GLfloat t1 )
-{
- GLuint vertex_size = 8;
- GLuint *vb = intelEmitInlinePrimitiveLocked( &i915->intel,
- PRIM3D_TRIFAN,
- 4 * vertex_size,
- vertex_size );
- intelVertex tmp;
- int i;
-
- if (0)
- fprintf(stderr, "%s: %f,%f-%f,%f 0x%x%x%x%x %f,%f-%f,%f\n",
- __FUNCTION__,
- x0,y0,x1,y1,red,green,blue,alpha,s0,t0,s1,t1);
-
-
- /* initial vertex, left bottom */
- tmp.v.x = x0;
- tmp.v.y = y0;
- tmp.v.z = 1.0;
- tmp.v.w = 1.0;
- tmp.v.color.red = red;
- tmp.v.color.green = green;
- tmp.v.color.blue = blue;
- tmp.v.color.alpha = alpha;
- tmp.v.specular.red = 0;
- tmp.v.specular.green = 0;
- tmp.v.specular.blue = 0;
- tmp.v.specular.alpha = 0;
- tmp.v.u0 = s0;
- tmp.v.v0 = t0;
-
- for (i = 0 ; i < vertex_size ; i++)
- vb[i] = tmp.ui[i];
-
- /* right bottom */
- vb += vertex_size;
- tmp.v.x = x1;
- tmp.v.u0 = s1;
- for (i = 0 ; i < vertex_size ; i++)
- vb[i] = tmp.ui[i];
-
- /* right top */
- vb += vertex_size;
- tmp.v.y = y1;
- tmp.v.v0 = t1;
- for (i = 0 ; i < vertex_size ; i++)
- vb[i] = tmp.ui[i];
-
- /* left top */
- vb += vertex_size;
- tmp.v.x = x0;
- tmp.v.u0 = s0;
- for (i = 0 ; i < vertex_size ; i++)
- vb[i] = tmp.ui[i];
-}
-
-
-static void draw_poly(i915ContextPtr i915,
- GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha,
- GLuint numVerts,
- /*const*/ GLfloat verts[][2],
- /*const*/ GLfloat texcoords[][2])
-{
- GLuint vertex_size = 8;
- GLuint *vb = intelEmitInlinePrimitiveLocked( &i915->intel,
- PRIM3D_TRIFAN,
- numVerts * vertex_size,
- vertex_size );
- intelVertex tmp;
- int i, k;
-
- /* initial constant vertex fields */
- tmp.v.z = 1.0;
- tmp.v.w = 1.0;
- tmp.v.color.red = red;
- tmp.v.color.green = green;
- tmp.v.color.blue = blue;
- tmp.v.color.alpha = alpha;
- tmp.v.specular.red = 0;
- tmp.v.specular.green = 0;
- tmp.v.specular.blue = 0;
- tmp.v.specular.alpha = 0;
-
- for (k = 0; k < numVerts; k++) {
- tmp.v.x = verts[k][0];
- tmp.v.y = verts[k][1];
- tmp.v.u0 = texcoords[k][0];
- tmp.v.v0 = texcoords[k][1];
-
- for (i = 0 ; i < vertex_size ; i++)
- vb[i] = tmp.ui[i];
-
- vb += vertex_size;
- }
-}
-
-
-void
-i915ClearWithTris(intelContextPtr intel, GLbitfield buffers,
- GLboolean allFoo,
- GLint cxFoo, GLint cyFoo, GLint cwFoo, GLint chFoo)
-{
- i915ContextPtr i915 = I915_CONTEXT( intel );
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- intelScreenPrivate *screen = intel->intelScreen;
- int x0, y0, x1, y1;
- GLint cx, cy, cw, ch;
- GLboolean all;
-
- SET_STATE( i915, meta );
- set_initial_state( i915 );
- set_no_texture( i915 );
- set_vertex_format( i915 );
-
- LOCK_HARDWARE(intel);
-
- /* get clear bounds after locking */
- cx = intel->ctx.DrawBuffer->_Xmin;
- cy = intel->ctx.DrawBuffer->_Ymin;
- cw = intel->ctx.DrawBuffer->_Xmax - cx;
- ch = intel->ctx.DrawBuffer->_Ymax - cy;
- all = (cw == intel->ctx.DrawBuffer->Width &&
- ch == intel->ctx.DrawBuffer->Height);
-
- if (!all) {
- x0 = cx;
- y0 = cy;
- x1 = x0 + cw;
- y1 = y0 + ch;
- } else {
- x0 = 0;
- y0 = 0;
- x1 = x0 + dPriv->w;
- y1 = y0 + dPriv->h;
- }
-
- /* Don't do any clipping to screen - these are window coordinates.
- * The active cliprects will be applied as for any other geometry.
- */
-
- if (buffers & BUFFER_BIT_FRONT_LEFT) {
- set_no_depth_stencil_write( i915 );
- set_color_mask( i915, GL_TRUE );
- set_draw_region( i915, &screen->front );
-
- draw_quad(i915, x0, x1, y0, y1,
- intel->clear_red, intel->clear_green,
- intel->clear_blue, intel->clear_alpha,
- 0, 0, 0, 0);
- }
-
- if (buffers & BUFFER_BIT_BACK_LEFT) {
- set_no_depth_stencil_write( i915 );
- set_color_mask( i915, GL_TRUE );
- set_draw_region( i915, &screen->back );
-
- draw_quad(i915, x0, x1, y0, y1,
- intel->clear_red, intel->clear_green,
- intel->clear_blue, intel->clear_alpha,
- 0, 0, 0, 0);
- }
-
- if (buffers & BUFFER_BIT_STENCIL) {
- set_stencil_replace( i915,
- intel->ctx.Stencil.WriteMask[0],
- intel->ctx.Stencil.Clear);
-
- set_color_mask( i915, GL_FALSE );
- set_draw_region( i915, &screen->front ); /* could be either? */
-
- draw_quad( i915, x0, x1, y0, y1, 0, 0, 0, 0, 0, 0, 0, 0 );
- }
-
- UNLOCK_HARDWARE(intel);
-
- SET_STATE( i915, state );
-}
-
-
-/**
- * Copy the window contents named by dPriv to the rotated (or reflected)
- * color buffer.
- * srcBuf is BUFFER_BIT_FRONT_LEFT or BUFFER_BIT_BACK_LEFT to indicate the source.
- */
-void
-i915RotateWindow(intelContextPtr intel, __DRIdrawablePrivate *dPriv,
- GLuint srcBuf)
-{
- i915ContextPtr i915 = I915_CONTEXT( intel );
- intelScreenPrivate *screen = intel->intelScreen;
- const GLuint cpp = screen->cpp;
- drm_clip_rect_t fullRect;
- GLuint textureFormat, srcOffset, srcPitch;
- const drm_clip_rect_t *clipRects;
- int numClipRects;
- int i;
-
- int xOrig, yOrig;
- int origNumClipRects;
- drm_clip_rect_t *origRects;
-
- /*
- * set up hardware state
- */
- intelFlush( &intel->ctx );
-
- SET_STATE( i915, meta );
- set_initial_state( i915 );
- set_no_texture( i915 );
- set_vertex_format( i915 );
- set_no_depth_stencil_write( i915 );
- set_color_mask( i915, GL_TRUE );
-
- LOCK_HARDWARE(intel);
-
- /* save current drawing origin and cliprects (restored at end) */
- xOrig = intel->drawX;
- yOrig = intel->drawY;
- origNumClipRects = intel->numClipRects;
- origRects = intel->pClipRects;
-
- if (!intel->numClipRects)
- goto done;
-
- /*
- * set drawing origin, cliprects for full-screen access to rotated screen
- */
- fullRect.x1 = 0;
- fullRect.y1 = 0;
- fullRect.x2 = screen->rotatedWidth;
- fullRect.y2 = screen->rotatedHeight;
- intel->drawX = 0;
- intel->drawY = 0;
- intel->numClipRects = 1;
- intel->pClipRects = &fullRect;
-
- set_draw_region( i915, &screen->rotated );
-
- if (cpp == 4)
- textureFormat = MAPSURF_32BIT | MT_32BIT_ARGB8888;
- else
- textureFormat = MAPSURF_16BIT | MT_16BIT_RGB565;
-
- if (srcBuf == BUFFER_BIT_FRONT_LEFT) {
- srcPitch = screen->front.pitch; /* in bytes */
- srcOffset = screen->front.offset; /* bytes */
- clipRects = dPriv->pClipRects;
- numClipRects = dPriv->numClipRects;
- }
- else {
- srcPitch = screen->back.pitch; /* in bytes */
- srcOffset = screen->back.offset; /* bytes */
- clipRects = dPriv->pBackClipRects;
- numClipRects = dPriv->numBackClipRects;
- }
-
- /* set the whole screen up as a texture to avoid alignment issues */
- set_tex_rect_source(i915,
- srcOffset,
- screen->width,
- screen->height,
- srcPitch,
- textureFormat);
-
- enable_texture_blend_replace(i915);
-
- /*
- * loop over the source window's cliprects
- */
- for (i = 0; i < numClipRects; i++) {
- int srcX0 = clipRects[i].x1;
- int srcY0 = clipRects[i].y1;
- int srcX1 = clipRects[i].x2;
- int srcY1 = clipRects[i].y2;
- GLfloat verts[4][2], tex[4][2];
- int j;
-
- /* build vertices for four corners of clip rect */
- verts[0][0] = srcX0; verts[0][1] = srcY0;
- verts[1][0] = srcX1; verts[1][1] = srcY0;
- verts[2][0] = srcX1; verts[2][1] = srcY1;
- verts[3][0] = srcX0; verts[3][1] = srcY1;
-
- /* .. and texcoords */
- tex[0][0] = srcX0; tex[0][1] = srcY0;
- tex[1][0] = srcX1; tex[1][1] = srcY0;
- tex[2][0] = srcX1; tex[2][1] = srcY1;
- tex[3][0] = srcX0; tex[3][1] = srcY1;
-
- /* transform coords to rotated screen coords */
- for (j = 0; j < 4; j++) {
- matrix23TransformCoordf(&screen->rotMatrix,
- &verts[j][0], &verts[j][1]);
- }
-
- /* draw polygon to map source image to dest region */
- draw_poly(i915, 255, 255, 255, 255, 4, verts, tex);
-
- } /* cliprect loop */
-
- intelFlushBatchLocked( intel, GL_FALSE, GL_FALSE, GL_FALSE );
-
- done:
- /* restore original drawing origin and cliprects */
- intel->drawX = xOrig;
- intel->drawY = yOrig;
- intel->numClipRects = origNumClipRects;
- intel->pClipRects = origRects;
-
- UNLOCK_HARDWARE(intel);
-
- SET_STATE( i915, state );
-}
-
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-08 20:51:23 +0000