From 41b58954e1742493452b91d9ecdb761db5de3bed Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Thu, 10 Jun 2004 12:48:07 +0000 Subject: New driver for i915 as well as older i830/i845/i865 chipsets. --- src/mesa/drivers/dri/i915/i915_metaops.c | 494 +++++++++++++++++++++++++++++++ 1 file changed, 494 insertions(+) create mode 100644 src/mesa/drivers/dri/i915/i915_metaops.c (limited to 'src/mesa/drivers/dri/i915/i915_metaops.c') diff --git a/src/mesa/drivers/dri/i915/i915_metaops.c b/src/mesa/drivers/dri/i915/i915_metaops.c new file mode 100644 index 0000000000..4c620cbe50 --- /dev/null +++ b/src/mesa/drivers/dri/i915/i915_metaops.c @@ -0,0 +1,494 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + **************************************************************************/ + +#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 "i915_context.h" +#include "i915_reg.h" + +/* A large amount of state doesn't need to be uploaded. + */ +#define ACTIVE (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)<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, + GLuint textureFormat ) +{ + GLuint unit = 0; + GLint numLevels = 1; + GLuint *state = i915->meta.Tex[0]; + + pitch *= i915->intel.intelScreen->cpp; + +/* 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) | + MS4_CUBE_FACE_ENA_MASK | + ((((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<meta.emitted &= ~I915_UPLOAD_TEX(0); +} + + +/* Select between front and back draw buffers. + */ +static void set_draw_offset( i915ContextPtr i915, + GLuint offset ) +{ + i915->meta.Buffer[I915_DESTREG_CBUFADDR2] = offset; + i915->meta.emitted &= ~I915_UPLOAD_BUFFERS; +} + +/* 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]); */ +} + +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]; +} + +void +i915ClearWithTris(intelContextPtr intel, GLbitfield mask, + GLboolean all, + GLint cx, GLint cy, GLint cw, GLint ch) +{ + i915ContextPtr i915 = I915_CONTEXT( intel ); + __DRIdrawablePrivate *dPriv = intel->driDrawable; + intelScreenPrivate *screen = intel->intelScreen; + int x0, y0, x1, y1; + + SET_STATE( i915, meta ); + set_initial_state( i915 ); + set_no_texture( i915 ); + set_vertex_format( i915 ); + + LOCK_HARDWARE(intel); + + 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 (mask & DD_FRONT_LEFT_BIT) { + set_no_depth_stencil_write( i915 ); + set_color_mask( i915, GL_TRUE ); + set_draw_offset( i915, screen->frontOffset ); + + draw_quad(i915, x0, x1, y0, y1, + intel->clear_red, intel->clear_green, + intel->clear_blue, intel->clear_alpha, + 0, 0, 0, 0); + } + + if(mask & DD_BACK_LEFT_BIT) { + set_no_depth_stencil_write( i915 ); + set_color_mask( i915, GL_TRUE ); + set_draw_offset( i915, screen->backOffset ); + + draw_quad(i915, x0, x1, y0, y1, + intel->clear_red, intel->clear_green, + intel->clear_blue, intel->clear_alpha, + 0, 0, 0, 0); + } + + if(mask & DD_STENCIL_BIT) { + set_stencil_replace( i915, + intel->ctx.Stencil.WriteMask[0], + intel->ctx.Stencil.Clear); + + set_color_mask( i915, GL_FALSE ); + set_draw_offset( i915, screen->frontOffset ); /* 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 ); +} + + -- cgit v1.2.3