mirror of
https://github.com/pspdev/pspsdk.git
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b1bf44e88a
- Adding assertions to each specific sceGu function - Also adding printf for verbose output
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
/*
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* PSP Software Development Kit - https://github.com/pspdev
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* -----------------------------------------------------------------------
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* Licensed under the BSD license, see LICENSE in PSPSDK root for details.
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*
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* Copyright (c) 2005 Jesper Svennevid
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*/
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#include "guInternal.h"
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void sceGuDepthRange(int near, int far)
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{
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#ifdef GU_DEBUG
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printf("sceGuDepthRange(%d, %d);\n", near, far);
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assert(gu_init && "GU not initialized");
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assert(near >= 0 && near <= 65535 && "Invalid near plane");
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assert(far >= 0 && far <= 65535 && "Invalid far plane");
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#endif
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GuContext *context = &gu_contexts[gu_curr_context];
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unsigned int max = (unsigned int)near + (unsigned int)far;
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int val = (int)((max >> 31) + max);
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float z = (float)(val >> 1);
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context->near_plane = near;
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context->far_plane = far;
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sendCommandf(VIEWPORT_Z_SCALE, z - ((float)near));
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sendCommandf(VIEWPORT_Z_CENTER, z + ((float)context->depth_offset));
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if (near > far)
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{
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int temp = near;
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near = far;
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far = temp;
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}
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sendCommandi(MIN_Z, near);
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sendCommandi(MAX_Z, far);
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}
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